MT186e - V1.2 en

Teaching material MT 186

Assembly and and Maintenance Exercise: Gear Pump

11/2008

MT 186

8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

ASSEMBLY ASSEMBL Y AND MAINTENANCE EXERCISE: EXERCISE: GEAR PUMP

Teaching material +ipl#,-ng# .laus,(rgen adte

+ipl#,Ge*gr# +ipl#,Ge*gr# $ta ine

)ersi*n 1#2

3ub4ect t* tecnical alternati*ns

i

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MT 186


Table *5 *ntents 1

-ntr -ntr*d *duc ucti ti*n *n # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 1

2

Tecn* ecn*l*g l*gica icall princ principl iples es *5 *5 pumps pumps # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 7

2#1 lassi5icati*n and categ*risati*n *5 pump types based *n *perating principle # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #  2#2 +esigns +esigns and *perating *perating cara caracteris cteristics# tics# # # # # # # # # # # # # # # # # # # # # # # # # 9 2#7 G$%T Practice Practice ine ine its its and teir usage usage # # # # # # # # # # # # # # # # # # # # # # 8 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

2#

perating caracteristics *5 pumps pumps # # # # # # # # # # # # # # # # # # # # # # # # # # 19

2##1

Pump and system caracteristics # # # # # # # # # # # # # # # # # # # # # 19

2##2

perating p*int # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 1;

2##7

Alterati*n *5 te *perating p*int by restricti*n and !ariati*n !ariati*n *5 speed # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 18

2## perating caracteristics *5 multiple interacting pumps # # # # 20 2##9 2##9 7 27

-ntae -ntae carac caracter terist istics ics *5 pump pumps s # # # # # # # # # # # # # # # # # # # # # # 21 21

'asi 'asics cs *5 pump pump mai maint nten enan ance ce # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #

7#1

+e5initi*n Maintenance # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 27 7#2 eas*ns eas*ns 5*r 5*r maintenan maintenance ce # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 2 7#7 +etecti*n +etecti*n *5 5aults # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 29 29 7# ecing ecing pumps pumps and replaci replacing ng c*mm*n c*mm*n 7#6 3utd*
3tatic seals # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 7

3a5t 3a5t and and pist pist*n *n r*d r*d sea seals ls # # # # # # # # # # # # # # # # # # # # # # # # # # 76 7#;#7 )al!es # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 7

7#;#

3pare parts *rdering # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 

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


Tecnic ecnical al desc descrip ripti* ti*n n Gear Gear pump pump # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 6 #1 +escripti*n# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 6 #2 M*de *5 *5 *perati*n *perati*n # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 6 #7 ay*ut ay*ut # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 8 8 # Tecnical data # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # > #9 Gear pump dimensi*ns # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # >


#6 3pare parts dra
Asse Assemb mbly ly and and dism disman antl tlin ing g Gear Gear pum pump p # # # # # # # # # # # # # # # # # # # # # # # # # # # 92 9#1

Gear pump assembly # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 92 9#1#1

Assembly stage 1 ? 'earing 'earing 5lange" cl*sed @assembly @assembly unit 1 # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 97

9#1#2 Assembly Assembly stage 2 ? B*using @assembly unit 2 # # # # # # # # # # 99 9#1#7 9#1#7 9#1#

Assemb Assembly ly stage stage 7 ? 'earin 'earing g 5lange 5lange"" sa5t sa5t @ass @assem embly bly unit unit 7 7 9; Assembly stage  ? +ri!en sa5t @assembly @assembly unit  # # # # # # # 9>

9#1#9 9#1#9

Assemb Assembly ly stag stage e 9 ? +ri!e +ri!e sa5 sa5tt @asse @assembl mbly y unit unit 9 # # # # # # # # 61

9#1#6 9#1#6

Assemb Assembly ly stag stage e 6 ? B*usin B*using g # # # # # # # # # # # # # # # # # # # # # # # # 67

9#1#;

Assembly stage ; ? Cl*ating ring seal # # # # # # # # # # # # # # # # # 68 9#2 +ismantling te gear pump # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # ;7 9#2#1

+ismantling assembly stage ; ? Cl*ating ring seal# # # # # # # # ;7

9#2#2

+ismantling assembly stage 6 ? B*using # # # # # # # # # # # # # # # ;

9#2#7 9#2#7

+isman +ismantlin tling g assem assembly bly stage stage 9 ? +ri!e +ri!e sa5t# sa5t# # # # # # # # # # # # # ;9 ;9

9#2# 9#2#

+isman +ismantlin tling g assem assembly bly stage stage  ? +ri!e +ri!en n sa5t sa5t## # # # # # # # # # # # ;9

9#2#9

+ismantling assembly stage 7 ? 'earing 5lange" sa5t sa5t # # # # # ;6

9#2#6

+ismantling assembly stage 2 ? B*using # # # # # # # # # # # # # # # ;6

9#2#; 9#2#;

+isman +ismantlin tling g assem assembly bly stage stage 1 ? 'earin 'earing g 5lange 5lange"" cl*sed cl*sed # # # ;;

iii

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6 6#1


Tass ass # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # ;8 =*rseet 1" page 1: -ntr*ducti*n t* te gear pump # # # # # # # # # # # # 81 6#2 =*rseet 2" page 1: +esign" 5uncti*n and applicati*ns *5 gear pump # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 87 causes *5 5aults # # # # # # # # # # # # # # # 89 6#7 =*rseet 7" page 1: -denti5ying causes systems # # # # # # # # # # # # # # # # # # # # # # # 86 6# =*rseet " page 1: 3ealing systems -nspecti*n *5 pumps # # # # # # # # # # # # # # # # # # # # 88 6#9 =*rseet 9" page 1: -nspecti*n


6#6 =*rseet =*rseet 6" page page 1: 3er!icin 3er!icing g pumps# pumps# # # # # # # # # # # # # # # # # # # # # # # >0 6#; =*rseet ;" page 1: epair *5 pumps # # # # # # # # # # # # # # # # # # # # # # # >2 6#8 =*rseet =*rseet 8" page page 1: =earin =earing g parts *n gear gear pump pump # # # # # # # # # # # # # > 6#> =*rseet =*rseet >" page page 1: Assembling Assembling te gear gear pump# pump# # # # # # # # # # # # # # # >9 6#10 =*rseet 10" page 1: anging te 5l*ating ring seal# # # # # # # # # # # >> 6#11 =*rseet 11" page 1: Part identi5icati*n using spare parts dra
3*lu 3*luti ti*n *ns s # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 10 10 =*rseet 1" page 1: -ntr*ducti*n t* te gear pump # # # # # # # # # # # 10; ;#2 =*rseet 2" page 1: +esign" 5uncti*n and applicati*ns *5 gear pump # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 10> ;#7 =*rseet 7" page 1: -denti5ying causes *5 5aults # # # # # # # # # # # # # # 111 systems # # # # # # # # # # # # # # # # # # # # # # 112 112 ;# =*rseet " page 1: 3ealing systems -nspecti*n *5 pumps # # # # # # # # # # # # # # # # # # # 11 ;#9 =*rseet 9" page 1: -nspecti*n

;#6 =*rseet =*rseet 6" page page 1: 3er!icin 3er!icing g pumps# pumps# # # # # # # # # # # # # # # # # # # # # # 116 116 118 ;#; =*rseet ;" page 1: epair *5 pumps # # # # # # # # # # # # # # # # # # # # # # 118

;#8 =*rseet =*rseet 8" page page 1: =earin =earing g parts *n gear gear pump pump # # # # # # # # # # # # 120 ;#> =*rseet =*rseet >" page page 1: Assembling Assembling te gear gear pump# pump# # # # # # # # # # # # # # 121 121 ;#10 =*rseet 10" page 1: anging te 5l*ating ring seal# # # # # # # # # # 129

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MT 186


;#11 =*rseet 11" page 1: Part identi5icati*n using spare parts dra 8

-nde -ndex x # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 170 170

>

+ra< +ra

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MT 186

1


Introduction Te MT 186 practice 186 practice it 5*rms part *5 te G$%T learning c*ncept 5*r pump maintenance" <ic is designed t* aid educati*n and training at trade acad, emies and c*rp*rate training centres# A cl*se cl*se lin bet
=e *55er te 5*ll*
Pumps Code

Product

MT 180 180

Assem Assembly bly and and maint mainten enanc ance e exer exercis cise e , cen centri tri5ug 5ugal al pum pump p

MT 181 181

Assem Assembly bly and and mainte maintena nance nce exe exerci rcise se , multi, multi,sta stage ge centr centri5u i5ugal gal pum pump p

MT 182 182

Assem Assembly bly and and main mainten tenanc ance e exe exerci rcise se , scre scre< < pump pump

MT 187 187

Assem Assembly bly and and maint mainten enanc ance e exer exercis cise e , diapr diaprag agm m pum pump p

MT 18 18

Assem Assembly bly and and main mainten tenanc ance e exe exerci rcise se , pist pist*n *n pump pump

MT 189 189

Assem Assembly bly and and main mainten tenanc ance e exerci exercise se , in,li in,line ne centr centri5u i5ugal gal pump pump

MT 186 186

Assemb Assembly ly and and main mainten tenan ance ce exer exercis cise e - gear gear pump pump

Tab# 1#1

Pr*du Pr*duct ct rela relatin ting g t* t* pum pump p asse assembl mbly y and and maint mainten enanc ance e

Tis it includes a gear pump#

Gr*ups *5 t<* *r tree students <*ring
1 -ntr*ducti*n

1

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MT 186


Te 5*ll*
Tab# ab# 1#2 1#2

ear earning ning c*nt c*nten entt / Exer Exerci cise ses s

Te teacing material includes a tecnical descripti*n detailing te basics *5 pumps and dealing
=e !ery muc *pe y*u en4*y using tis G$%T assembly practice it" and
1 -ntr*ducti*n

2

11/2008

MT 186

"


Technological principles o# pumps Tis capter is designed t* pr*!ide basic in5*rmati*n 5*r te 5*ll*

Code

Product

MT 180 180

Asse Assemb mbly ly and and main mainte tena nanc nce e exer exerci cise se , cent centri ri5u 5uga gall pump pump

MT 181 181

Asse Assemb mbly ly and and main mainte tena nanc nce e exer exerci cise se , mult multi, i,st stag age e cent centri ri5u 5uga gall pump pump

MT 182

Asse Assem mbly and mainte inten nance nce exe exercise cise , scr scre< e< pum pump

MT 18 187

Asse Assem mbly and ma mainte inten nance nce ex exercise cise , dia diap prragm pum pump p

MT 18

Asse Assem mbly and ma mainte inten nance nce ex exercise cise , pis pist* t*n n pum pump p

MT 189 189

Asse Assemb mbly ly and and mai maint nten enan ance ce exer exerci cise se , in, in,li line ne cent centri ri5u 5uga gall pum pump p

MT 186

Asse Assem mbly and mainte inten nance nce exe exercise cise , ge gear pump ump

=ere!er liDuids are transp*rted" pr*duced *r reDuired t* be supplied" pumps are depl*yed# Te demands <ic tey must met !ary
2 Tecn*l*gical principles *5 pumps

7

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MT 186

"$1


Cla Classi# ssi#ic icat atio ion n an and cat categ ego orisa risati tio on o# o# pu pump types ypes bas based on op operat eratin ing g principle Pumps are 5luid,5l*< macines <ic dictate *< pr*cesses *perate , tat is t* say" tey ensure tat 5l*< taes place

Cluid,5l*< macines

Macines @Macine dri!es a 5l*
pumps @Medium c*n!eyed by displacement de!ice :scillating *tating

