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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
TURBINE
REAR
FRAME
OIL INLET COVER
NIPPLE
DAMPED NO. 5 BEARING OIL SUPPLY TUBE
TURBINE REAR O-RING
FRAME
SEAL
OIL NO. 4 AND INLET NO. 5 BEARING COVER OIL SUPPLY
TUBE
(VIEW IN THE FORWARD DIRECTION) C
FLANGE ASSEMBLY
A
BOLT SEAL
O-RING 
NIPPLE  A 
DAMPED NO. 5  BOLT 
BEARING OIL 
SUPPLY TUBE  FLANGE 
O-RING  SEE  C  ARRESTER 
FWD 
NIPPLE 
CONNECTOR 

NO. 4 AND NO. 5 BEARING OIL SUPPLY TUBE
OIL SUPPLY TUBE (INSTALLED IN BOLT
NO. 6 STRUT) ON SOME CFM56-3-B1/-3B-2/-3C-1 ENGINES
B
No. 4 and No. 5 Bearing Oil Supply Tube Removal
Figure 702 (Sheet 2)

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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
TURBINE REAR FRAME
NIPPLE
DAMPED NO. 5 BEARING OIL SUPPLY TUBETURBINE REAR O-RINGFRAME SEAL
OIL OIL INLETINLET COVER NO. 4 ANDCOVER NO. 5 BEARING OIL SUPPLY TUBE
(VIEW IN THE FORWARD DIRECTION)
D
FLANGE
ASSEMBLY BOLT
A
SEAL
O-RING 
NIPPLE  A 
DAMPED NO. 5  BOLT 
BEARING OIL 
SUPPLY TUBE  O-RING  FLANGE ARRESTER 
NIPPLE 
FWD 
SEE  D 
BOLT 

NO. 4 AND NO. 5 CONNECTOR
BEARING OIL SUPPLY TUBE OIL SUPPLY TUBE (INSTALLED IN NO. 6 STRUT)
ON SOME CFM56-3-B1/-3B-2/-3C-1 ENGINES WITH CFMI SB 72-437 AND ON LATER CFM56-3-B1/-3B-2/-3C-1 ENGINES
B
No. 4 and No. 5 Bearing Oil Supply Tube Removal Figure 702 (Sheet 3)
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////

A-A

8452C
No. 4 and No. 5 Bearing Oil Supply Tube Removal Figure 702 (Sheet 4)
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////

TURBINE FRAME
(VIEW IN THE FORWARD DIRECTION)

Removal of the Oil Supply Tube Figure 703 (Sheet 1)
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
OIL

Removal of the Oil Supply Tube Figure 703 (Sheet 2)
 F61589
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