HW19710T Series Transmission
Operation Instruction
CHINA NATIONAL HEAVY DUTY TRUCK GROUP CORP., LTD. CNHTC!
Preface It too" #eca#es $or CHINA NATIONAL HEAVY DUTY TRUCK GROUP CORP., LTD. CNHTC! to #e%e&op a ne' (eneration o$ H)*+*-T eries Trans/ission '0ic0 is specia&&1 use# $or 0ea%12#ut1 truc". CHINA NATIONAL HEAVY DUTY TRUCK GROUP CORP., LTD. CNHTC! 0as a co/p&ete&1 in#epen#ent inte&&ectua& propert1 ri(0ts a3out t0is series o$ trans/ission. T0e /ain (ear3o4 o$ H)*+*-T Trans/ission a#opts sin(&e inter/e#iate s0a$t, $u&& s1nc0ro/es0 structure5 t0e au4i&iar1 (ear3o4 a#opts p&anetar1 re#uction /ec0anis/, '0ic0 0a%e resu&te# in (reater &oa# carr1in( capacit1, an# structure re&ia3i&it1. Inte(rate# s/a&& co%er /a"es t0e (ears c&ear, an# (ear2s0i$tin( $&e4i3&e. At present, t0is series trans/ission is app&ica3&e to t0e en(ine o$ 0ea%12#ut1 %e0ic&e 'it0 t0e po'er ran(e $ro/ 667 to 89- 0p. It is t0e top c0oice $or t0e #o/estic 0ea%12 #ut1 truc".
A&& cop1ri(0ts on t0is Operation Instruction reser%e# to CHINA NATIONAL HEAVY DUTY TRUCK GROUP CORP., LTD. CNHTC!, an# it 0as a $ina& e4p&anation. P&ease consu&t t0e &atest %ersion o$ t0e Operation Instruction at an1 ti/e. It is su3:ect to c0an(e 'it0out prior notice.
Warning
◆
In or#er to a%oi# in#i%i#ua& in:ur1 or causin( $au&t an# #a/a(e to t0e e;uip/ent, p&ease operate t0e trans/ission accor#in( to t0e #esi(nate# proce#ure5
◆
◆
◆
)0en par"in( or &ea%in( t0e ca3, p&ace t0e s0i$t &e%er in neutra&, an# use 0an# 3ra"e5
◆ Ne%er re&ease t0e 0an# 3ra"e to s0i$t a (ear '0en t0e pressure o$ t0e %e0ic&e #oes not increase to t0e correct &e%e&5
◆ Ne%er /a"e t0e %e0ic&e s&i#e too &on( '0en t0e trans/ission is in neutra&5 ◆
)0en operatin( po'er ta"e2o$$ 0ereina$ter re$erre# to as >PTO?!, i//e#iate&1 #epress t0e c&utc0 pe#a& to t0e $&oor a$ter pressin( t0e PTO s'itc0, a$ter a '0i&e, re&ease it a$ter t0e PTO 'or"s proper&1.
I.
Main Parameters of HW19710T Series Transmission @a4i/u/ input tor;ue H)*+*-T *+--N/ H)*+*-TC 9*--N/ @a4i/u/ input spee# 97--rp/ @o#e&
Gear3o4 ratios *
9
6
8
B
7
+
H)*+*-T
7 6 . 8 *
7 7 . *
B , C . ,
9 C . B
C 6 . 8
C 9 . 6
8 , . 9
C . *
6 6 . *
. *
* . 8 *
9 . 6
H)*+*-TC
+ , . *
* . C
9 + . B
C 6 . 8
+ 9 . 6
, 8 . 9
6 C . *
B 6 . *
. *
B , . -
6 B . *
* 8 . 9
R*
R9
ue& c0ar(e *BL（*B.BL） O%era&& &en(t0 *-6-//
@ass 86-"( Note *.
*-
Lu3ricant an# c&utc0 re&ease #e%ice are not inc&u#e# in t0e /ass5
9.
Len(t0 re$ers to en# $ace o$ $ront e#(e o$ t0e c&utc0 to t0e en# $ace o$ output $&an(e5
6.
T0e $ue& c0ar(e in t0e 3rac"ets is t0e $ue& /ass '0en a##in( t0e PTO.
Model of PTO
Gear ratio
H)*+*-T
H)*+*-TC
HW50-01
0.9!
0."9!