3el5,priming @+isplacement de!ice m*!es bac and 5*rt al*ng an axis

3el5,priming @+isplacement de!ice r*tates in te pump b*dy

Pist*n pumps +iapragm pumps

Cig# 2#1

Engines @Cl*
@A gyr* causes centri5ugal 5*rces t* act *n te medium %*rmally pr priming 3el5,priming

@%*t carrying gas" pump pumpiing 5r*m 5r*m l*< l*< le!el restricted

Gear pumps 3cre<

entri5ugal pumps Multi,stage

pumps

centri5ugal pumps -nline pumps

@arrying gas" pum pumping ping 5r*m 5r*m l*< l*< le!el p*ssible

3ide,cannel pumps

Pump types


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11/2008

MT 186

"$"


%esigns and operating characteristics

Te 5*ll*
Te piston pump inc*rp*rates pump inc*rp*rates an *scillating pist*n <ic is r*uted int* a cylinder# Te pist*n m*!es *n an axis# Te pump b*dy is bl*ced by intae and pressure !al!es# A str*e gear dri!es te pist*n" <ic enlarges *r reduces te pump camber *n e!ery str*e# 'y enlarging te pump camber" te pumped 5luid is dra

Te diaphragm pump c*ntains pump c*ntains an elast*mer diapragm <ic is clamped int* te pump *using# Te *scillati*n is trans5erred 5r*m te str*e gear t* te diapragm by
Te scre' pump c*nsists pump c*nsists *5 t<* *r m*re spindles

9

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MT 186


Te 5*ll*
Te centri#ugal pump c*ntains pump c*ntains a r*tating" encl*sed impeller
Te multi-stage centri#ugal pump pump is similar in design and acti*n t* te centri5ugal pump# Te di55erence is tat is 5eatures multiple impeller arranged in a r*< *n a sa5t#

Te pumped liDuid passes 5r*m te intae p*rt !ia te r*tating impeller tr*ug a 5ixed guide cannel t* te next impeller" and s* *n" until it reaces te deli!ery p*rt# Te multistage impeller lay*ut means te pump attains iger deli!ery eads#

Te inline centri#ugal pump is pump is similar in design and met*d *5 *perati*n t* te centri5ugal pump# -ts intae and deli!ery p*rts are al*ng *ne axis *

6

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MT 186


ter special centri#ugal pump designs

Te side-channel pump c*ntains pump c*ntains a r*tating starsaped *pen impeller
Te canned motor pump is pump is similar in design and acti*n t* te centri5ugal pump# -t is leaage,5ree" as it reDuires n* sa5t seal# Te dri!e *5 te canned m*t*r pump is l*cated practically inside te pump *using" and te pumped liDuid 5l*
Te magnetic clutch pump is pump is similar in design and acti*n t* te centri5ugal pump# -t is leaage,5ree and reDuires n* sa5t seal# Te magnetic clutc pump is dri!en by a n*n,c*ntact magnetic clutc# Te magnet *n te pump sa5t is inside te pump *using# -t is separated 5r*m te magnet *n te m*t*r sa5t by a tube#


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MT 186

"$(


)*+T Practice Line ,its and their usage

Te G$%T Practice ine its 5*r assembly and maintenance exercises include te 5*ll*

Cig# Cig# 2#2 2#2

T**l **lit it
Cig# Cig# 2#7 2#7

3ect 3ecti* i*na nall dra dra
entri5ugal pumps are in

8

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MT 186


MT 181 . Multi-stage centri#ugal pump


Cig# Cig# 2# 2#

T**l **lit it
Cig# Cig# 2#9 2#9

3ecti 3ecti*n *nal al dra
Te multi,stage centri5ugal pump is m*dular in design" and is used t* pump 5luid media at iger deli!ery pressures# -t is used in

>

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MT 186


MT 18" . /cre' pump


Cig# Cig# 2#6 2#6

T**l **lit it
Cig# Cig# 2#; 2#;

Expl Expl* *ded, ded,!i !ie< e< dra dra
3cre 3cre< < pump pumps s are are prim primar aril ily y used used t* trans transp* p*rt rt !isc !isc*u *us s medi media a suc suc as lubricat,ing *il" plant *il" glyc*ls and p*lymers# Teir applicati*ns include lubricati*n systems 5*r diesel engines and transmissi*ns" as

10

11/2008

MT 186


MT 18( . %iaphragm pump


Cig# Cig# 2#8 2#8

T**l **lit it
Cig# Cig# 2#> 2#>

3ect 3ecti* i*na nall dra< dra
+iapragm pumps are abs*lutely leaage,5ree and" pr*!ided appr*priate materials are selected" are particularly

11

11/2008

MT 186


MT 180 . Piston pump


Cig# Cig# 2#10 2#10

T**l **lit it
Cig# Cig# 2#1 2#11

+ra< +ra
Pist Pist*n *n pump pumps s are are used used prim primar arily ily t* tran transp sp*r *rtt 5luid 5luids s at ig ig deli! deli!er ery y pressures and l*< 5l*< rates# Typical applicati*ns include pumping drining

12

11/2008

MT 186


MT 18 . Inline centri#ugal pump


Cig# Cig# 2#12 2#12

T**l **lit it
Cig# Cig# 2#17 2#17

Expl* Expl*de ded, d,!ie !ie< < dra
-n,line centri5ugal pumps are a sub,categ*ry *5 centri5ugal pumps# -nline pumps are installed in straigt pipelines# Tey are reDuired in applicati*ns including

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11/2008

MT 186


MT 186 . )ear pump


Cig# Cig# 2#1 2#1

T**l **lit it
Cig# Cig# 2#19 2#19

Expl* Expl*ded ded,!i ,!ie< e< dra
Gear pumps are *5 te r*tating p*siti!e,displacement pump categ*ry" and are caracterised by pulsati*n,5ree deli!ery at *perating pressures up t* 0bar# Big,!isc*sity media suc as *ils" paints and adesi!es can be pumped#


1

11/2008

MT 186

"$0


2perating characteristics o# pumps

Al*ngside pre!enti!e maintenance" repair <*r 5*rms a ey part *5 general ser!ice *perati*ns# +amage t* pumps can be traced bac t* inc*rrect *per, ati*n in m*re tan 90 *5 cases# -t is ad!antage*us 5*r te assembly pers*nnel t* a!e basic n*
"$0$1 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

Pump and system characteristics

Te deli!ery capacity *5 a pump is indicated by te pump3s pump3s characteristic cur&e# cur&e# Te deli!ery rates are measured *n te test stand at te respecti!e deli!ery pressures# Te pump measurement data is depicted in te 5*rm *5 a caracteristic caracteristic cur!e# $sually $sually te deli&ery head is head is gi!en in place *5 te deli!, deli!,ery ery pressu pressure re @as a result result te carac caracter terist istic ic cur!es cur!es *5 centri centri5ug 5ugal al pumps are n*t dependent *n te density *5 te pumped liDuid# -n te case *5 centri5ugal pumps te dependency *5 te deli!ery rate *n te ead is mared: As te ead rises" ri ses" te deli!ery rate decreases signi5icantly# signi5icantly# 'y c*ntrast" te deli!ery rate *5 p*siti!e,displacement pumps remains !irtu, ally c*nstant as te ead rises# B d a e B

B d a e B

Cig# 2#16

+eli!ery F aracteristic cur!e 5*r a centri5ugal pump

Cig# 2#1;

+eli!ery F aracteristic cur!e 5*r

a p*siti!e,displacement pump

-n te case *5 p*siti!e,displacement pumps" it must be ensured tat te permis permissib sible le *pera *peratin ting g pressu pressure re is n*t exceed exceeded# ed# !er5l !er5l*< *< !al!es !al!es are 5reDuently used 5*r tis#


19

11/2008

MT 186


perat perati*n i*n *5 te p*siti! p*siti!e,d e,disp isplac lacem ement ent pump pump

Te system *perating data can lie
+eli!ery F Cig# Cig# 2#18 2#18

3yst 3ystem em car carac acte teri rist stic ic cur! cur!e e


16

11/2008

MT 186

"$0$"


2perating point

Te actual deli!ery data result 5r*m te interacti*n *5 te pump and te system# -5 te pump and system cur!es are pl*tted *n te same diagram" te p*int at <ic te cur!es intersect is te operating point# point#

B d a e B 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

1

B d a e B

1 +eli!ery F Cig# Cig# 2#1> 2#1>

per perat atin ing g p* p*int int @1 @1 *5 a n*rmally priming centri5ugal pump

+eli!ery F Cig# Cig# 2#20 2#20

pera perati ting ng p*in p*intt @1 @1 *5 a p*siti!e,displacement pump

3* i5 te *perating data d* n*t c*n5*rm t* te speci5icati*n" te tecnician s*uld 5irst cec and calculate te c*rrect *perati*n *5 te pump in te system# Tis s*uld be d*ne *n initial c*mmissi*ning and e!ery time te system is m*di5ied#


1;

11/2008

MT 186

"$0$(


Alteration o# the operating point by restriction and &ariation o# speed

-n practice" restriction is restriction is 5reDuently used t* set te desired deli!ery rate# Te 5l*< is restricted by partially cl*sing a !al!e *n te deli!ery side *5 te pump# Tis results in a ne< system cur!e

=ile te deli!ery rate decreases as te ead rises *n a centri5ugal pump" te deli!e deli!ery ry *5 a p*siti! p*siti!e,d e,disp isplac lacem ement ent pump pump remain remains s c*nst c*nstant ant as te pressure rises#

B d a e B

B d a e B

2

2

1

1 +eli!ery F Cig# 2#21

3i5t in *perating p*int 5r*m @1 t* @2 by restrict restricti*n i*n 5*r a n*rmally priming centri5ugal pump


+eli!ery F Cig# 2#22

3i5t in *perating p*int 5r*m

@1 t* @2 by restric restricti*n ti*n 5*r a p*siti!e,displacement pump

18

11/2008

MT 186


A c*mm*n met*d *5 si5ting te t e *perating p*int *5 a pump is t* &ary the speed# speed# Te speed is !aried by means *5 an ad4uster gear *r a 5reDuency in!erter# in!erter# Tis pr*duces a ne< pump caracteristic cur!e# Te diagrams s*< an increase in speed 5r*m n 1 t* n2 5*r b*t pump types @see Cig# 2#27 and Cig# 2#2# 2#2# -n te case *5 te centri5ugal pump" te pump cur!e m*!es up

-n b*t b*t diagra diagrams ms te *pera *peratin ting g p*int p*int si5ts si5ts up
B d a e B

B d a e B

n

2

n1

n2 n1

+eli!ery F Cig# 2#27

-n5luence *n te pump caracteristic caracteristic *5 a !ariati*n in speed 5*r a n*rmally priming centri5ugal pump


+eli!ery F Cig# 2#2

-n5luence *n te pump caracteristic *5 a !ariati*n in speed 5*r a p*siti!e, displacement pump

1>

11/2008

MT 186

"$0$0


2perating characteristics o# multiple interacting pumps

perati*n *5 multiple pumps simultane*usly in a system is Duite c*mm*n" and in many cases essential in *rder t* c*n5*rm t* extreme *perating speci,5icati*ns# -5 multiple pumps are c*n5igured in parallel" parallel" te deli!ery rate is increased# -5 pumps are c*n5igured in series @*ne series @*ne beind te *ter" te deli!ery eads are added t*geter#


Cig# 2#29

Parallel c*n5igurati*n

Cig# 2#26

3eries c*n5igurati*n

Te pump industry as made use *5 tese pr*perties and de!el*ped a number *5 designs acc*rdingly# Multi-#lo' pumps acie!e ig deli!ery rates" multi-stage rates" multi-stage pumps acie!e ig eads#

