72-60-00
 ALL  ú ú C07 Page 211 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(b)  
On the generator drive pad, remove the shroud from the gearbox gear shaft (Fig. 203).

 (c)  
Remove the seal housing with the jackscrews (Fig. 203).

 1)  Remove and discard the O-ring from the outer diameter of the housing.

 (d)  
Remove the rotating carbon ring with the applicable seal removal/installation tool (Fig. 202):

 NOTE: Use the tool 856A3427 or 856A3576 on the drive pad seals
____ for the fuel pump, generator, and hydraulic pump.
 Use the 856A3511 tool or 856A3576 on the starter pad seal.
 1) Engage the claws behind the rotating ring and make the sleeve be against the rotating ring. 2) Tighten the nut until the rotating ring is held tight by
 the claws. 3) Tighten the screw. 4) Use the slide hammer to remove the rotating ring. 5) ENGINES PRE-CFMI-SB 72-811;
 Remove and discard the O-ring.
 6)  ENGINES POST-CFMI-SB 72-811; Do the steps that follow: a) Remove and discard the bal seal for the starter pad. b) Remove and discard the O-ring for these components:
 -fuel pump pad
 -hydraulic pump pad
 -constant speed drive/AC generator pad
 -VSCF generator/converter pad.
 7) Loosen the nut and the screw. 8) Remove the rotating ring from the tool.
 TASK 72-60-00-402-017-C00
 5.  Sealol Seal Installation
________________________
 A.  Special Tools and Equipment
 (1)  
856A3427 Tool - Seal Removal/Installation, for the drive pad of the fuel pump, generator, and hydraulic pump, CFM International

 (2)  
856A3511 Tool - Seal Removal/Installation, for the starter drive pad, CFM International

 (3)  
856A3576 Tool - Seal Removal/Installation, Sealol and magnetic seals, CFM International

 NOTE: This tool is an alternate for tools 856A3427 and 856A3511.
____
 B.  Consumable Materials
 (1)  
Grease - Graphite

 (2)  
Oil - Engine

 (3)  
Solvent - Acetone, O-A-51

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 72-60-00
 ALL  ú ú C04 Page 212 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
C. References
 (1)  
ENGINES WITH A CONSTANT SPEED DRIVE/AC GENERATOR;
 AMM 24-11-11/401, Generator Constant Speed Drive

 (2)  
ENGINES WITH A VSCF GENERATOR/CONVERTER;
 AMM 24-11-11/401, VSCF Generator/Converter

 (3)  
AMM 29-15-11/401 and/or AMM 29-15-12/401, Hydraulic Systems A and B Engine Driven Pump (EDP)

 (4)  
AMM 71-71-00/601, Engine Vents and Drains

 (5)  
AMM 72-63-00/501, Accessory Gearbox

 (6)  
AMM 73-11-01/401, Fuel Pump Package

 (7)  
AMM 80-11-01/401, Engine Starter

 D. Access
 (1)  
Location Zones
 502 Engine No. 1 - Accessory Gearbox
 602 Engine No. 2 - Accessory Gearbox

 (2)  
Access Panels
 5746L Engine No. 1 - Left Fan Cowl Panel
 5846R Engine No. 2 - Left Fan Cowl Panel

 E. Procedure
 S 112-018-C00
 WARNING: DO NOT GET THE SOLVENT IN YOUR MOUTH OR EYES, OR ON YOUR SKIN.
_______ DO NOT BREATHE THE FUMES FROM THE SOLVENT. PUT ON A PROTECTIVE SPLASH GOGGLE AND GLOVES WHEN YOU USE THE SOLVENT. KEEP THE SOLVENT AWAY FROM SPARKS, FLAME, AND HEAT. THE SOLVENT IS POISONOUS AND FLAMMABLE. IT CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (1)  Clean the gear area, that will touch the rotating ring, with the solvent (Fig. 203):
 (a) Remove all of the oil solids that stay on the gear area.
 NOTE: This will prevent possible damage to the O-ring seal
____
 when you install it.

 S 212-019-C00
 (2)  ENGINES PRE-CFMI-SB 72-811; Examine the O-rings for the seal housing (OD) and rotating ring (ID) (Fig. 203):
　
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