54-42-13
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 B. Consumable Materials
 (1) D00015 Corrosion Preventative, Grease - BMS 3-24
 C. References
 (1) AIPC 54-42-50
 D. Access
 (1)  Location Zones
 500 Left Nacelle
 600 Right Nacelle

 E. Procedure
 S 212-049-B00
 (1)
Make sure the bearing assembly has been removed from the cross beam.

 S 622-022-B00

 (2)
Apply a thin layer of grease to the exterior of the retaining ring.

 NOTE: Do not apply grease to the threads on the ring.
____
 S 622-023-B00
 (3) Apply a thin layer of grease to the exterior of the race.
 NOTE: Do not apply grease to the threads on the race.
____
 S 422-024-B00
 (4)
Put the race into the hinge from the aft side.

 (5)
Hold the race in place with the socket wrench.

 S 422-025-B00
 NOTE: Keep the slot in the vertical position.
____
 S 422-075-B00
 (6) Put the retaining ring into the hinge lug from the forward side.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 432-027-B00
 (7)  
Use the socket wrench to tighten the retaining ring to 120-140 pound-inches.

 S 162-028-B00

 (8)  
Remove any excess grease from the surface of the race and cross beam.

 S 422-029-B00

 (9)
Do this task: Cross Beam Installation, Center Hinge Fitting.

 S 422-030-B00

 (10)
 If you will not immediately install the thrust reverser half do these steps:

 (a)  
Put the ball in the race.

 (b)  
Safety the ball to the cross beam with a piece of rope.

 S 412-050-B00
 (11) Do this task: Put the Airplane Back to Its Usual Condition.
 TASK 54-42-13-422-002-B00
 17. Vibration Isolator Installation, Center Fitting (Fig. 203)
_______________________________________________
 A. References
 (1)  AIPC 54-42-50
 B. Access
 (1)  Location Zones
 500 Left Nacelle
 600 Right Nacelle

 C. Procedure
 S 422-052-B00
 CAUTION: DO NOT USE TOO MUCH FORCE OR PRESS THE CENTER OF THE ISOLATOR.
_______
 TOO MUCH FORCE WILL DAMAGE THE ISOLATOR.

 (1)  Install the isolator in the bushing.
 NOTE: The isolator should go easily in the bushing.
____
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 912-053-B00
 (2)  
If you will not immediately install the cross beam, safety the isolator with a piece of rope.

 S 422-054-B00

 (3)  
Do this task: Cross Beam Installation, Center Fitting.

 TASK 54-42-13-422-003-B00
 18. Cross Beam Installation, Center Fitting (Fig. 203)_______________________________________
 A. References
 (1)  AIPC 54-42-50
 B. Access
 (1)  Location Zones
 500 Left Nacelle
 600 Right Nacelle

 C. Procedure
 S 912-055-B00
 (1)
If installed, remove the safety device from the hinge fitting.

 S 912-056-B00

 (2)  
If installed, remove the safety strap from the lug of the cross beam.

 S 022-057-B00

 (3)  
Remove the ball from the race.

 S 212-058-B00

 (4)  
Make sure the cross beam aligns with the hinge clevis and the flat side of the cross beam is down.

 S 422-059-B00
　
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