Cig# 2# 2#2;

Multi,5l*< pu pump" se secti*nal !ie< and deli!ery principle


Cig# 2# 2#28

Multiple,stage pump" secti*nal !ie< and deli!ery principle

20

11/2008

MT 186

"$0$


Inta,e characteristics o# pumps

Attenti*n must be paid t* te inta,e characteristics characteristics *5 te pumps# A distinc,ti*n is made bet
Cig# Cig# 2#2> 2#2>

-n5ee -n5eed d *5 a pump pump system system 5*r a n*rm n*rmall ally y primi priming ng pum pump p


21

11/2008

MT 186


3el5,priming pumps include side cannel pumps @see capter 2#2" page 9# Tey are capable *5 pumping gases# B*

Cig# Cig# 2#70 2#70

-nta -ntae e *5 *5 a pum pump p syste system m 5*r 5*r a sel5 sel5,pr ,primi iming ng pum pump p

M*st M*st p*siti! p*siti!e,d e,disp isplac laceme ement nt pumps pumps are sel5,p sel5,prim riming ing## Te displa displacem cement ent de!ice is able t* c*mpress te gas and displace it *ut *5 te pump b*dy# C*r tis t* appen" *

22

11/2008

MT 186

(


4asics o# pump maintenance

($1%e#inition Maintenance All pump *perat*rs s*uld maintain teir pumps in acc*rdance

MAI+T!+A+C! T2 %I+ (11

Inspection

/er&icing

5epairs

ec*rding and

Preser!ati*n *5 te

est*rati*n *5 te

assessment *5 te current actual status

speci5ied status

speci5ied status

Measurement"

leaning"

eplacement"

Testing" +iagn*sis

ubricati*n" Ad4ustment

*rrecti*n

=it te system

:nly
:nly
running and at stand still based *n inspecti*n instructi*ns

system st*pped acc*rding t* maintenance instructi*ns

st*pped" based *n speci5ic <*r *rder and a5ter care5ul preparati*n

Cig# 7#1

Maintenance

7 'asics *5 pump maintenance

27

11/2008

MT 186

($"


5easons #or maintenance Pumps are reDuired 5*r te *perati*ns *5 many manu5acturing systems# -5 te pumps are mal5uncti*ning" tere is a ris *5 pr*ducti*n *utages# Appr*priate maintenance is a ey 5act*r determining te pr*ducti!ity *5 *perati*ns# *mplete replacement *5 te pump is p*ssible in te e!ent *5 a de5ect" t*ug it is n*t al

•

•

Te c*st *5 purcasing a mid,sied industrial pump is c*nsiderable# Te annual c*st *5
t s * 

1 2

3er!ice li5e Cig# 7#2

T*tal c*st" c*mparis*n *5 replacement @1 and maintenance @2

Cig# 7#2 s*

2

11/2008

MT 186

($(


%etection o# #aults Many 5act*rs need t* be c*nsidered in *rder t* ensure *ptimised" tr*uble,5ree *perati*n *5 pumps# %e!erteless" 5aults
Te speci5icati*ns *5 te deli!ery medium need t* be c*nsidered in *rder t* ensure l*ng ser!ice li5e *5 te pumps# Te material durability *5 te pump c*mp*nents and seals must be ensured# Te design and c*nstruc,ti*n *5 te pump must be attuned t* te speci5ic pumping reDuirements#

•


•

•

M*st pumps are dri!en by electric m*t*rs# Attenti*n must be paid t* c*rrect dimensi*ning and selecti*n# -nc*rrect electrical c*nnecti*ns and setting te inc*rrect directi*n *5 r*tati*n are *5ten s*urces *5 5aults resulting in pr*ducti*n pr*blems# As a general rule applicable t* all pumps" lengty peri*ds *5 dry running s*uld be a!*ided" as tis <*uld substantially s*rten te ser!ice li!es *5 te sa5t seal" pist*n seal and !al!es# Te deli!ery medium pr*!ides additi*nal lubricati*n *5 t*se c*mp*nents# Tis principle is illustrated by te example *5 te 5l*ating ring seal in Cig# 7#7#

Cig# 7#7

Cl*ating ring seal
Tere must al

29

11/2008

MT 186


+uring inspection *5 inspection *5 te pump" cecs s*uld be made regularly <ile te pump is running t* ensure early detecti*n *5 5aults" 5*cussing in particular *n te 5*ll*
eaage

•

%*ise

•

3m**t running

•

Temperature

•

General c*nditi*n

Te reas*ns 5*r pump 5aults are many and !aried# 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

3ystem,related disturbances suc as pressure surges s*uld surges s*uld be a!*ided *r eliminated# -nc*rrectly s
Cig# Cig# 7# 7#

a!i a!ita tati ti* *n dam damag age e t* t* a pump pump impe impell ller er


26

11/2008

MT 186

($0


Chec,ing pumps and replacing common 'earing parts -n acc*rdance
4earings Te *perating instructi*ns speci5y tat te lubricant s*uld be canged *n pumps
M*dern,day greased bearings are li5etime,lubricated" and merely need t* be ceced 5*r sm**t running#

/ha#t seals Pacing glands and 5l*ating ring seals are ceced 5*r leas and
Couplings Pumps c*upled t* teir dri!es by 5lexible c*uplings s*uld be ceced 5*r 5lus c*upling# Te p*

2;

11/2008

MT 186


Pump internals Te pumps s*uld be *pened and teir internals ceced 5*r
Pump internals

3a5t seal

20 'earing*upling

Cig# Cig# 7#9 7#9

Pump Pump unit unit

28

11/2008

MT 186

($


earin aring g parts arts in the the pump pumps s #ro #rom the the )*+T )*+T Practi actic ce Line ine #or #or assembly and maintenance -t s*uld be stated by
3a5t seal

@gland


Cig# Cig# 7#6 7#6

3ect 3ecti* i*na nall dra dra
MT 181 . Multi-stage centri#ugal pump Pacing gland

B*using/stage seal

Cig# Cig# 7#; 7#; 3ecti* 3ecti*nal nal dra
Cl*ating ring seal

2>

11/2008

MT 186


MT 18" . /cre' pump B*using seal


B*using seal

Cl*ating ring seal Cig# Cig# 7#8 7#8

Expl Expl*d *ded ed,! ,!ie ie< < dra< dra
MT 18( . %iaphragm pump

)al!es

+iapragm il 5illing Cig# Cig# 7#> 7#>

*urnal bearing

Te

70

11/2008

MT 186


MT 180 . Piston pump

Pist*n r*d seal

)al!es


il 5illing

Cig# Cig# 7#10 7#10

Pist*n seal

+ra< +ra
MT 18 . Inline centri#ugal pump

Cig# Cig# 7#11 7#11

B*using seal Cl*ating ring seal Expl* Expl*ded ded,!i ,!ie< e< dra
=ear is t* be expected *n te parts mared" necessitating replacement *5 tem#


71

11/2008

MT 186


MT 186 . )ear pump

,rings

Cl*ating ring seal


=ear disc Cig# Cig# 7#1 7#12 2

*urnal bearing

B*using seal

Any

72

11/2008

MT 186

($6


/hutdo'n -n systems in <ic uninterrupted running *5 pumps is extremely imp*rtant" suc as in p*

Cig# 7#17

-nstallati*n
Cig# 7#1

3ingle pump
!al!es

-n m*st pr*ducti*n en!ir*nments" maintenance can *nly be carried *ut during pr*ducti*n d*

77

11/2008

MT 186

($7


5epairs

=ereas during ser!icing parts are usually replaced 5*ll*

($7$1

/tatic seals

Clat seals and ,rings used 5*r sealing bet
+ism*unt te pump

•

em*!e te seals and disp*se *5 tem

•

lean te parts

•

-nstall te ne< seals during reassembly

•

A!*id mecanical mecanical damage# Ensure cleanliness# Grease seals <ere necessary#


7

11/2008

MT 186


3tatic seal

3tatic seals 3tatic seals


Cig# Cig# 7#19 7#19

,ri ,ring ngs s in in a cent centri ri5u 5uga gall pum pump p


79

11/2008

MT 186

($7$"


/ha#t and piston rod seals

Te m*st !aried stresses *n seals in pump engineering *ccur in te sealing *5 sa5t and pist*n r*d 5eed,tr*ugs# Tese seals must act bet
Pist*n r*d seal Cig# Cig# 7#16 7#16

Exam Exampl ple e *5 a pist pist*n *n r*d r*d sea seall

3a5t seal

Cig Cig# 7#1 7#1; ;

Exam Exampl ple e *5 *5 a sa5 sa5tt sea seall


76

11/2008

MT 186


A tried tr ied and pr*!en met*d *5 sealing sa5ts is by means *5 s*5t pac,ing glands# glands # Tis pacing c*nsists *5 a <*!en c*rd made principally *5 s*lid 5abrics <ic is inserted in te pacing space bet
7 


2

Cig# 7#18

Example *5 a gland

Cig# 7#1>

Pacing gland pacing

T* seal te pump sa5t" pacing glands @1 are used# Tese are pr*!ided in a

7;

11/2008

MT 186



Cig# Cig# 7#20 7#20

Item

+ame

1

=aser

2

3a5t

7

Pacing gland pa pacing



*cing ring

9

Pacing gland press

6

3tud b*lt
;

3a5t slee!e

8

B*using c*!er

Pac Pacin ing g gla glan nd *5 *5 a cent centri ri5u 5uga gall pum pump" p" sect secti* i*na nall !ie !ie< <
=en pacing a ne< gland te 5*ll*
*rrect c*ice *5 pacing based *n Duality and dimensi*ns

•

*mpletely rem*!e *ld pacing residues @7

•

Te sa5t pr*tecti!e slee!e @; must be 5ree *5 sur5ace damage

•

-nsert te pacing @7
•

$se *5 sarp t**ls
•

•

Tigten te gland press @9 by scre

78

11/2008

MT 186


•

•


nly tigten up te gland press a5ter a run,in time *5 ab*ut 20,70 minutes
T* seal sa5t lead,tr*ugs lead,tr*ugs <ic are sub4ect sub4ect t* ig stresses" stresses" #loating ring seals are are te te m*st m*st ad!a ad!ant ntag age* e*us us *pti *pti*n *n n*
Cig# Cig# 7#21 7#21

2



1

+ra< +ra
Cl*ating ring seals are c*ntact seals <ic create a yielding seal c*nnecti*n bet

7>

11/2008

MT 186


Cig# ig# 7# 7#22 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

Cl*at l*atiing ri ring seal eal

Pr*cedure 5*r replacing te 5l*ating ring seal *n a centri5ugal pump s*
3ut d*
•

pen te pump c*!er @1

•

3lacen te impeller nut @2

•

+etac te impeller @7 5r*m te sa5t

•

em*!e te 5l*ating ring @ 5r*m te sa5t

•

Pull te c*unter,ring @9 *ut *5 te *using using a suitable implement i mplement

•

Assemble in te re!erse re!erse *rder *5 rem*!al

1

7



9

2

Cig Cig# 7#27 7#27

Exam Exampl ple e *5 *5 rep repla laci cing ng a 5l* 5l*at atin ing g rin ring g seal seal *n a cen centr tri5 i5ug ugal al pum pump p


0

11/2008

MT 186


-n !ie< *5 te

Te piston piston rod rod sealin sealing g in *scilla *scillatin ting g m*ti*n m*ti*ns s *5 te pist*n pist*n r*ds r*ds and plungers *5 te pist*n pumps is acie!ed by using pacing glands" lipped rings" gr**!ed rings @1 and c*nical rings eld in supp*rt rings @2# Te design and materials must al
Cig# Cig# 7#2 7#2

