(1)  
Location Zone
 754 Body Landing Gear Door, LH
 764 Body Landing Gear Door, RH

 C.  
Procedure (Fig. 601)

 S 026-002
 (1)  
Remove the outboard door of the wheel well of the body landing gear (Ref 32-14-02/401).

 S 226-003

 (2)  
Do a check of the wear limits of the outboard door hinge and the linkage rod clevis bolts, the bearing and the bushings.

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

 (b)  
If part is not in tolerance, repair or replace as it is necessary.

 S 426-004
 (3)  Install the outboard door of the wheel well of the body landing gear (Ref 32-14-02/401).
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MAINTENANCE MANUAL

Body Gear Wheel Well Outboard Door Wear Limits Figure 601 (Sheet 1)
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MAINTENANCE MANUAL

WHEEL WELL WHEEL WELL OUTBOARD OUTBOARD DOOR HINGE DOOR HINGE

(8 LOCATIONS)

3. BEARING/BOLT

LINKAGE ROD

Body Gear Wheel Well Outboard Door Wear Limits
Figure 601 (Sheet 2)

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MAINTENANCE MANUAL

INDEX NO.  PART NAME  DIM.  DESIGN LIMITS  WEAR LIMITS  WORN PART REPLACE  REPAIR WORN PART  REPAIR INSTR. 
DIAMETER  DIM. WEAR PER-MITTED 6  DIAM CLEAR-MAX ANCE 
MIN  MAX 
1  BUSHING  ID  0.3765  0.3805  0.3945  0.020  1 
BOLT  OD  0.3740  0.3745  0.3565  X 
2  BEARING  2  0.030  1 

3  BEARING  ID  0.6245  0.6250  0.6440  OR 0.020 3  X 
BOLT  OD  0.6235  0.6240  0.6045  X 
4  BUSHING  ID  0.6250  0.6265  0.6440  0.020  4 
BOLT  OD  0.6235  0.6240  0.6050  X 
5  BUSHING  ID  0.8750  0.8765  0.8830  0.010  5 
BUSHING  OD  0.8720  0.8730  0.8650  X 

OBTAIN BEARING. INSTALL BEARING PER 20-11-01 WITH INTERFERENCE FIT OF 0.0004 TO 0.0024 INCH. MINIMUM FLANGE THICKNESS FOR FLANGED BUSHINGS.
0.010 INCH BETWEEN BALL AND RACE.
OBTAIN BEARING. INSTALL BEARING PER 20-11-01 WITH INTERFERENCE FIT OF 0.0003 TO 0.0022 INCH.
MAXIMUM OVERSIZE BEARING AND HOLE IN FITTING IS 0.0625 INCH, IF REQUIRED.
OBTAIN BUSHING. INSTALL BUSHING PER 20-11-01 WITH INTERFERENCE FIT OF 0.0003 TO 0.0023 INCH.

MAXIMUM OVERSIZE BUSHING AND HOLE IN FITTING IS 0.0625 INCH, IF REQUIRED. LIMITS SHOWN MAY BE EXCEEDED PROVIDED MAXIMUM CLEARANCE IS NOT EXCEEDED.
Body Gear Wheel Well Outboard Door Wear Limits
Figure 601 (Sheet 3)

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747-400 MAINTENANCE MANUAL
 BODY GEAR WHEEL WELL DOOR SAFETY BAR - REMOVAL/INSTALLATION
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