S 842-033

 (7)  
Do this task: "Removal of the Door Locks from the Body Landing Gear" (AMM 32-00-30/201).

 TASK 32-13-14-222-022
 4. Examine The Lower Torsion Link On The Body Landing Gear For Wear Limits
_______________________________________________________________________
 A. References
 (1)  
AIPC 32-13-14 Fig. 1

 B.
Access

 (1)  
Location Zone
 755 Body Landing Gear, LH
 765 Body Landing Gear, RH

 C.
Procedure (Fig. 204)

 S 022-023
 (1)  
Remove the lower torsion link on the body landing gear (Ref Remove Body Landing Gear Lower Torsion Link).

 S 222-024

 (2)  
Do a check for limits of the wear of the lower attach bolt and the apex spindle.

 (a)  
Measure parts if it is necessary and compare measured dimensions to keep the dimensions to the limit.

 (b)  
If it is necessary, repair or replace the part that are out of tolerance.

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747-400 MAINTENANCE MANUAL
 S 422-025
 (3)  Install the lower torsion link on the body landing gear (Ref Install Body Gear Landing Lower Torsion Link).
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747-400
MAINTENANCE MANUAL

A-A

Body Gear Lower Torsion Link Wear Limits
Figure 204 (Sheet 1)

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MAINTENANCE MANUAL

TORSION LINK
4. BUSHING/SPINDLE
NO. INDEX  PART NAME  DIM.  DESIGN LIMITS  WEAR LIMITS  PART WORN REPLACE  PART WORN REPAIR  INSTR REPAIR 
DIAMETER  DIM. PER-WEAR MITTED 3  ANCE CLEAR-MAX DIA 
MIN  MAX 
1  BUSHING  ID  3.2500  3.2510  3.2546  0.0076  X  2 
BOLT  OD  3.2470  3.2480  3.2434  X  1 
2  BUSHINGS  12.0000  12.0040  12.0120  0.160 5  X  4  2 
BUSHINGS  11.9960  11.9980  11.9880  X  4  2 
3  BUSHING  ID  3.2500  3.2520  3.2591  0.0121  X  2 
BOLT  OD  3.2470  3.2480  3.2434  X  1 
4  BUSHING  ID  2.7500  2.7520  2.7543  0.0063  X  2 
SPINDLE  OD  2.7480  2.7490  2.7447  X  1 
5  HEAD/SHOULDER  5.0010  5.0140  5.330  0.0380 5  X  1 
BUSHINGS  4.9950  5.0000  4.9760  X  2 

PART IS REPAIRABLE. REFER TO OVERHAUL MANUAL FOR REPAIR INFORMATION.
PROCURE REPLACEMENT BUSHING. INSTALL BUSHING PER AMM 20-11-01/401 WITH INTERFERENCE FIT.
LIMITS SHOWN MAY BE EXCEEDED PROVIDED MAXIMUM CLEARANCE IS NOT EXCEEDED.
FOR IN-SERVICE REPAIR, INSTALL SPECIAL SHIM (AMM 32-00-01/801); PREFERRED

OVERHAUL REWORK IS TO RESTORE PART TO DESIGN LIMITS.
MAXIMUM AXIAL CLEARANCE

Body Landing Gear Lower Torsion Link Wear Limits
Figure 204 (Sheet 2)

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