1

2

+ra< +ra
Te met*d *5 rem*!al and 5itting depends *n te speci5ic pump !ersi*n and design# Te manu5acturersI 5itting instructi*ns are use5ul in tis c*ntext" and s*uld be 5*ll*

1

11/2008

MT 186


Te Te same same is true true *5 te te piston seals# seals# eplacing pist*n rings and pist*n slee!es 5*rms part *5 te essential sceduled repair r*utine# 3*me design !ariants are s*

Pist* ist*n n
Cig Cig# 7#2 7#29 9

Pis Pist*n t*n
Pist*n
rings

Exam Exampl ples es *5 pist pist* *n se seals als


2

11/2008

MT 186

($7$(


al&es P*siti!e,d P*siti!e,displac isplacemen ementt pumps pumps suc as recipr*ca recipr*cating ting pumps pumps and diapragm diapragm pumps pumps seal *55 *55 te deli!ery deli!ery space space by means means *5 intae intae and deli!e deli!ery ry side side pressure !al!es# Tey *pen due t* te resultant pressure di55erence *n e!ery str*e and cl*se due t* teir intrinsic mass *r by additi*nal spring 5*rce#

Te !al!es *5 te smaller diapragm pumps" used as metering pumps in te cemical industry" are executed as ball !al!es# 
Cig# Cig# 7#2 7#26 6

T
Te !al!es *5 te pist*n pumps may be executed as

7

11/2008

MT 186


=eigted
Cig Cig# 7#2 7#2; ;

($7$0

3pring,l*aded
3pring,l*aded
Exam Exampl ples es *5 disc disc !al! !al!es es

/pare parts ordering

Maintenance <*r s*uld generally be carried *ut *n a r*utine basis in acc*rdance



11/2008

MT 186


Cig# Cig# 7#28 7#28 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

Exam Exampl ple e *5 a *us *usin ing g
Te details s* need t* be Du*ted t* te supplier <en *rder,ing spares" s* as t* ensure te c*rrect parts are supplied:

1# Pump Pump m*del m*del 2# 3erial 3erial number number 7# Part Part name name # -tem number number *n parts parts list

Cig# 7#2>

-n5*rmat -n5*rmati*n i*n 5*r 5*r spare spare parts parts *rde *rdering ring"" e#g# identi5ie identi5ied d 5r*m 5r*m rating rating plate" plate" parts parts dra

9

11/2008

MT 186

0



Technical description )ear pump

Cig# #1

0$1

Gear pump

%escription

Gear pumps are r*tary p*siti!e displacement pumps" <ic *perate *n te p*siti!e displacement principle# Tey Tey a!e a!e a clea clearr desi design gn and and are are easy easy t* and andle le## Gear Gear pump pumps s can can generate *perating pressures *5 up t* 0bar and deli!ery 5l*
m /# Teir pulse,5ree deli!ery 5l*< increases linearly
Mode o# operation Te gear pump is p*
 Tecnical descripti*n Gear pump

6

11/2008

MT 186


Te r*tating gear <eels c*n!ey te pumped liDuid in a circum5erential directi*n al*ng te surr*unding *using" 5r*m te intae t* te deli!ery side# =*ring !al!es are n*t reDuired# Te intae and deli!ery sides are separated by a sealing gap#


Cig# ig# #2 #2

Gear pump ump de deli!e li!erry pr princi incip ple

Te deli!ery directi*n can be re!ersed by canging te directi*n *5 r*tati*n# **ing at te dri!e sa5t"
Cig# #7

l*c

;

11/2008

MT 186

0$(


Layout

Te lay*ut *5 te gear pump is s*

•

'earing 5lange" cl*sed @1

•

B*using @2

•

'earing 5lange" sa5t @7

•

+ri!en sa5t @

•

+ri!e sa5t @9

•

Cl*ating ring seal @;

Te sa5ts a!e a 5l*ating design in PTCE plain bearing buses using
Te t<* bearing 5langes are 5astened t* te *using


7

1

2

9

; Cig# Cig# # #

Expl Expl*d *ded ed dra< dra

8

11/2008

MT 186

0$0


Technical data •

Pump m*del: iDui5l*" %*# 79199,1,2

•

P*
•

Max# capacity: 80l/min

•

Max# deli!ery pressure: ;bar

•

M*t*r speed: 700###1;90rpm

•


•

•

•

-ntae c*nnecti*n tread:  1JK Pressure c*nnecti*n tread:  1JK Pump materials: B*using: 3tainless steel 716 @1#01 Gear <eels: 3tainless steel 716 @1#01/PTCE =ear discs: PTCE 'earings: PTCE 3peed,dependent 3peed,dependent !isc*sity: nL700rpm: 10000mPas nL1;90rpm: 7000mPas

0$

)ear pump dimensions

11/ '3PT

8 " 9 0 1

9 7

; " 9 1 N

66"6

72

1>0 269

Cig# #9

 9

81

N;"1

101"6

+imensi*nal dra

>

11/2008

MT 186

0$6


/pare parts dra'ing and spare parts list


Cig# # #6

3pare pa parts dr dra

90

11/2008

MT 186


Item

9uantity

*nit

+ame

Item number 

Comments

/tandard

0 0 2 / 8 1 1

n a m r y e G l e t t ( b " s r a ' " u a b e t & r e G

# T # % # $ # G d e ! r e " s e r

s t  g i r l l A

1

1

Piece

B*using

MT186#10#01#001

Or%iM*1;,12,2

2

1

Piece

'earing 5lange" cl*sed

MT186#10#01#002

Or%iM*1;,12,2

7

1

Piece

'earing 5lange" sa5t

MT186#10#01#007

Or%iM*1;,12,2



1

Piece

3eat ring

MT186#10#01#00

Or%iM*1;,12,2

9

1

Piece

+ri!e sa5t

MT186#10#01#009

Or%iM*1;,12,2

6

1

Piece

+ri!en s sa5t

MT186#10#01#006

Or%iM*1;,12,2

;

2

Piece

3cre< plug

MT186#10#01#00;

Or%iM*1;,12,2

8

1

Piece

+ri!ing gear

MT186#10#01#008

Or%iM*1;,12,2

>

1

Piece

+ri!en gear

MT186#10#01#00>

PTCE

10



Piece

Plain bearing bus

MT186#10#01#010

PTCE

11



Piece

*cing pin

MT186#10#01#011

PTCE

12

1

Piece

3*lid ring

MT186#10#01#012

eramic

17



Piece

=ear disc

MT186#10#01#017

PTCE

19



Piece

B*using pin

MT186#10#01#019

1

2

Piece

B*using seal

MT186#10#01#01

16

2

Piece

,ring

128x2

1;

2

Piece

Ceater ey

#;6x#;6x1#28 0#18;Kx0#18;Kx1#67Q

18

1

Piece

Cl*ating ring seal

1>

2

Piece

Bexag*n scre<

1/K?28x1 BB3

18,833T

20



Piece

Bexag*n nut

1/?20

18,833T

21



Piece

Bexag*n scre<

1/?20x7 7/

18,833T

22

6

Piece

3pring
1/K 18?833T

18,833T

27



Piece

3nap ring

+-% ;>>7?A16

Tab# #1

%ir20uM*

PTCE

3pare parts list


91

11/2008

MT 186




Assembly and dismantling )ear pump

$1)ear pump assembly Te gear pump assembly pr*cedure is di!ided int* se!en stages: •

•

•

•


•

•

•

Assembly stage 1 ? 'earing 5lange" cl*sed @assembly @assembly unit 1 Assembly stage 2 ? B*using @assembly unit unit 2 Assembly stage 7 ? 'earing 5lange" sa5t @assembly @assembly unit 7 Assembly stage  ? +ri!en sa5t @assembly unit unit  Assembly stage 9 ? +ri!e sa5t @assembly unit 9 Assembly stage 6 , B*using B*using Assembly stage ; ? Cl*ating ring seal

T**ls: •

•

•

*mbinati*n
9 Assembly and dismantling Gear pump

92

11/2008

MT 186

$1$1


Assembly stage 1 ? 1 ? 4earing 4earing #lange: closed ;assembly unit 1<

11 11

2 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

10

Cig# Cig# 9#1 9#1

Item

+ame

2


10


11

*cing pin

'ear 'earin ing g 5lan 5lange ge"" cl*s cl*sed ed dra dra
2

10

11 'earing 5lange" cl*sed" 5ully assembled @assembly unit 1


Parts reDuired 5*r assembly

97

11/2008

MT 186


Procedure #or assembling the bearing #lange: closed ;assembly unit 1 1

'earing 5lange" cl*sed @2


Plain bearing us

@10

*cing pin @11

'earing 5lange" cl*sed @assembly unit 1

Assembly procedure #or bearing #lange: closed ;assembly unit 1< Assembly pr*cedure: pr*cedure: •

-nsert te plain bearing bus @10 in te cl*sed bearing 5lange @2# Turn te bearing bus until te gr**!e is 5lus
•

-nsert te l*cing pin @11 int* te gr**!es#

•

epeat tis pr*cedure 5*r te sec*nd bearing bus


9

11/2008

MT 186

$1$"


Assembly stage " . =ousing ;assembly unit "<

16

8 0 0 2 / 1 1 y n a m r e G

1 19

" l e t t ( b s r a '

" u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

Cig# Cig# 9#2 9#2

Item

+ame

1

B*using

16

,ring

19

B*using pin

B*us B*usin ing g dra< dra
1

19

16

B*using" 5ully assembled


@assembly unit 2


99

11/2008

MT 186


Procedure #or assembling the housing ;assembly unit " "

B*using @1


,rings @16

B*using pins @19

Assembly unit unit 2

Assembly procedure #or housing ;assembly unit "< Assembly pr*cedure: pr*cedure: •

•

Place te t<* ,rings @16 in te ,ring gr**!es in te *using @1# -nsert te 5*ur *using pins @19 in te rele!ant *les *n te 5r*nt *5 te *using @1#


96

11/2008

MT 186

$1$(


Assembly stage ( . 4earing #lange: sha#t ;assembly unit (<

11


10

7

Cig# Cig# 9#7 9#7

Item

+ame

7


10


11

*cing pin

'ear 'earin ing g 5lan 5lange ge"" sa sa5t 5t dra dra
7 10 11 'earing 5lange" sa5t" 5ully assembled @assembly unit 7



9;

11/2008

MT 186


Procedure #or assembling the bearing #lange: sha#t ;assembly unit (<

'earing 5lange" sa5t @7


Plain bearing us

@10

*cing pin @11

'earing 5lange" sa5t @assembly unit 7

Assembly procedure #or bearing #lange: sha#t ;assembly unit (< Assembly pr*cedure: pr*cedure: •

-nsert te plain bearing bus @10 in te sa5t bearing 5lange @7# Turn te bearing bus until te gr**!e is 5lus
•

-nsert te l*cing pin @11 int* te gr**!es#

•



98

11/2008

MT 186

$1$0


Assembly stage 0 . %ri&en sha#t ;assembly unit 0<

>

1;

6


Cig Cig# 9# 9#

27 Item

+ame

6

+ri!en sa5t

1;

Ceater ey

>

+ri!en gear

27

3nap ring

+ri! +ri!en en sa sa5t dra< dra
6 1;

