(2)  
AMM 71-00-02/401, Power Plant
 (3)  
AMM 71-21-01/401, Forward Engine Mount
 (4)  
AMM 71-21-02/401, Thrust Link Assembly
 (5)  
AMM 71-21-03/401, Aft Engine Mount
 B.  
Access
 (1)  
Location Zones
 506 Engine No. 1
 606 Engine No. 2
 (2)  
Access Panels 5738L/5739R Engine No. 1 - Fan Duct Cowl and Thrust Reverser Halves
 5838L/5839R  Engine No. 2 - Fan Duct Cowl and Thrust Reverser Halves
 C.  Procedure
 S 016-002-C00
 (1)  
Remove the power plant (AMM 71-00-02/401).
S 216-003-C00
 (2)  
Examine the tapered surface of the cone bolts from the forward mount for pits or galling.
 (a)  
If the damage is more than 20 percent of the surface area, replace the cone bolt (AMM 71-21-01/401).
 (b)  
If a single pit extends more than 0.3 inch (7.6 mm) in any direction, replace the cone bolt (AMM 71-21-01/401).
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 71-21-00
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL //////////////////////// 
SEE C 
SEE  A  
SEE  D  
SEE  B 
A  
FWD  FWD 
B  B  FORWARD MOUNT  A  
A 
FAN FRAME FITTING B Engine Mounts Inspection Figure 601 (Sheet 1) 
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. 
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL //////////////////////// 
WEDGE SURFACE (4 LOCATIONS) 
C
 FWD C 
THRUST LINK ASSEMBLY 
C
FORWARD CONE 
1. FAN FRAME
BOLT CONICAL SUPPORT/
SURFACE FAN FRAME SUPPORT BUSHING 
2. FAN FRAME SUPPORT BUSHING/
 BOLT BEARING BALL/ BOLT7. CONE BOLT
4. FAN FRAME SUPPORT BUSHING/ BOLT
5. FORWARD CONE BOLT/
3. FAN FRAME  CONE BOLT 6. CONE BOLT 
 SUPPORT/  BEARING  BEARING/ 
 FAN FRAME  CONE BOLT 
 SUPPORT  BEARING BALL  
BUSHING  
A-A 
HANGAR FITTING 
CONICAL SURFACE
D 
SEE E 
D 
FWD 
AFT MOUNT 
D 
12. FAN FRAME11. FAN FRAME
 FITTING BEARING FITTING BEARING
 BALL/BOLT 
RACE/FAN FRAME
 FITTING BEARING
8. THRUST LINK/BALL 
THRUST LINK BUSHING 
10. FAN FRAME 
9. THRUST LINK BUSHING/BOLT  FAN FRAME FITTING BEARING FITTING/ 
B-B 
Engine Mounts Inspection 
Figure 601 (Sheet 2)
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 ALL  ú ú C01 Page 603 ú Nov 15/96 
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. 
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
18. THRUST FITTING/
 BOLT BEARING RACE/ BOLT EVENER BAR BEARING BALL
C-C
22.
 AFT LINK/ AFT LINK BEARING