Title page
MTU Maintenance Hannover
CFM56-7B
General Familiarization © MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization -1-
MTU Maintenance Hannover
Conte nts
1 2
3
4
5 6
Engine General
7
72-00-00
Fan Major Module 17 1 Fan and booster module 20 2 No.1 and No.2 bearing support module36 3 Inlet gearbox and No.3 bearing module50 4 Fan frame module 54
72-00-01
Core Engine Major Module 67 High Pressure Compressor (HPC) 5 Compressor rotor assembly 72 6 Compressor front stator assembly 80 Compressor rear stator assembly 7 86 Combustion section 8 Combustion case 92 9 Combustion chamber module 96 High Pressure Turbine (HPT) 1 HPT nozzle module 102 0 1 HPT rotor module 106 1 1 HPT shroud and stage 1 LPT nozzle 2module
72-00-02
Low Pressure Turbine Major Module 123 1 LPT rotor/stator module 126 3 1 LPT shaft module 138 4 1 LPT rear frame module 146 5
72-00-03
Accessory Drive Module 1 Transfer gearbox module 61 Accessory gearbox module 7
155 156 164
72-60-00
Appendix
167
72-21-00 72-22-00 72-61-00 72-23-00
For details about the module numbering system please refer to the “Modular Design Drawing”.
72-30-00 72-31-00 72-32-00 72-33-00 72-40-00 72-41-00 72-42-00 72-50-00 72-51-00 72-52-00 124 72-53-00 72-54-00 72-55-00 72-56-00 72-62-00 72-63-00
12/04
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization -5-
MTU Maintenance Hannover
Copyright This publication is for training purposes only. For authorized maintenance practices and specifications consult the appropriate maintenance publications. These course notes were compiled using following document.
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization -6-
MTU Maintenance Hannover
1
Engine General
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization -7-
MTU Maintenance Hannover
CFM International organisation
Customer GE: Americas Australia Asia
Service Areas: SNECMA: Africa Europe Russia India/Pakistan Middle East
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization -9-
MTU Maintenance Hannover
CFM56-7B technical data CFM56-7B18
www.cfm56.com -7B20
-7B22
-7B24
-7B26
-7B27 V2527
19,500
20,600
22,700
24,200
26,300
27,300 26,800
677
696
728
751
779
782
805
5.5
5.5
5.3
5.3
5.1
5.1
4.8
Take-off conditions (sea level) Max. takeoff (lb) Airflow (lb/sec) Bypass ratio
In-flight performance (installed, 35 000 ft, Mach=0.80 - ISA) Max. climb thrust (lb)
5,962
5,962
5,962
5,962
5,962
5,962
Overall pressure ratio at max. Climb 32.8
32.8
32.8
32.8
32.8
32.8
5,420
5,450
5,450
5,480
5,480
5,480
Engine characteristics Length (in)
98.7
98.7
98.7
98.7
98.7
98.7
126
Fan diameter (in)
61.0
61.0
61.0
61.0
61.0
61.0
5,216
5,216
5,216
5,216
5,216
5,216
63.5 5,30 0
737-600
737-600 737-700
737-600 737-700
737-700 737-800 737-900 C40A
737-800 737-900 BBJ Combi
737-800 737-900 BBJ
Max. cruise thrust (lb)
Basic dry weight (lb) Applications Boeing NG series
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 10 -
27.4
A32 0
MTU Maintenance Hannover
CFM56-7B main characteristics Type of engine
Turbofan
Performance
Arrangement
Two spool axial flow
• Take-off thrust (SLS)
*19500 - 27300 lbs
Rotation
Clockwise (ALF)
*86/30
Compressors Fan LP Compressor HP Compressor
• Take-off flat rated Temperature °F/°C
Single stage Four stages Nine stages
• Max climb thrust
*5962 Ibs
• By-pass ratio
*5.1:1 to 5.5:1
• EGT red line
950°C
Combustion chamber Annular SAC (option DAC) Turbines HP Turbine LP Turbine
Single stage Four stages
Overall dimensions Length Height Width
2.51m (98.72 ins) 1.83m (72.00 ins) 2.12m (83.40 ins)
• 100% N1 (Low Pressure 5,175 rpm Rotational Speed) • N1 speed limit (red line) 104% • 100% N2 (High Pressure 14,460 rpm Rotational Speed) • N2 speed limit (red line) 105% *figures depend on engine model
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 11 -
MTU Maintenance Hannover
Engine general concept
Fan frame LPT rear frame
N1
N2 #1
#2
#3
#4 #5
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 13 -
MTU Maintenance Hannover
Main engine bearings Core Engine Major Module
Fan Major Module
LPT Major Module
