Wing Gear Wheel Well Outboard Door Wear Limits
Figure 601 (Sheet 3)

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747-400
MAINTENANCE MANUAL

*[1] OBTAIN BUSHING. INSTALL BEARING PER 20-11-01 WITH INTERFERENCE FIT OF 0.0004 TO 0.0024 INCH.
*[2]  OBTAIN BUSHING. INSTALL BUSHING PER 20-11-01 WITH INTERFERENCE FIT OF 0.0004 TO 0.0016 INCH. MAXIMUM OVERSIZE BUSHING AND HOLE IN FITTING IS 0.0625 INCH, IF REQUIRED.
*[3]  OBTAIN BUSHING. INSTALL BUSHING PER 20-11-01 WITH INTERFERENCE FIT OF 0.0003 TO 0.0020 INCH. MAXIMUM OVERSIZE BUSHING AND HOLE IN FITTING IS 0.0625 INCH, IF REQUIRED.
*[4]  OBTAIN BUSHING. INSTALL BUSHING PER 20-11-01 WITH INTERFERENCE FIT OF 0.0004 TO 0.0016 INCH. MAXIMUM OVERSIZE BUSHING AND HOLE IN FITTING IS 0.0625 INCH, IF REQUIRED.
*[5]  OBTAIN BUSHING. INSTALL BUSHING PER 20-11-01 WITH INTERFERENCE FIT OF 0.0003 TO 0.0020 INCH.
MAXIMUM OVERSIZE BUSHING AND HOLE IN FITTING IS 0.0625 INCH, IF REQUIRED.
*[6]  0.010 INCH BETWEEN BALL AND RACE.
*[7]  LIMITS SHOWN MAY BE EXCEEDED PROVIDED MAXIMUM CLEARANCE IS NOT EXCEEDED.
Wing Gear Wheel Well Outboard Door Wear Limits
Figure 601 (Sheet 4)

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747-400 MAINTENANCE MANUAL
 WING LANDING GEAR WHEEL WELL INBOARD DOOR - REMOVAL/INSTALLATION
________________________________________________________________
 1.  General_______
 A.  This procedure contains two tasks:
 (1)  
The removal of the inboard door on the wheel well of the wing landing gear.

 (2)  
The installation of the inboard door on the wheel well of the wing landing gear.

 TASK 32-12-02-004-001
 2.  The Inboard Door Removal on the Wheel Well of the Wing Landing Gear___________________________________________________________________ (Fig. 401)
 A.  Special Tools and Equipment
 (1)  
OHME65B10910 - Sling Assembly

 B.  
References

 (1)  
AMM 09-11-00/201, Towing

 (2)  
AMM 32-00-30/201, Landing Gear Door Locks

 (3)  
AMM 32-12-01/401, Wing Gear Wheel Well Outboard Door.

 (4)  
AMM 32-12-03/401, Wing Gear Wheel Well Door Strike Board

 (5)  
AIPC 32-12-01 Fig. 2, AIPC 32-12-03 Fig. 1, AIPC 32-12-08 Fig. 1

 C.  
Access

 (1)  
Location Zone
 731 Wing Landing Gear Door, LH
 741 Wing Landing Gear Door, RH

 D.  
Prepare for the Removal

 S 864-024
 (1) Install the ground locks in all landing gear (AMM 09-11-00/201).
 S 494-025
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2) Do this task: "Installation of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).
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747-400
MAINTENANCE MANUAL

FWD STRIKE BOARD SEE A
WING GEAR WHEEL SEE C WELL OUTBOARD DOOR
COTTER PIN SEE B
SUPPORT
STRUCTURE

INBOARD DOOR
(REF) LINKAGE ROD
WING GEAR WHEEL WELL INBOARD DOORHINGE
BONDING JUMPER
WING GEAR WHEEL
WELL INBOARD DOOR

LINKAGE ROD
COTTER PIN
COTTER PIN
FWD
A
BONDING JUMPER
SUPPORT
　
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