HW70-01
0.9!#
0.71$
II. %&m'ering (&le H) *+
*-
T
C O%er(ear It is #irect (ear i$ t0ere is on t0is position! 1nc0ronier Nu/3er o$ $or'ar# (ear eria& No., 0ea%12#ut1 trans/ission series *F o$ t0e tor;ue, use **- i$ &ess t0an 6 #i(its
III. Main Sectional )ie* of HW19710T Transmission +ssem'l,
ig&re. 1
/ternal onnection imension ig&re of HW19710 Transmission
i(ure. 9 I). Mec2anism iagram of HW19710T Transmission and (o&te iagram of Po*er Transmission
Gears
i(ure. 6
).
Str&ct&re of HW19710 Series Transmission
H)*+*-T series trans/ission is co/pose# o$ t'o2sta(e structure, i.e. /ain (ear3o4 an# au4i&iar1 (ear3o4. T0ere are B $or'ar# (ears in t0e /ain (ear3o4, an# 9 (ears in t0e au4i&iar1 (ear3o4. A&to(et0er constitutes o$ *- $or'ar# (ears an# 9 re%erse (ears. *.
tructure o$ @ainAu4i&iar1 Gear3o4 o$ H)*+*-T eries Trans/ission @ain (ear3o4 o$ H)*+*-T series trans/ission a#opts sin(&e inter/e#iate s0a$t, a&& s1nc0ro/es0 structure5 t0e au4i&iar1 a#opts p&anetar1 re#uction /ec0anis/. T0e po'er is input %ia input s0a$t, an# t0en trans$erre# t0rou(0 inter/e#iate s0a$t, $ina&&1 output t0rou(0 p&anetar1 re#uction /ec0anis/ o$ au4i&iar1 (ear3o4. T0e (ears in t0e /ain (ear3o4 a#opt &ar(e /o#u&e an# a&& 0e&ica& (ear #esi(n, 'it0 0i(0 coe$$icient o$ contact ratio. A&& t0e (ears a#opt $orce# s0ot2peenin(. T0is can (reat&1 en0ance t0e 3en#in( stress o$ t0e (ears. Due to a#optin( o$ sin(&e inter/e#iate s0a$t, it is not necessar1 to a&i(n t0e teet0 #urin( asse/3&in(. T0e au4i&iar1 (ear3o4 a#opts p&anetar1 re#uction /ec0anis/, '0ose stron( points are trans/ission o$ &ar(e tor;ue, 'i#e ran(e o$ (ear ratio, &on( ser%ice &i$e an# co/pact structure. An# '0en t0e au4i&iar1 (ear3o4 is in 0i(0 (ear, t0e entiret1 o$ p&anetar1 /ec0anis/ re%o&%es aroun# t0e s0a$t center. T0e p&anetar1 (ears are on&1 'it0 re%o&ution, 'it0out rotation, at t0is ti/e, t0e trans/ission e$$icienc1 o$ t0e p&anetar1 /ec0anis/ is a&/ost *--F, 'it0 &ess oi& /i4in( &oss.
9.
Gear2s0i$tin( @ec0anis/ o$ 1nc0ronier T0e $irst, secon# an# t0ir# spee# (ear in t0e /ain (ear3o4 an# rear au4i&iar1 (ear3o4 o$ H)*+*-T series trans/ission a#opt #ou3&e2cone &oc" rin( s1nc0ronier, t0e $ourt0 an# $i$t0 (ear a#opt sin(&e2cone &oc" rin( s 1nc0ronier, t0e structure is s0o'n in i(ure. 8. It is co/pose# o$ t0e $o&&o'in( parts
*2
1nc0ronie# (ear
92
1nc0ronous conica& rin(
62
Loc"in( piece seat o$ s1nc0ronier
82
Loc"in( piece o$ s1nc0ronier
B2
Loc"in( piece s1nc0ronier
72
Gear s&ee%e
2
Toot0 0o&#er
sprin(
o$
i(ure. 8
In or#er to re#uce trans/ission noise o$ t0e %e0ic&e an# $ue& consu/ption per *-- "/, e&i/inate (ear2s0i$tin( i/pact, pro&on( t0e ser%ice &i$e o$ (ear an# po'er train s1ste/, an# s0i$t a (ear s/oot0&1 an# ;uic"&1, a&& a#opt s1nc0ronier structure e4cept re%erse (ear. 6.