>

27

+ri!en sa5t" 5ully assembled @assembly unit 



9>

11/2008

MT 186


Procedure #or assembling the dri&en sha#t ;assembly unit 0<

+ri!en sa5t @6

Ceater ey @1; 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

+ri!en gear @>

3nap ring @27

+ri!en sa5t @assembly unit 

Assembly procedure #or dri&en sha#t ;assembly unit 0< Assembly pr*cedure: pr*cedure: •

•

•

Place te 5eater ey @1; in te gr**!e *n te dri!en sa5t @6# 3lide te dri!en gear @> *!er te sa5t @6 and 5eater ey @1;# Te 5eater ey is n*< als* p*siti*ned in te gr**!e *n te gear# 3lide te t<* snap rings @27 *!er eac end *5 te sa5t as 5ar as te appr*priate sa5t gr**!e and clic int* place#


60

11/2008

MT 186

$1$


Assembly stage  . %ri&e sha#t ;assembly unit <

8

1; 9

27


Cig Cig# 9#9 9#9

Item

+ame

9

+ri!e sa5t

1;

Ceater ey

8

+ri!ing gear

27

3nap ring

+ri! +ri!e e sa sa5t 5t dra< dra
+ri!e sa5t" 5ully assembled @assembly @assembly unit 9

8 9 1;

27

Parts reDuired 5*r assembly 9 Assembly and dismantling Gear pump

61

11/2008

MT 186


Procedure #or assembling the dri&e sha#t ;assembly unit <

+ri!e sa5t @9

Ceater ey @1;


+ri!ing gear @8

3nap ring @27

Assembly unit 9

Assembly procedure #or dri&e sha#t ;assembly unit < Assembly pr*cedure: pr*cedure: •

•

•

Place te 5eater ey @1; in te gr**!e *n te dri!e sa5t @9# 3lide te dri!ing gear @8 *!er te sa5t @9 and 5eater ey @1;# Te 5eater ey is n*< als* p*siti*ned in te gr**!e *n te gear# 3lide te t<* snap rings @27 *!er eac end *5 te sa5t as 5ar as te appr*priate sa5t gr**!e and clic int* place#


62

11/2008

MT 186

$1$6


Assembly stage 6 . =ousing

20

22

21

17

 9 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

1

Cig# ig# 9#6

2

7 Item

+ame

1

Assembly unit 1

2

Assembly unit 2

7

Assembly unit 7



Assembly unit 

9

Assembly unit 9

17

=ear disc

21

Bexag*n scre<

22

3pring
20

Bexag*n nut

B*usi *usin ng assem ssembl bly y dra

67

11/2008

MT 186



Pump *using" 5ully assembled

2

7

1 9

 17

20

21

22



6

11/2008

MT 186


Procedure #or housing assembly 6

B*using @assembly unit 2

+ri!e sa5t


@assembly unit 9

+ri!en sa5t @assembly unit 

=ear disc @17

'earing 5lange" cl*sed @assembly unit 1

'earing 5lange" sa5t @assembly unit 7

Bexag*n scre< 5itting @20" 21" 22

B*using


69

11/2008

MT 186


Assembly procedure #or housing Assembly pr*cedure: pr*cedure: •

•


Place te dri!e sa5t @assembly unit 9 in te l*
-nstalling te dri!en sa5t •

3lide *ne
Assembly *5

66

11/2008

MT 186


•

Place te cl*sed bearing 5lange @assembly unit 1 *nt* te le5t side *5 te *using @1# are5ully insert te sa5t ends int* te 5 l*ating bearing buses

@10
Place te sa5t bearing 5lange @assembly unit 7 *nt* te rigt side *5 te *using @1# are5ully insert te sa5t ends int* te 5 l*ating bearing buses

@10
Attacing te te sa5t bearing bearing 5lange •

un te 5*ur exag*n scre

6;

11/2008

MT 186

$1$7


Assembly stage 7 . >loating ring seal

1

18



1

8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a '

12

1>" 22

;

" u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

Item

+ame

1

B*using assembly 6

18

Cl*ating ring seal

12

3*lid ring

1

B*using seal



3eat ring

1>

Bexag*n scre<

22

3pring
;

3cre< plug Te5l*n strip

Cig# Cig# 9#; 9#;

Cl*a Cl*ati ting ng ring ring seal seal asse assemb mbly ly dra< dra

68

11/2008

MT 186



Cl*ating ring seal" 5ully assembled

1

12 1

18

; 22

1>





6>

11/2008

MT 186


Procedure #or #loating ring seal assembly 7

B*using

Cl*ating ring seal @18


B*using seal @1

3*lid ring @12

3eat ring @

Bexag*n scre< 5itting @1>" 22

Te5l*n tape

3cre< plug @;

Gear pump 9 Assembly and dismantling Gear pump

;0

11/2008

MT 186


Assembly procedure #or #loating ring seal Assembly pr*cedure: pr*cedure: •

3lide te 5l*ating ring seal @18 *!er te sa5t int* te sa5t bearing 5lange

@7 until te exag*n exag*n scre< scre< is !isible tr*ug tr*ug te treaded treaded *le 5*r te scre< plug @;# Tigten te scre<

Assembly *5 5l*ating ring seal

Bexag*n scre< *n 5l*ating ring seal

Tigtening te 5l*ating ring seal

•

3lide a *using seal @1 *nt* eac side *5 te s*lid ring @12#

•

3lide te s*lid ring @12 *!er te sa5t against te sa5t bearing 5lange @7#


;1

11/2008

MT 186



Assembly *5 s*lid s*lid ring •

3lide te seat ring @ *!er te sa5t and s*lid ring @12 against te sa5t bearing 5lange @7#

Assembly *5 seat seat ring •

•

•

3cre< te seat ring against te bearing 5lange  and spring

;2

11/2008

MT 186

$"


%ismantling the gear pump

T**ls: •

•

•

$"$1 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

*mbinati*n
%ismantling assembly stage 7 . >loating ring seal •

•

•

•

•

•

**sen te exag*n scre and spring
Cl*ating ring seal dismantled


;7

11/2008

MT 186

$"$"


%ismantling assembly stage 6 . =ousing •

•

•


•

•

•

**sen te 5*ur exag*n scre< 5ittings @20" 21" 22 and rem*!e te exag*n scre
Pump *using dismantled


;

11/2008

MT 186

$"$(


%ismantling assembly stage  . %ri&e sha#t •


Prise te t<* snap rings @27 *ut *5 te gr**!e
•

em*!e te dri!ing gear @8 5r*m te dri!e sa5t @9 and 5eater ey @1;#

•

em*!e te 5eater ey @1; 5r*m te gr**!e *n te dri!e sa5t @9#

+ri!e sa5t dismantled

$"$0

%ismantling assembly stage 0 . %ri&en sha#t •

Prise te t<* snap rings @27 *ut *5 te gr**!e
•

em*!e te dri!en gear @> 5r*m te sa5t @6 and 5eater ey @1;#

•

em*!e te 5eater ey @1; 5r*m te gr**!e *n te sa5t @6#

+ri!en sa5t dismantled


;9

11/2008

MT 186

$"$



%ismantling assembly stage ( . 4earing #lange: sha#t •

em*!e te plain bearing bus @10 5r*m te sa5t bearing 5lange @7#

•

em*!e te l*cing pin @11 @11 5r*m te gr**!e#

•


'earing 5lange" sa5t dismantled

$"$6

%ismantling assembly stage " . =ousing •

are5ully rem*!e te t<* ,rings @16 5r*m te ring gr**!es in te *using

@1
em*!e te 5*ur *using pins @19 5r*m te rele!ant *les *n te 5r*nt *5 te *using @1#

B*using dismantled


;6

11/2008

MT 186

$"$7



%ismantling assembly stage 1 . 4earing #lange: closed •

em*!e te plain bearing bus @10 5r*m te cl*sed bearing 5lange @2#

•

em*!e te l*cing pin @11 @11 5r*m te gr**!e#

•


'earing 5lange" cl*sed dismantled


;;

11/2008

MT 186

6


6 Tass


Tas,s Tas,s  !xercises

Table o# contents

=*rseet 1

-ntr*ducti*n t* te gear pump

=*rseet 2

+esign" 5uncti*n and applicati*ns

=*rseet 7

-denti5ying causes *5 5aults

=*rseet 

3ealing systems

=*rseet 9

-nspecti*n

=*rseet 6

3er!icing

=*rseet ;

epairs

=*rseet 8

=earing parts

=*rseet >

Assembling te gear pump

=*rseet 10

anging te 5l*ating ring seal

=*rseet 11

Parts identi5icati*n using te parts dra
=*rseet 12

3pare parts *rdering

;8

11/2008

MT 186




3pare parts dra
6 Tass

;>

11/2008

MT 186


Item

9uantity

*nit

+ame

Item number 

Comments

/tandard

0 0 2 / 8 1 1


# T # % # $ # G d e ! r e " s e r

s t  g i r l l A

1

1

Piece

B*using

MT186#10#01#001

Or%iM*1;,12,2

2

1

Piece


MT186#10#01#002

Or%iM*1;,12,2

7

1

Piece


MT186#10#01#007

Or%iM*1;,12,2



1

Piece

3eat ring

MT186#10#01#00

Or%iM*1;,12,2

9

1

Piece

+ri!e sa5t

MT186#10#01#009

Or%iM*1;,12,2

6

1

Piece

+ri!en s sa5t

MT186#10#01#006

Or%iM*1;,12,2

;

2

Piece

3cre< plug

MT186#10#01#00;

Or%iM*1;,12,2

8

1

Piece

+ri!ing gear

MT186#10#01#008

Or%iM*1;,12,2

>

1

Piece

+ri!en gear

MT186#10#01#00>

PTCE

10



Piece


MT186#10#01#010

PTCE

11



Piece

*cing pin

MT186#10#01#011

PTCE

12

1

Piece

3*lid ring

MT186#10#01#012

eramic

17



Piece

=ear disc

MT186#10#01#017

PTCE

19



Piece

B*using pin

MT186#10#01#019

1

2

Piece

B*using seal

MT186#10#01#01

16

2

Piece

,ring

128x2

1;

2

Piece

Ceater ey

#;6x#;6x1#28 0#18;Kx0#18;Kx1#67Q

18

1

Piece

Cl*ating ring seal

1>

2

Piece

Bexag*n scre<

1/K?28x1 BB3

18,833T

20



Piece

Bexag*n nut

1/?20

18,833T

21



Piece

Bexag*n scre<

1/?20x7 7/

18,833T

22

6

Piece

3pring
1/K 18?833T

18,833T

27



Piece

3nap ring

+-% ;>>7?A16

Tab# 6#1

6 Tass

%ir20uM*

PTCE

3pare parts list

80

11/2008

MT 186

6$1


or,sheet 1: page 1? Introduction to the gear pump

2b@ecti&e? T* *btain an *!er!ie< *5 te design and 5uncti*n *5 te gear pump# !xercise? S*u are pr*!ided

Pump" 5ully assembled

Pump *using" dismantled

Tae te pump dra
6 Tass

81

11/2008

MT 186


or,sheet or,sheet 1: page "

S*u are n*< 5amiliar en*ug
2# +*es a gear pump a!e a speci5ic directi*n *5 r*tati*n r are cl*c

7# an y*u explain te basic *perating principle *5 a gear pump

4.