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 15 -
MTU Maintenance Hannover
Aerodynamic stations
#
Location
Probe
12 13 15 2 23 24 25 3 41 495 5
Fan inlet secondary T12 Fan OGV discharge Ps13 Fan Frame discharge --Fan inlet primary --Booster discharge --Booster VBV discharge--HPC inlet T25, P25 HPC discharge Ps30 HPT inlet --LPT stator - 2nd stage EGT LPT discharge T50
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 16 -
MTU Maintenance Hannover
2
Fan Major Module
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 17 -
MTU Maintenance Hannover
Fan major module
72-00-01
4
1
3 2
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 19 -
MTU Maintenance Hannover
1
Fan and booster module
72-21-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 21 -
MTU Maintenance Hannover
1
Spinner front cone / Spinner rear cone
72-21-00
36 locations
Spinner front cone
Spinner rear cone
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 23 -
MTU Maintenance Hannover
1
Fan blade installation
72-21-00
Retainer lug
(24)
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 25 -
MTU Maintenance Hannover
1
Fan blade installation
72-21-00
Pin on the booster spool Pin on the fan retaining flange
Pin on the fan disk
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 27 -
MTU Maintenance Hannover
1
Fan disk
72-21-00
© MTU Maintenance Hannover GmbH
Technical Training
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CFM56-7B CFM56-7B General General Familiarization Familiarization - 29 -
MTU Maintenance Hannover
1
Booster rotor
72-21-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 31 -
MTU Maintenance Hannover
1
Booster stator vane assembly
72-21-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 33 -
MTU Maintenance Hannover
Booster stator vane assembly - borescope inspection
72-21-
00
4:00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 35 -
MTU Maintenance Hannover
2
No.1 and No.2 bearing support module
72-22-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 37 -
MTU Maintenance Hannover
2
No.1 bearing support / Forward stationary air-oil seal
72-22-
00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 39 -
MTU Maintenance Hannover
2
External piping on the No.1 bearing support
72-22-00
3:30 / 8:30 /11:30
5:00
6:00 © MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 41 -
MTU Maintenance Hannover
2
No.1 bearing
72-22-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 43 -
MTU Maintenance Hannover
2
No.2 bearing support / No.2 bearing
72-22-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 45 -
MTU Maintenance Hannover
2
Fan shaft / N1 speed sensor wheel
72-22-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 47 -
MTU Maintenance Hannover
2
Oil manifold assembly / Air-oil separator
72-22-00
(2) 3:00 & 9:00 IGB
(1)
Condensation of oil
restrictor © MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 49 -
MTU Maintenance Hannover
3
Horizontal and radial bevel gear
72-61-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 51 -
MTU Maintenance Hannover
3
No.3 bearing / Rotating air-oil seal
72-61-00
Rotating air/oil seal
Oil drain
Booster discharge air
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 53 -
MTU Maintenance Hannover
4
Fan frame module
72-23-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 55 -
MTU Maintenance Hannover
4
Containment case / Outlet Guide Vane (OGV) assembly
72-23-
00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 57 -
MTU Maintenance Hannover
4
Fan frame assembly
72-23-00
* * 9:00 Radial drive shaft housing
* * Sub-modules of “12-strut hub” © MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 59 -
MTU Maintenance Hannover
4
Fan frame shroud
72-23-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 61 -
MTU Maintenance Hannover
4
12-strut hub
72-23-00
#12 #1
#11
#10
#2
Thrust bars attachment #3
#9 #4 #8 #5 #7
#6
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 63 -
MTU Maintenance Hannover
4
Radial drive shaft housing
72-23-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 65 -
MTU Maintenance Hannover
3
Core Engine Major Module