Operatin( @ec0anis/ H)*+*-T series trans/ission is re/ote2contro&&e#, 'it0 t'o t1pes, i.e. sin(&e2 &e%er contro& an# #ou3&e2&e%er 3ut sin(&e contro&. T0e /ain (ear3o4 is /anua& operation, an# t0e rear au4i&iar1 (ear3o4 is air contro&. i(ure 7 is Location P&an o$ Gear2s0i$tin( Han#&e, an# i(ure is Gear2s0i$tin( Han#&e Dia(ra/. )0en pre2se&ector %a&%e o$ 0an#&e is in t0e position o$ L, 1ou cou&# s0i$t to *2 926282B2R* (ear5 an# '0en in t0e position o$ L, 1ou cou&# s0i$t to 7222+2*-2 R9 (ear.
i(ure. 7 8.
i(ure.
Air2contro&&e# 1ste/ Air supp&1 is 3i$urcate co/presse# air -. ～ -.@pa! $ro/ t0e $inis0e# %e0ic&e. Air Passa(e Dia(ra/ o$ Contro& @ec0anis/ is as s0o'n in i(ure )0en t0e (ear2s0i$tin( 0an#&e is in t0e position o$ L, one air supp&1, i.e. co/presse# air, (oes t0rou(0 o$ (ear2s0i$tin( 0an#&e to P, an# t0en enter into &oc"up %a&%e c1&in#er 85 si/u&taneous&1, t0e ot0er air supp&1 o$ t0e $inis0e# %e0ic&e enters into Va&%e H %ia Port *, an# enters into t0e &o'er port o$ RANGE
GEAR c1&in#er o$ t0e trans/ission t0rou(0 Port 9 o$ #ou3&e2H %a&%e, t0e au4i&iar1 (ear3o4 s'itc0es to &o' (ear t0e c1&in#er is in a con#ition o$ constant %enti&ation!. )0en t0e (ear2s0i$tin( 0an#&e is in t0e position o$ H, t0ere is no co/presse# air enterin( into &oc"up %a&%e c1&in#er 85 t0e co/presse# air enters into #ou3&e2H %a&%e t0rou(0 Port *, an# enters into t0e upper port o$ RANGE GEAR c1&in#er o$ t0e trans/ission t0rou(0 Port 6 o$ #ou3&e2H %a&%e, t0e au4i&iar1 (ear3o4 s'itc0es to 0i(0 (ear t0e c1&in#er is in a con#ition o$ constant %enti&ation!. %ote3 Onl, *2en it is in ne&tral4 2ig2lo* gear s*itc2 of gear-s2ifting 2andle *or6s. Neutra& sensor
Hi(0 (ear ran(e to &o'er port o$ RANGE GEAR c1&in#er o$ t0e trans/ission
to upper port o$ RANGE GEAR Lo' (ear ran(e c1&in#er o$ t0e trans/ission
Re# <&ac"
i(ure. B.
PTO @ec0anis/ H)*+*-T series trans/ission a#opts po'er ta"e2o$$ o$ counter s0a$t in t0e /ain (ear3o4, 3ein( rear po'er ta"e2o$$, '0ose #irection o$ output turnin( is t0e sa/e as t0at o$ en(ine. T0e PTO co//unicates 'it0 t0e inner c0a/3er o$ t0e trans/ission, a#optin( co/pu&sor1 &u3rication, an# no necessar1 to a##itiona&&1 $i&& &u3ricant. At present, t0e /atc0in( PTOs are H)B-2-* series an# H)-2-* series.
7.
Lu3rication 1ste/ o$ t0e Trans/ission H)*+*-T series trans/ission a#opts co/pu&sor1 &u3rication, sp&as0 &u3rication, spra1in( &u3rication o$ oi&2sp&as0in( pipe. Co/pu&sor1 &u3rication pu/p 'it0 0ea%1 $&o' $&o's to eac0 part to /a"e t0e (ears, s1nc0ronier an# 3earin( &u3ricate su$$icient&1. Oi& $i&ter is insta&&e# on t0e outsi#e o$ t0e
trans/ission, /a"in( sure t0at t0e &u3ricant is c&ean. In a##ition, oi& coo&er inter$ace is &e$t on t0e trans/ission 0ousin(. Oi& coo&er is optiona&. Oi&2sp&as0in( pipe
E4terna& connection to oi& coo&er inter$ace
Oi& $i&ter
i(ure. ** ).
isassem'ling and +ssem'ling of HW19710T Series Transmission
P&ease see >@aintenance @anua&? co/pi&e# an# pu3&is0e# 31 our co/pan1 $or #isasse/3&in( an# asse/3&in( o$ H)*+*-T series trans/ission. )I.
Maintenance and Preca&tions for HW19710T Series Transmission
i!