6 Tass

**ing at te materials used ? <*se c*rrect standard designati*ns y*u are 5amiliar
82

11/2008

MT 186

6$"


or,sheet ": page 1? %esign: #unction and applications o# gear pump

2b@ecti&e? T* explain te design *5 te pump# T* understand and describe its met*d *5 *perati*n and usage# !xercise? 1# +escribe +escribe te te design design *5 te pump# pump# $se te dra
2# %ame te te 5i!e ey ey c*mp*ne c*mp*nents# nts#

7# Explain te met*d *5 *perati*n *perati*n *5 te pump# Explain te deli!ery principle#

6 Tass

87

11/2008

MT 186


or,sheet or,sheet ": page "

# -n <at areas is te gear pump used


6 Tass

8

11/2008

MT 186

6$(


or,sheet (: page 1? Identi#ying causes o# #aults

2b@ecti&e? T* identi5y *r suspect liely causes *5 5aults in resp*nse t* speci5ic mal5uncti*ns <ile te pump is *perating#

!xercise? Try t* 5ind te causes *5 te 5aults listed in te table bel*<# bel*<# %*te d*
S*u can exclude system,related disturbances# >ault

/uspected cause

Medium leaing at end *5 sa5t

unning n*ise as maredly increased

Te pressure di55erence usually generated bet
6 Tass

89

11/2008

MT 186

6$0


or,sheet 0: page 1? /ealing systems

2b@ecti&e? T* di!ide sealing systems int* basic categ*ries and identi5y tem based *n te example *5 te gear pump# -n5*rmati*n *n classi5icati*n *5 sealing systems 3ealing systems


3tatic seals

+ynamic seals

@seals sub4ect t* stati*nary

@seals sub4ect t* m*ti*n

stress

Exercise: 1# Bere y*u see see te secti*nal secti*nal dra
3ecti*nal dra
6 Tass

86

11/2008

MT 186


or,sheet or,sheet 0: page " nce y*u a!e identi5ied te sealing systems used in te gear pump" m*!e *n t* te 5*ll*

7# Te dra
6 Tass

8;

11/2008

MT 186

6$


or,sheet : page 1? Inspection o# pumps

2b@ecti&e? T* n*< <at te term Kinspecti*nR in!*l!es" and t* dra< up an inspecti*n plan#

!xercise? 1.


=at d*es te term Kinspecti*nR mean in te c*ntext *5 tecnical maintenance Mar te statements y*u c*nsider t* be true tr ue *r 5alse in te Ses Ses *r %* c*lumn *5 te 5*ll*
Acti&ity

es

+o

Te *b4ect *5 ser!icing is t* rec*rd and assess te current actual status *5 a pump *mp*nents suc as impellers *r seals are replaced as a pre!enti!e measure 3a5t bearings are lubricated and c*uplings re,aligned Entire pump units are replaced An inspecti*n inspecti*n is al
An inspecti*n inspecti*n can be seen seen as eDui!alent eDui!alent t* pre!enti!e pre!enti!e repair repair

-nspecti*n is a r*utine *perati*n in macinery and plant maintenance

6 Tass

O

88

11/2008

MT 186


or,sheet or,sheet : page " =en y*u a!e establised <at te term Kinspecti*nR means" m*!e *n t* te 5*ll*
Inspection planlog

6 Tass

Pump: 3erial n*#:

-nspected by: +ate:

-tem

*mments

8>

11/2008

MT 186

6$6


or,sheet 6: page 1? /er&icing pumps

2b@ecti&e? T* n*< <at is meant by te term Kser!icingR#

!xercise? 1.

=at d*es te term Kser!icingR mean in te c*ntext *5 tecnical maintenance Mar te statements y*u c*nsider t* be true tr ue *r 5alse in te Ses Ses *r %* c*lumn *5 te 5*ll*

Acti&ity

es

+o

*mp*nents suc as impellers" sa5t seals and *ter seals are replaced as a pre!enti!e measure Te *b4ect *5 ser!icing is t* rec*rd and assess te current actual status *5 a pump 3er!icing *5 a pump is a r*utine *perati*n" carried *ut at prede5ined inter!als A ser!ice ser!ice is usually usually carried *ut *ut
6 Tass

>0

11/2008

MT 186



=en y*u a!e establised <at te term Kser!iceR means" m*!e *n t* te 5*ll*
2# +* y*u tin tat r*utine ser!icing ser!icing is use5ul and and necessary 5*r te gear pump 5r*m *ur MT 186 it Gi!e reas*ns 5*r y*ur decisi*n# 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

7# et us assume tat t<* gear pumps
6 Tass

>1

11/2008

MT 186

6$7


or,sheet 7: page 1? 5epair o# pumps

2b@ecti&e? T* n*< <at is meant by te term KrepairsR in tis c*ntext and t* dra< up a pre!enti!e maintenance plan#

!xercise? 1.


=at =at d*es d*es te te term term Kre Krepair pairs sR mean ean in te te c*nte *ntext xt *5 tec tecnica nicall maintenance Mar te statements y*u c*nsider t* be true *r 5alse in te Ses Ses *r %* c*lumn *5 te 5*ll*
Acti&ity

es

+o

epair in!*l!es replacing
6 Tass

>2

11/2008

MT 186


or,sheet or,sheet 7: page " nce y*u a!e establised <at te term KrepairsR means" m*!e *n t* te 5*ll*

$se te dra
-nspected by: +ate:

Pr*cedure

*mments/3tatus

Parts t* be replaced:

Parts t* be ceced:

6 Tass

>7

11/2008

MT 186

6$8


or,sheet 8: page 1? earing parts on gear pump

2b@ecti&e? T* identi5y te

3ecti*nal dra
2# 5 <at materia materiall are te
6 Tass

Material

>

11/2008

MT 186

6$B


or,sheet B: page 1? Assembling the gear pump

2b@ecti&e? T* structure te assembly pr*cess# T* identi5y <ic assembly units can be put t*geter be5*re *!erall assembly is carried *ut#

!xercise? S*u a!e laid *ut all te c*mp*nent parts *5 te gear pump in 5r*nt *5 y*u# S*ur tas is t* assemble te gear pump# 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

Cirst *5 all" indi!idual assembly units are pre,assembled" and are ten c*mbined t* create te *!erall system# 1# *llect te c*mp*nents c*mp*nents t* be used used t* create an assembly unit# unit# Gi!e te assembly unit a name# $se te dra
6 Tass

>9

11/2008

MT 186


or,sheet or,sheet B: page " U Item

+ame

Item

+ame

Item

+ame

Item

+ame

Item

+ame

U 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

U

U

U

6 Tass

>6

11/2008

MT 186


or,sheet or,sheet B: page (

2# nce y*u a!e a!e put t*geter te !ari*us assembly assembly units" te next next step is t* assemble te b*dy *5 te pump# -n d*ing tis" set *ut te pr*cedure in a structure as s*
Assembly unit 2


@B*using

Parts x" y" ###

Parts x" y" ###

Pump *using

6 Tass

>;

11/2008

MT 186


or,sheet or,sheet B: page 0

Pr*cedure 5*r assembling te pump *using

Assembly unit 2 @B*using


Pump *using

6 Tass

>8

11/2008

MT 186

6$1


or,sheet 1: page 1? Changing the #loating ring seal

2b@ecti&e? Planning and carrying *ut a cange *5 5l*ating ring seal *n te gear pump#

Exercise: 1# S*ur tas is t* cange cange te 5l*ating ring seal *n te gear pump# 3et *ut y*ur planned met*d in te pre,c*mpiled <*r plan# $se te dra
6 Tass

>>

11/2008

MT 186


or,sheet or,sheet 1: page " or, plan #or gear pump #loating ring seal change *b n*#: +ate: Estimated time reDuired: VV min %*# perati*n:

arried *ut by: +ate: T**ls


6 Tass

100

11/2008

MT 186

6$1 6$11


or,s or,she heet et 11: 11: pag page e 1? Par Partt iden identi ti#i #ica cati tion on usi using ng spa spare re par parts ts dra dra'i 'ing ng:: #amiliarity 'ith technical terms 2b@ecti&e? T* assign items 5r*m a spare parts list t* a spare parts dra
8 0 0 2 / 1 1

n a m r y e G

l e t t ( b " s r a '

u a b e t " & r e G

# T # % # $ # G

d e ! r e s e r

/tandard

Item

9uantity

*nit

+ame

Item number 

Comments

1

1

Piece

B*using

MT186#10#01#001

Or%iM*1;,12,2

2

1

Piece


MT186#10#01#002

Or%iM*1;,12,2

7

1

Piece


9

1

Piece

+ri!e sa5t

MT186#10#01#009

MT186#10#01#007

Or%iM*1;,12,2



1

Piece

3eat ring

MT186#10#01#00

Or%iM*1;,12,2

6

1

Piece

+ri!en s sa5t

MT186#10#01#006

Or%iM*1;,12,2

;

2

Piece

3cre< plug

MT186#10#01#00;

Or%iM*1;,12,2

Or%iM*1;,12,2

8

1

Piece

+ri!ing gear

MT186#10#01#008

10



Piece


MT186#10#01#010

Or%iM*1;,12,2

>

1

Piece

+ri!en gear

MT186#10#01#00>

PTCE

11



Piece

*cing pin

MT186#10#01#011

PTCE

12

1

Piece

3*lid ring

MT186#10#01#012

eramic

17



Piece

=ear disc

MT186#10#01#017

PTCE

1

2

Piece

B*using seal

MT186#10#01#01

PTCE

19



Piece

B*using pin

MT186#10#01#019

%ir20uM*

16

2

Piece

,ring

128x2

1;

2

Piece

Ceater ey

#;6x#;6x1#28 0#18;Kx0#18;Kx1#67Q

18

1

Piece

Cl*ating ring seal

1>

2

Piece

Bexag*n scre<

1/K?28x1 BB3

18,833T

20



Piece

Bexag*n nut

1/?20

18,833T

21



Piece

Bexag*n scre<

1/?20x7 7/

18,833T

22

6

Piece

3pring
1/K 18?833T

18,833T

27



Piece

3nap ring

+-% ;>>7?A16

PTCE

"

t  g s i r

l l A

3pare parts list

6 Tass

101

11/2008

MT 186


or,sheet 11: page "


3pare parts dra
6 Tass

102

11/2008

MT 186

6$1"


or,sheet 1": page 1? /pare parts ordering

2b@ecti&e? -denti5ying tecnical data 5*r clear spare parts *rdering#

!xercise? S*u are g*ing t* carry *ut a repair" and need spare parts 5*r y*ur gear pump#

3elect tree parts y*u suspect are <*rn# %*te te tecnical in5*rmati*n 5*r tese tree parts tat is necessary 5*r a clear spare parts *rder# 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

$se te d*cuments pr*!ided#

3pare parts *rder 5*r pump:

3pare part:

6 Tass

107

11/2008

MT 186

7


; 3*luti*ns


/olutions Tas,s  !xercises

Table o# contents

=*rseet 1

-ntr*ducti*n t* te gear pump

=*rseet 2

+esign" 5uncti*n and applicati*ns

=*rseet 7

-denti5ying causes *5 5aults

=*rseet 

3ealing systems

=*rseet 9

-nspecti*n

=*rseet 6

3er!icing

=*rseet ;

epairs

=*rseet 8

=earing parts

=*rseet >

Assembling te gear pump

=*rseet 10

anging te 5l*ating ring seal

=*rseet 11

Parts identi5icati*n using te parts dra
=*rseet 12

3pare parts *rdering

10

11/2008

MT 186




3pare parts dra
; 3*luti*ns

109

11/2008

MT 186


Item

9uantity

*nit

+ame

Item number 

Comments

/tandard

0 0 2 / 8 1 1


# T # % # $ # G d e ! r e " s e r

s t  g i r l l A

1

1

Piece

B*using

MT186#10#01#001

Or%iM*1;,12,2

2

1

Piece


MT186#10#01#002

Or%iM*1;,12,2

7

1

Piece


MT186#10#01#007

Or%iM*1;,12,2



1

Piece

3eat ring

MT186#10#01#00

Or%iM*1;,12,2

9

1

Piece

+ri!e sa5t

MT186#10#01#009

Or%iM*1;,12,2

6

1

Piece

+ri!en s sa5t

MT186#10#01#006

Or%iM*1;,12,2

;