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 67 -
MTU Maintenance Hannover
Core engine major module
72-00-02 8
7
6
5
1 0
9
1 1
1 2
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 69 -
MTU Maintenance Hannover
High Pressure Compressor (HPC)
72-30-00
6
9th stage bleed air 4th stage bleed air
5th stage bleed air
5 7
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 71 -
MTU Maintenance Hannover
5
Compressor rotor assembly
72-31-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 73 -
MTU Maintenance Hannover
5
Stage 1-2 spool / HPC rotor shaft / Stage 3 disk
72-31-00
Stage 4-9 spool
Stage 1-2 spool
HPC rotor shaft
Stage 3 disk
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 75 -
MTU Maintenance Hannover
5
Stage 4-9 spool / Rear rotating air seal
72-31-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 77 -
MTU Maintenance Hannover
5
Blade retention
72-31-00
stiffener
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 79 -
MTU Maintenance Hannover
6
Compressor front stator assembly
72-32-00
(3)
(St.5) Customer (St.4) bleed HPT ACC LPT cooling
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 81 -
MTU Maintenance Hannover
6
VSV actuation system
72-32-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 85 -
MTU Maintenance Hannover
7
Compressor rear stator assembly
72-33-00
5th stage air
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 87 -
MTU Maintenance Hannover
HPC - borescope inspection
72-33-00
5:00
© MTU Maintenance Hannover GmbH
Technical Training
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CFM56-7B CFM56-7B General General Familiarization Familiarization - 89 -
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Combustion section
72-40-00
© MTU Maintenance Hannover GmbH
Technical Training
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CFM56-7B CFM56-7B General General Familiarization Familiarization - 91 -
MTU Maintenance Hannover
8
Combustion case
72-41-00 HPC Stage 4/9
(4) HPC Stage 4
4:00 & 8:00 © MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 93 -
MTU Maintenance Hannover
9
Combustion chamber module
72-42-00
For centering of the outer liner
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 95 -
MTU Maintenance Hannover
9
Outer and inner cowls / Outer and inner liners
72-42-00
1 or 3 (120° apart)
Dilution holes © MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 97 -
MTU Maintenance Hannover
9
Combustion chamber - borescope inspection
72-42-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 99 -
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High Pressure Turbine (HPT)
72-50-00
12
10
11
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 101 -
MTU Maintenance Hannover
1 0
HPT nozzle module
72-51-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 103 -
MTU Maintenance Hannover
1 0
HPT nozzle segments
72-51-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 105 -
MTU Maintenance Hannover
11
HPT rotor module
72-52-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 107 -
MTU Maintenance Hannover
11
HPT rotor design
72-52-00
CDP
Booster discharge bleed air
Booster air
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 109 -
MTU Maintenance Hannover
11
HPT blades
72-52-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B General General Familiarization Familiarization - 111 -
MTU Maintenance Hannover
11
HPT section/LPT stage 1 nozzle - borescope inspection
72-52-
00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 113 -
MTU Maintenance Hannover
12
HPT shroud and stage 1 LPT nozzle
72-53-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 115 -
MTU Maintenance Hannover
12
Air impingement manifold / Shroud-nozzle support assembly 72-53-00
HPTACC
LPT Cooling 5:00 & 8:00
1
2
3
HPTACC
Air impigment manifold HPTACC
Shroud/nozzle support assembly
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 117 -
MTU Maintenance Hannover
12
HPT shroud hangers / HPT shrouds
72-53-00
HPT shroud hangers
HPT shrouds
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 119 -
MTU Maintenance Hannover