Operatin( Re;uire/ents It is %er1 i/portant to operate t0e trans/ission correct&1 an# reasona3&1, an# /aintain it re(u&ar&1, '0ic0 'i&& (uarantee t0e %e0ic&e runnin( re&ia3&1 an# e4ten# its ser%ice &i$e. P&ease co/p&1 'it0 t0e $o&&o'in( re;uire/ents
*.
Lu3ricant
9.
Correct Oi& Le%e&. @a"e sure t0at t0e oi& &e%e& s0a&& para&&e& to t0e si(0t (&ass. C0ec" t0e oi& &e%e& t0rou(0 t0e si(0t (&ass at t0e si#e o$ t0e trans/ission 0ousin(. T0e oi& &e%e& s0a&& 3e correct :ust '0en t0e o%er$&o'in( occurs on t0e port. Oi& c0ar(e s0a&& 3e a3out *BL（*B.BL '0en a##in( PTO ）.
6.
Inspection o$ Oi& Le%e& C0ec" t0e oi& &e%e& re(u&ar&1. T0e %e0ic&e s0a&& stop on t0e &e%e& roa# '0en c0ec"in( t0e oi& &e%e&. Due to %o&u/e e4pansion o$ t0e 0ot oi&, 1ou cannot i//e#iate&1 c0ec" t0e oi& &e%e& :ust a$ter t0e runnin( o$ t0e %e0ic&e in or#er to /easure it correct&1. You can c0ec" it '0en t0e oi& &e%e& is stea#1 an# t0e oi& is a &itt&e 3it coo&.
8.
Rep&enis0 t0e Lu3ricant
In or#er to pre%ent c0e/ica& reaction 3et'een #i$$erent t1pes o$ &u3ricant, '0en rep&enis0in( t0e &u3ricant, /a"e sure t0at '0at $i&&e# s0a&& 3e o$ t0e sa/e as t0e ori(ina&. B.
Oi& C0an(in( Perio# )0en c0an(in( t0e &u3ricant, pri/ari&1, #rain t0e ori(ina& &u3ricant, an# c&ean t0e $i&ter screen asse/3&1. It is necessar1 to c0an(e t0e &u3ricant a$ter t0e ne' trans/ission 0as run 9--to B--- K/. C0ec" oi& &e%e& an# &ea"a(e $or ser%ice e%er1 *---- K/, rep&enis0 it i$ necessar1, an# c&ean t0e $i&ter screen asse/3&1. C0an(e t0e &u3ricant an# $i&ter asse/3&1 $or ser%ice e%er1 6---- K/ or $i&ter cartri#(e!.
7.
Grease i&&in( Re;uire/ents $or C&utc0 Re&ease 1ste/ Pus02t1pe c&utc0 re&ease 3earin( s&i#es on t0e support $ace o$ t0e input s0a$t to rea&ie en(a(e/ent an# #isen(a(e/ent o$ t0e c&utc0. It is necessar1 to $i&& &it0iu/ (rease 3et'een /atc0in( sur$aces. T0ere is a /etric taper t0rea# (rease no&e at t0e si#e o$ t0e $ront 0ousin( o$ t0e trans/ission. i&& &it0iu/ (rease $or ser%ice e%er1 *---- "/. Open t0e &o'er co%er 3oar# o$ t0e $ront 0ousin(, $i&& t0e (rease unti& 1ou can see t0at t0e (rease cou&# 3e s;ueee# out $ro/ t0e 3ot0 en#s o$ t0e re&easin( 3earin(. I$ t0ere in no &u3rication 0ose at t0e si#e o$ t0e $ront 0ousin( o$ t0e trans/ission, '0at t0e trans/ission use# is pu&&2t1pe c&utc0 re&ease 3earin(. It is not necessar1 to $i&& (rease.
.
)or"in( Te/perature Durin( continuous 'or"in( o$ t0e trans/ission, t0e /a4i/u/ te/perature s0a&& not 3e /ore t0an*9- ℃, an# t0e /in. s0a&& not 3e &o'er t0an 28- ℃. )0en t0e 'or"in( te/perature e4cee#s *9- ℃, t0e &u3ricant 'i&& #eco/pose, an# t0at 'i&& s0orten t0e ser%ice &i$e o$ t0e trans/ission. An1 one o$ t0e $o&&o'in( con#itions 'i&& cause t0e 'or"in( te/perature o$ t0e trans/ission o%er *9-℃
.
*
Operate continuous&1 at t0e runnin( spee# o$ &ess t0an 69"/0.
9
Hi(0 en(ine spee#.
6
Hi(0 a/3ient te/perature.
8
E##1 current surroun#s t0e trans/ission.
B
E40aust s1ste/ is too c&ose to t0e trans/ission.