2

Piece

3cre< plug

MT186#10#01#00;

Or%iM*1;,12,2

8

1

Piece

+ri!ing gear

MT186#10#01#008

Or%iM*1;,12,2

>

1

Piece

+ri!en gear

MT186#10#01#00>

PTCE

10



Piece


MT186#10#01#010

PTCE

11



Piece

*cing pin

MT186#10#01#011

PTCE

12

1

Piece

3*lid ring

MT186#10#01#012

eramic

17



Piece

=ear disc

MT186#10#01#017

PTCE

19



Piece

B*using pin

MT186#10#01#019

1

2

Piece

B*using seal

MT186#10#01#01

16

2

Piece

,ring

128x2

1;

2

Piece

Ceater ey

#;6x#;6x1#28 0#18;Kx0#18;Kx1#67Q

18

1

Piece

Cl*ating ring seal

1>

2

Piece

Bexag*n scre<

1/K?28x1 BB3

18,833T

20



Piece

Bexag*n nut

1/?20

18,833T

21



Piece

Bexag*n scre<

1/?20x7 7/

18,833T

22

6

Piece

3pring
1/K 18?833T

18,833T

27



Piece

3nap ring

+-% ;>>7?A16

Tab# ;#1

; 3*luti*ns

%ir20uM*

PTCE

3pare parts list

106

11/2008

MT 186

7$1


or,sheet 1: page 1? Introduction to the gear pump

2b@ecti&e? T* *btain an *!er!ie< *5 te design and 5uncti*n *5 te gear pump# !xercise? S*u are pr*!ided

Pump" 5ully assembled

Pump *using" dismantled

Tae te pump dra
; 3*luti*ns

10;

11/2008

MT 186



S*u are n*< 5amiliar en*ug
B*< is te lead,tr*ug *5 te 5ree end *5 te sa5t sealed *n tis pump =it a 5l*ating ring seal#

2# +*es a gear pump a!e a speci5ic directi*n *5 r*tati*n r are cl*c

Te directi*n *5 r*tati*n *n a gear pump is re!ersible" i#e# it *perates
7# an y*u explain te basic *perating *perating principle *5 *5 a gear gear pump Te liDuid is pumped al*ng te pump
4.

**ing at te materials used ? <*se c*rrect standard designati*ns y*u are 5amiliar
; 3*luti*ns

108

11/2008

MT 186

7$"


or,sheet ": page 1? %esign: #unction and applications o# gear pump

2b@ecti&e? T* explain te design *5 te pump# T* understand and describe its met*d *5 *perati*n and usage# !xercise? 1# +escribe +escribe te te design design *5 te pump# pump# $se te dra

Te gear <eels are 5ixed t* te sa5ts
; 3*luti*ns

10>

11/2008

MT 186


or,sheet or,sheet ": page "

# -n <at areas areas is te te gear pump pump used used Gear pumps can generate *perating pressures *5 up t* 0 bar and 7

deli!ery 5l*
; 3*luti*ns

110

11/2008

MT 186

7$(


or,sheet (: page 1? Identi#ying causes o# #aults

2b@ecti&e? T* identi5y *r suspect liely causes *5 5aults in resp*nse t* speci5ic mal5uncti*ns <ile te pump is *perating#

!xercise? Try t* 5ind te causes *5 te 5aults listed in te table bel*<# bel*<# %*te d*
S*u can exclude system,related disturbances# >ault

/uspected cause

Medium leaing at end *5 sa5t

3a5t seal de5ecti!e

unning n*ise as maredly increased

'earing buses damaged" 3a5ts *r gear <eels de5*rmed" C*reign b*dies in te pump

Te pressure di55erence usually generated bet
3peed as decreased" e!erse 5l*< in te pump as increased

Te pump *using as a muc iger sur5ace temperature tan n*rmal

3a5ts and gear <eels are scraping *n te *using due t* se!ere
due t*
Te current c*nsumpti*n *5 te dri!e m*t*r M*t*r is de5ecti!e" as increased signi5icantly c*mpared t* 3peed as increased" n*rmal *perating c*nditi*ns C*reign b*dies in te pump and internal parts scraping Media is escaping bet
; 3*luti*ns

111

11/2008

MT 186

7$0


or,sheet 0: page 1? /ealing systems

2b@ecti&e? T* di!ide sealing systems int* basic categ*ries and identi5y tem based *n te example *5 te gear pump# -n5*rmati*n *n classi5icati*n *5 sealing systems 3ealing systems


3tatic seals

+ynamic seals

@seals sub4ect t* stati*nary

@seals sub4ect t* m*ti*n

stress

Exercise: 1# Bere y*u see see te secti*nal secti*nal dra
+

3

+

3

3ecti*nal dra
; 3*luti*ns

112

11/2008

MT 186


or,sheet or,sheet 0: page " nce y*u a!e identi5ied te sealing systems used in te gear pump" m*!e *n t* te 5*ll*

7# Te dra
Pacing glands are used t* seal te pump sa5t# Te gland pacing is a <*!en c*rd mainly made *5 s*lid 5abrics# -t is de5*rmed in te pacing space bet
; 3*luti*ns

117

11/2008

MT 186

7$


or,sheet : page 1? Inspection o# pumps

2b@ecti&e? T* n*< <at te term Kinspecti*nR in!*l!es" and t* dra< up an inspecti*n plan#

!xercise? 1.


=at d*es te term Kinspecti*nR mean in te c*ntext *5 tecnical maintenance Mar te statements y*u c*nsider t* be true tr ue *r 5alse in te Ses Ses *r %* c*lumn *5 te 5*ll*
Acti&ity

es

Te *b4ect *5 ser!icing is t* rec*rd and assess te current actual status *5 a pump

O

*mp*nents suc as impellers *r seals are replaced as a pre!enti!e measure

O

3a5t bearings are lubricated and c*uplings re,aligned

O

Entire pump units are replaced

O

An inspecti*n inspecti*n is al
O

+uring an inspecti*n" *perating data 5*r te pump system is measured @read and entered in an inspecti*n plan

O

An inspecti*n inspecti*n can be seen seen as eDui!alent eDui!alent t* pre!enti!e pre!enti!e repair repair

-nspecti*n is a r*utine *perati*n in macinery and plant maintenance

; 3*luti*ns

+o

O

O

11

11/2008

MT 186


or,sheet or,sheet : page " =en y*u a!e establised <at te term Kinspecti*nR means" m*!e *n t* te 5*ll*
Inspection planlog Pump: 3erial n*#:

-nspected by: +ate:

-tem

*mments

Pump capacity +eli!ery pressure eaage %*ise 3m**t running Temperature General c*nditi*n

; 3*luti*ns

119

11/2008

MT 186

7$6


or,sheet 6: page 1? /er&icing pumps

2b@ecti&e? T* n*< <at is meant by te term Kser!icingR#

!xercise? 1.

=at d*es te term Kser!icingR mean in te c*ntext *5 tecnical maintenance Mar te statements y*u c*nsider t* be true tr ue *r 5alse in te Ses Ses *r %* c*lumn *5 te 5*ll*

Acti&ity

es

+o

*mp*nents suc as impellers" sa5t seals and *ter seals are replaced as a pre!enti!e measure

O

Te *b4ect *5 ser!icing is t* rec*rd and assess te current actual status *5 a pump

O

3er!icing *5 a pump is a r*utine *perati*n" carried *ut at prede5ined inter!als O A ser!ice ser!ice is usually usually carried *ut *ut
O

3er!icing can be seen as eDui!alent t* pre!enti!e repair Acti!ities during during a ser!ice c*uld c*uld include include rep*siti*ning rep*siti*ning pacing pacing glands" ad4usting c*uplings *r canging *il 5illings

; 3*luti*ns

O O

Entire pump units are replaced

O

3er!icing is al
O

116

11/2008

MT 186



=en y*u a!e establised <at te term Kser!iceR means" m*!e *n t* te 5*ll*
2# +* y*u tin tat r*utine ser!icing ser!icing is use5ul and and necessary 5*r te gear pump 5r*m *ur MT 186 it Gi!e reas*ns 5*r y*ur decisi*n# SesW 3er!icing cecs te c*nditi*n *5 te

7# et us assume tat t<* gear pumps
; 3*luti*ns

11;

11/2008

MT 186

7$7


or,sheet 7: page 1? 5epair o# pumps

2b@ecti&e? T* n*< <at is meant by te term KrepairsR in tis c*ntext and t* dra< up a pre!enti!e maintenance plan#

!xercise? 1.


=at =at d*es d*es te te term term Kre Krepair pairs sR mean ean in te te c*nte *ntext xt *5 tec tecnica nicall maintenance Mar te statements y*u c*nsider t* be true *r 5alse in te Ses Ses *r %* c*lumn *5 te 5*ll*
Acti&ity

es

epair in!*l!es replacing
O

epairs are carried *ut <en damage as *ccurred t* te pump epairs may als* be carried *ut as r*utine and pre!enti!e measures t* pre!ent damage and st*ppages 5r*m *ccurring in te 5irst place

O O

Entire pump units are replaced As part *5 pre!enti!e pre!enti!e maintenance maintenance"" repair measures measures pre!ent pre!ent a pump 5r*m 5ailing be5*re damage actually *ccurs epairs are n*rmally carried *ut
; 3*luti*ns

+o

O O O O

118

11/2008

MT 186


or,sheet or,sheet 7: page " nce y*u a!e establised <at te term KrepairsR means" m*!e *n t* te 5*ll*

$se te dra
-nspected by: +ate:

Pr*cedure

*mments/3tatus

Parts t* be replaced: Cl*ating ring seal @18 3*lid ring @12 B*using seal @1 =ear discs @17 Plain bearing bus @10 *cing pin @11 +ri!en gear @> ,ring @16 Parts t* be ceced: B*using c*mp*nents +ri!ing gear 3a5ts

; 3*luti*ns

11>

11/2008

MT 186

7$8


or,sheet 8: page 1? earing parts on gear pump

2b@ecti&e? T* identi5y te

Cl*ating ring seal

B*using seal

=ear disc

'earing bus

3*lid ring

3ecti*nal dra
2# 5 <at materia materiall are te
; 3*luti*ns

earing part

Material

Cl*ating ring seal

PTCE

3*lid ring

eramic

B*using seal

PTCE

'earing bus

PTCE

,ring

PTCE

=ear discs

PTCE

120

11/2008

MT 186

7$B


or,sheet B: page 1? Assembling the gear pump

2b@ecti&e? T* structure te assembly pr*cess# T* identi5y <ic assembly units can be put t*geter be5*re *!erall assembly is carried *ut#

!xercise? S*u a!e laid *ut all te c*mp*nent parts *5 te gear pump in 5r*nt *5 y*u# S*ur tas is t* assemble te gear pump# 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

Cirst *5 all" indi!idual assembly units are pre,assembled" and are ten c*mbined t* create te *!erall system# 1# *llect te c*mp*nents c*mp*nents t* be used used t* create an assembly unit# unit# Gi!e te assembly unit a name# $se te dra
; 3*luti*ns