12
Stage 1 LPT nozzle segment / Inner and stationary air seals 72-53-00
HPC stage 4 air
HPC stage 4 air
Primary airflow
HPT disk
LPT rotor
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 121 -
MTU Maintenance Hannover
4
Low Pressure Turbine Major Module
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 123 -
MTU Maintenance Hannover
Low Pressure Turbine major module
1 3
72-00-03
1 5
1 4
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 125 -
MTU Maintenance Hannover
13
LPT rotor/stator module
72-54-00
LPT rotor/stator module
LPT stator assembly
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 127 -
MTU Maintenance Hannover
13
LPT case / Air cooling tubes and manifolds assembly
72-54-
00
(6) (8)
(6)
(3) LPT case
Air cooling tubes and manifolds assembly
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 129 -
MTU Maintenance Hannover
13
LPT stages 2 to 4 nozzles
72-54-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 131 -
MTU Maintenance Hannover
13
LPT disks and rotating rings 72-54-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 133 -
MTU Maintenance Hannover
13
LPT stage 2 rotor assembly
72-54-00 Hard coating at 3 blades
Stages 1, 2 and 3 only
Stage 1 & 2 with aluminized coating
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 135 -
MTU Maintenance Hannover
13
Turbine rotor support
72-54-00
LPT stage 2 & 3 disk
LPT shaft hub
Rotor cooling air
Sump pressurization ai
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 137 -
MTU Maintenance Hannover
14
LPT shaft module
72-55-00 Turbine rotor support
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 139 -
MTU Maintenance Hannover
14
Center vent tube
nt Ce
72-55-00
v er
b tu t en
e
) VT C (
e ub t t en v ar Re
CVT
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 141 -
MTU Maintenance Hannover
14
No.4 and No.5 bearingsOil damping 72-55-00 between outer race and adjusting sleeve
HPT rear shaft
No.5 bearing support
LP shaft Emergency bearing
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 143 -
MTU Maintenance Hannover
14
No.4 and No.5 bearings lubrication
72-55-00
centrifugation
Emergency bearing
LP shaft
HPT rear shaft No.5 bearing support
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 145 -
MTU Maintenance Hannover
15
LPT rear frame module
72-56-00
Exhaust nozzle flange
No.5 bearing support flange Exhaust plug flange
LPT case flange
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 147 -
MTU Maintenance Hannover
15
LPT rear frame hub - front side
72-56-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 149 -
MTU Maintenance Hannover
15
LPT rear frame hub - rear side
72-56-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 151 -
MTU Maintenance Hannover
15
LPT major module borescope ports
72-56-00
#1 #2 #3
#4
5:30 / 8:30
5:00 5:00 5:00 © MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 153 -
MTU Maintenance Hannover
5
Accessory Drive Module © MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 155 -
MTU Maintenance Hannover
Accessory drive module
72-60-00
9:00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 157 -
MTU Maintenance Hannover
16
Radial drive shaft (RDS)
72-62-00
Strut No.10
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 159 -
MTU Maintenance Hannover
16
Transfer gearbox (TGB)
72-62-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 161 -
MTU Maintenance Hannover
16
Horizontal Drive Shaft (HDS)
72-62-00
Horizontal drive shaft © MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 163 -
MTU Maintenance Hannover
17
Accessory gearbox housing
72-63-00
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 165 -
MTU Maintenance Hannover
6 Appendix
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 167 -
MTU Maintenance Hannover
Rear sump
Vent seal
Air/oil seal
“Safety seal” Air/oil seal
Vent seal
Vent seal
Forward air/oil seal
No.4 Bearing
No.5 Bearing
Air/oil separator
Rear air/oil seal
© MTU Maintenance Hannover GmbH
Technical Training
For training purposes only
CFM56-7B CFM56-7B GeneralGeneral Familiarization Familiarization - 173 -