7
O%er2spee# runnin( 'it0 0i(0 po'er.
Ti&t An(&e o$ Operatin( T0e &u3rication /a1 3e insu$$icient i$ t0e ti&t an(&e o$ trans/ission operation. Ti&t an(&e o$ operatin( is e;ua& to t0at insta&&ation an(&e 3et'een t0e
trans/ission an# t0e c0assis p&us s&ope an(e&!. +.
To'in( or &i#in( Do not coast 'it0 t0e trans/ission in neutra& '0en t0e c&utc0 pe#a& is #epresse#5 I$ it is necessar1 to to' t0e %e0ic&e, 1ou can pu&& out 0a&$ a s0a$t or uncoup&e #ri%e s0a$t, an# a&so 1ou can /a"e t0e #ri%in( (ear to'e# a'a1 t0e (roun#.
*-.
It is strict&1 $or3i##en t0at t0e trans/ission s0i$ts $ro/ 0i(0 (ear ran(e to &o' (ear ran(e '0en t0e spee# e4cee#s 97"/0.
9!
Precautions
*.
T0e s1nc0ronier is a trans/ission5 t0us, '0en s0i$tin( a (ear, t0e c&utc0 s0a&& 3e in t0orou(0&1 separate# con#ition, an# on&1 one step on t0e pe#a&, t0e s0i$t &e%er cou&# 3e s0i$te# in p&ace. Ne%er a&&o's to s0i$t (ears i$ t0e c&utc0 is not in t0orou(0&1 separate# con#ition5 ot0er'ise, t0e s1nc0ronier 'i&& 3e #a/a(e#.
9.
)0en 0an#&e 3a&& o$ H)*+*-T trans/ission s'itc0es 3et'een &o' an# 0i(0 (ears, 1ou s0a&& conscious&1 stop $or a '0i&e to 3e (oo# $or au4i&iar1 (ear3o4 o$ RANGE GEAR s'itc0in( $ro/ 0i(0 (ear to &o' (ear s/oot0&1.
6.
Accor#in( to t0e roa# con#ition $or $inis0e# %e0ic&e, t0e %e0ic&e s0a&& start o$$ in $irst or secon# spee# (ear.
8.
It uses conica& ro&&er 3earin( in t0e s0a$t support o$ t0e trans/ission. )0en asse/3&in( t0e conica& ro&&er 3earin( in#oors, p&ease &ea%e so/e pre2ti(0tenin( $orce. T0e a#:ust/ent o$ t0e pre2ti(0tenin( $orce co/p&ies 'it0 @aintenance @anua&.
B.
T0ere are 9 oi&2#rain p&u(s an# 9 oi& &e%e& p&u(s in t0e trans/ission. )0en c0an(in( t0e oi&, p&ease par" t0e $inis0e# %e0ic&e in t0e 0orionta& position, $i&& t0e oi& $ro/ t'o oi& &e%e& ports, si/u&taneous&1, c0ec" t0e oi& &e%e&.
7.
T0e trans/ission cou&# asse/3&e &u3ricant coo&er. )0en asse/3&in(, t0e &u3ricant coo&er s0a&& 3e $i&&e# 'it0 t0e &u3ricant.
.
i&ter is t0e stan#ar# e;uip/ent. C0an(e t0e $i&ter cartri#(e irre(u&ar&1 accor#in( to t0e ser%ice con#ition o$ t0e $inis0e# %e0ic&e.
.
I$ t0e trans/ission is $oun# 'it0 a3nor/a& noise, /es0in( $ro/ #is&ocatin(, out o$ contro& or 0ea%iness #urin( use, 1ou s0a&& i//e#iate&1 stop t0e %e0ic&e to c0ec" it. T0e %e0ic&e cou&# continue runnin( a$ter trou3&es0ootin(.
+.
Durin( t0e perio# o$ >T0ree Guarantees?, t0e user s0a&& not #is/ant&e, asse/3&e or /o#i$1 it 31 0i/.
T0is @anua& is co/pi&e# 31 Tec0nica& Center, C0ina Nationa& Hea%12#ut1 Truc" Group Daton( Gear Co., Lt#. A##. No. * Jin"ai3ei Roa# Daton(, 0an4i Pro%ince Te&.-6B9298*76B9 、98*76B6 a4 -6B9298*7888 Post co#e -6--7 ree er%ice Hot&ine ---799- )e3site 0ttp'''.#c(roup.co/.cn E/ai&#c7-#c(roup.co/.cn Notice T0e 'or#s, pictures an# para/eters are on&1 $or re$erence.