121

11/2008

MT 186


or,sheet or,sheet B: page " •

•


•

•

•

; 3*luti*ns

Assembly unit 1 ? 'earing 'earing 5lange" cl*sed Item

+ame

2


10


11

*cing pin

Assembly unit 2 ? B*using B*using Item

+ame

1

B*using

16

,ring

19

B*using pin

Assembly unit 7 ? 'earing 'earing 5lange" sa5t Item

+ame

7


10


11

*cing pin

Assembly unit  ? +ri!en sa5t Item

+ame

6

+ri!en sa5t

1;

Ceater ey

>

+ri!en gear

27

3nap ring

Assembly unit 9 ? +ri!e sa5t sa5t Item

+ame

9

+ri!e sa5t

1;

Ceater ey

8

+ri!ing gear

27

3nap ring

122

11/2008

MT 186


or,sheet or,sheet B: page (

2# nce y*u a!e a!e put t*geter te !ari*us assembly assembly units" te next next step is t* assemble te b*dy *5 te pump# -n d*ing tis" set *ut te pr*cedure in a structure as s*
Assembly unit 2


@B*using

Parts x" y" ###

Parts x" y" ###

Pump *using

; 3*luti*ns

127

11/2008

MT 186


or,sheet or,sheet B: page 0

Pr*cedure 5*r assembling te pump *using

Assembly unit 2

@B*using

Assembly unit 9


@+ri!e sa5t

Assembly unit 

@+ri!en sa5t

=ear disc @17

Assembly unit 1 @'earing 5lange"

cl*sed

Assembly unit 7 @'earing 5lange"

sa5t

Bexag*n scre< 5itting @20" 21" 22

Pump *using

; 3*luti*ns

12

11/2008

MT 186

7$1


or,sheet 1: page 1? Changing the #loating ring seal

2b@ecti&e? Planning and carrying *ut a cange *5 5l*ating ring seal *n te gear pump#

Exercise: 1# S*ur tas is t* cange cange te 5l*ating ring seal *n te gear pump# 3et *ut y*ur planned met*d in te pre,c*mpiled <*r plan# $se te dra
; 3*luti*ns

129

11/2008

MT 186


or,sheet or,sheet 1: page " or, plan #or gear pump #loating ring seal change *b n*#: +ate: Estimated time reDuired: 9 9 min min

arried *ut by: +ate:

%*# perati*n:

T**ls

+ismantling


1

**sen exa **sen exag*n g*n scre scre @1> and spri spring ng
2

em*! em *!e e seat seat rin ring g @ @ 5r* 5r*m m dri dri!e !e sa sa5t 5t @9 @9 an and d s*li s*lid d rin ring g @12 @12##

7

em*! em *!e e s*lid s*lid rin ring g @12 @12


em*! em *!e e *u *usin sing g seal seal @1 @1  5r 5r*m *m s*l s*lid id ri rind nd an and d bear bearin ing g 5lan 5lange ge##

9

**s * *sen en scr scre< e< plu plugs gs @; @; and and t
*mbin *mb inat ati* i*n n
6

Tur urn n sa sa5t 5t man manua uall lly y unti untill te te ex exag ag*n *n scr scre< e
Bexag* Bexa g*n n s*cet s*c et
;

are5ully are5u lly sli slide de 5l* 5l*ati ating ng ri ring ng se seal al *u *utt *5 *5 bea bearin ring g 5la 5lange nge
3l*tted 3l*tte d scrre
Assembly 8

3lide te 3lide te 5l*at 5l*ating ing rin ring g seal seal @18 @18 *!e *!err te te sa5t sa5t int int* * te te sa5t sa5t bea bearin ring g 5lang 5lange e @7 @7 until until te exag*n scre< is !isible tr*ug te treaded *le 5*r te scre< plug @;# >

Tigten te scre<
10

3lide 3lid e a *us *using ing seal @1 *nt* eac side *5 te te s*lid s*lid ring ring @12 @12##

11

3lide 3lid e te s*lid s*lid ring ring @12 @12 *!er *!er te te sa5t sa5t against against te te sa5t sa5t bearing bearing 5lan 5lange ge @7# @7#

12

3lide te seat 3lide seat ring ring @ @ *!er *!er te sa5t sa5t and and s*lid s*lid ring ring @12 @12 agains againstt te beari bearing ng 5lange 5lange @7#

Bexag*n s*cet
17 3cre 3cre< < te te seat seat rin ring g agai agains nstt te te bear bearin ing g 5lan 5lange ge @1> and and spring
*mbin *mb inat ati* i*n n
1 =ind t<* t* tree tree laye layers rs *5 Te5l* e5l*n n tape tape ar*und ar*und te te tread tread *5 te scre scre< < plugs plugs @;# @;#

Te5l*n tape

19 T
*mbinati*n *mbinat i*n
; 3*luti*ns

126

11/2008

MT 186

7$1 7$11


or,s or,she heet et 11: 11: pag page e 1? Par Partt iden identi ti#i #ica cati tion on usi using ng spa spare re par parts ts dra dra'i 'ing ng:: #amiliarity 'ith technical terms 2b@ecti&e? T* assign items 5r*m a spare parts list t* a spare parts dra
8 0 0 2 / 1 1

n a m r y e G

l e t t ( b " s r a '

u a b e t " & r e G

# T # % # $ # G

d e ! r e s e r

/tandard

Item

9uantity

*nit

+ame

Item number 

Comments

1

1

Piece

B*using

MT186#10#01#001

Or%iM*1;,12,2

2

1

Piece


MT186#10#01#002

Or%iM*1;,12,2

7

1

Piece


9

1

Piece

+ri!e sa5t

MT186#10#01#009

MT186#10#01#007

Or%iM*1;,12,2



1

Piece

3eat ring

MT186#10#01#00

Or%iM*1;,12,2

6

1

Piece

+ri!en s sa5t

MT186#10#01#006

Or%iM*1;,12,2

;

2

Piece

3cre< plug

MT186#10#01#00;

Or%iM*1;,12,2

Or%iM*1;,12,2

8

1

Piece

+ri!ing gear

MT186#10#01#008

10



Piece


MT186#10#01#010

Or%iM*1;,12,2

>

1

Piece

+ri!en gear

MT186#10#01#00>

PTCE

11



Piece

*cing pin

MT186#10#01#011

PTCE

12

1

Piece

3*lid ring

MT186#10#01#012

eramic

17



Piece

=ear disc

MT186#10#01#017

PTCE

1

2

Piece

B*using seal

MT186#10#01#01

PTCE

19



Piece

B*using pin

MT186#10#01#019

%ir20uM*

16

2

Piece

,ring

128x2

1;

2

Piece

Ceater ey

#;6x#;6x1#28 0#18;Kx0#18;Kx1#67Q

18

1

Piece

Cl*ating ring seal

1>

2

Piece

Bexag*n scre<

1/K?28x1 BB3

18,833T

20



Piece

Bexag*n nut

1/?20

18,833T

21



Piece

Bexag*n scre<

1/?20x7 7/

18,833T

22

6

Piece

3pring
1/K 18?833T

18,833T

27



Piece

3nap ring

+-% ;>>7?A16

PTCE

"

t  g s i r

l l A

3pare parts list

; 3*luti*ns

12;

11/2008

MT 186


or,sheet 11: page "


8 1 0 1

7 1

6 1

; 1

>

7 2

6

3pare parts dra
; 3*luti*ns

128

11/2008

MT 186

7$1"


or,sheet 1": page 1? /pare parts ordering

2b@ecti&e? -denti5ying tecnical data 5*r clear spare parts *rdering#

!xercise? S*u are g*ing t* carry *ut a repair" and need spare parts 5*r y*ur gear pump#

3elect tree parts y*u suspect are <*rn# %*te te tecnical in5*rmati*n 5*r tese tree parts tat is necessary 5*r a clear spare parts *rder# 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

$se te d*cuments pr*!ided#

3pare parts *rder 5*r pump: Type: iDui5l* 3erial n*#: 79199,1,2 3pare part: 1 x Cl*ating ring seal -tem 18 1 x 3*lid ring -tem 12 2 x B*using seal -tem 1

; 3*luti*ns

12>

11/2008

MT 186

8 A


Index

Assembly stage 1 ? 'earing 5lange" cl*sed # # # # # # # # # # # # # # # # # # Assembly stage 2 ? B*using # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # Assembly stage 7 ? 'earing 5lange" sa5t # # # # # # # # # # # # # # # # # # # # Assembly stage 8 ? +ri!en sa5t sa5t # # # # # # # # # # # # # # # # # # # # # # # # # # # Assembly stage 9 ? +ri!e sa5t sa5t # # # # # # # # # # # # # # # # # # # # # # # # # # # # Assembly stage 6 ? 6 ? B*using # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # Assembly stage ; ? Cl*ating ring seal # # # # # # # # # # # # # # # # # # # # # # 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

97" ;; 97";; 99" ;6 9;";6 9;" ;6 9>" ;9 61" ;9 67" ; 68";7 68" ;7

C a!itati*n # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 26 entri5ugal pump # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 6" 8" 2> entri5ugal pump" multi,stage # # # # # # # # # # # # # # # # # # # # # # # # # # # # 6" >" 2> aracteristic cur!e" pump # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 19 aracteristic cur!e" system # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 16

% +iapragm pump # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 9" 11" 70 +ynamic seals # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 76

> Cl*ating ring seal # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 7>" 8 ) Gear pump # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 9"1" 9"1" 72" 6" 92 Gear pump dimensi*ns # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # > Gear pump spare parts dra = Bead # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 19

8 -ndex

170

11/2008

MT 186


I -nline centri5ugal pump # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 6" 17" 71 -nspecti*n # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 27 -ntae caracteristics # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 21 M Maintenance # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 27 Multi,5l*< pump # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 20 Multiple,stage pump # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 20 Multi,stage centri5ugal pump # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 6" >" 2> 8 0 0 2 / 1 1 y n a m r e G " l e t t ( b s r a ' " u a b e t & r e G # T # % # $ # G " d e ! r e s e r s t  g i r l l A

2 perating p*int # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 1; P Pacing gland # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 7; Parallel c*n5igurati*n # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 20 Pist*n pump # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 9"12" 9"12" 71 Pist*n r*d seal # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 76" 1 Pist*n seal # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 2 P*siti!e,displacement pump # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 9" 1 Pump caracteristic cur!e # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 19 Pump" multi,5l*< # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 20 Pump" multi,stage # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 20 5 epairs # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 27" 7 estricti*n # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 18 / 3cre< pump # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 9" 10" 70 3eals" dynamic # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 76 3eals" 5l*ating ring seal # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 7>" 8 3eals" pacing gland # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 7; 3eals" static # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 7 3eries c*n5igurati*n # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 20 3er!icing # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 27 3pare parts *rdering # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #  3tandard centri5ugal pump # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 8

8 -ndex

171

11/2008

MT 186


3tatic seals # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 7 3ystem caracteristic cur!e # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 16  )al!es in pumps # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 7


8 -ndex

172

11/2008

MT 186

B


> +ra

%ra'ings +ame

%ra'ing number

Assembly dra
MT186#00#01#000 MT186#00#01#000

Parts list

MT186#00#01#0003

B*using

MT186#10#01#001


MT186#10#01#002


MT186#10#01#007

3eat ring

MT186#10#01#00

+ri!e sa5t

MT186#10#01#009

+ri!en sa5t

MT186#10#01#006

3cre< plug

MT186#10#01#00;

+ri!ing gear

MT186#10#01#008

+ri!en gear

MT186#10#01#00>


MT186#10#01#010

*cing pin

MT186#10#01#011

3*lid ring

MT186#10#01#012

=ear disc

MT186#10#01#017

B*using seal

MT186#10#01#01

B*using pin

MT186#10#01#019

177

MT186e - V1.2 en

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