72-62-03
 ALL  ú ú C01.1 Page 201 ú Jul 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
TRANSFER GEARBOX (TGB)
SEEA
NUT LOCKING 
A BSEE DRIVE SHAFT HORIZONTAL  A  TGB END A 
FLANGE  DRIVE SHAFT HORIZONTAL 
AGB END  B 
OIL RETAINING SLEEVE 
Figure 201 Horizontal Drive Shaft Maintenance Practices A-A  SHAFT BORE 

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 72-62-03
 ALL  ú ú C01 Page 202 ú Oct 25/86
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
TASK 72-62-03-402-006-C00
 3. Install the Horizontal Drive Shaft (Fig. 201)
__________________________________
 A. References
 (1)  
AMM 71-11-02/201, Fan Cowl Panels

 (2)  
AMM 72-62-01/401, Transfer Gearbox

 B. Access
 (1)  Location Zones
 506 Engine No. 1
 606 Engine No. 2

 C. Install the horizontal drive shaft.
 S 432-007-C00
 (1)  Install the locking nut on the TGB side of the horizontal drive shaft.
 (a)  
Make sure the locking nut is against the shaft flange.

 (b)  
Make sure you install the locking nut with the threaded opening on the AGB side.

 S 422-008-C00
 (2)  Install the shaft in the TGB.
 (a)  Make sure you engage the splines of the shaft with the splines on the TGB.
 S 412-009-C00
 (3)  
Install the transfer gearbox (Ref 72-62-01).

 S 412-022-C00

 (4)  
Close the fan cowl panels (Ref 71-11-02/201).

 TASK 72-62-03-212-010-C00
 4. Horizontal Drive Shaft Inspection (Fig. 201)
_________________________________
 A. Access
 (1)  Location Zones
 506 Engine No. 1
 606 Engine No. 2

 B. Make an inspection of the horizontal drive shaft.
 S 022-011-C00
 (1)  Do the task to remove the horizontal drive shaft.
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 72-62-03
 ALL  ú ú C02 Page 203 ú Jul 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 212-012-C00
 (2)  Make an inspection of the TGB end of the shaft. Look at the location of the oil retaining sleeve.
 (a)  If the sleeve has moved to the end of the shaft bore or out of the shaft bore, do the procedure to repair the horizontal drive shaft.
 S 422-013-C00
 (3)  Do the task to install the horizontal drive shaft.
 TASK 72-62-03-392-014-C00
 5.  Horizontal Drive Shaft Repair (Fig. 201)_____________________________
 A. Equipment
 (1)  
Air source - dry filtered, 30 psi (200 kPa)

 (2)  
Brush - Cleaning, local purchase

 (3)  
Heat Gun - local purchase

 (4)  
Gloves - Rubber, suitable for working with solvents, local purchase

 B. Consumable Materials
 (1)  
Acetone - CP1039 (Ref 70-10-01)

 (2)  
Activator - Loctite 747, CP2400 (Ref 70-10-01)

 (3)  
Adhesive - Loctite 648, CP2399 (Ref 70-10-01)

 C. Access
 (1)  Location Zones
 506 No. 1 Engine
 606 No. 2 Engine

 D. Repair the horizontal drive shaft.
 S 022-015-C00
 (1)  If the oil retaining sleeve has moved out of the shaft bore, manually remove the sleeve from the bore.
 S 112-016-C00
 WARNING: DO NOT GET METHYL ETHYL KETONE (MEK) OR ACETONE IN YOUR MOUTH
_______ OR EYES, OR ON YOUR SKIN. DO NOT BREATHE THE FUMES FROM MEK OR ACETONE. PUT ON A PROTECTIVE SPLASH GOGGLE AND GLOVES WHEN YOU USE MEK OR ACETONE. KEEP THESE SOLVENTS AWAY FROM SPARKS, FLAME, AND HEAT. MEK AND ACETONE ARE POISONOUS AND FLAMMABLE SOLVENTS WHICH CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
　
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