WEAR LIMITS
Body Gear Drag Strut Universal Wear Limits
Figure 202 (Sheet 3)
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A
747-400
MAINTENANCE MANUAL
NO. INDEX PART NAME DIM. DESIGN LIMITS WEAR LIMITS PART WORN REPLACE WORN REPAIR PART INSTR. REPAIR
DIAMETER PER-MITTED WEAR DIM. 1 ANCE MAX CLEAR-DIAM
MIN MAX
10 3BEARING ID 0.6245 0.6250 0.6285 0.0045 X
BOLT OD 0.6230 0.6240 0.6215 X 6
11 BUSHING ID 2.5000 2.5010 2.505 0.0062 X
BOLT OD 2.4980 2.4990 2.495 X 6
12 4BUSHING ID 2.500 2.5015 2.506 0.007 X 6
BOLT OD 2.498 2.499 2.495 X 6
13 BUSHING 5 8.325 8.337 8.313 X
WEAR LIMITS
LIMITS SHOWN MAY BE EXCEEDED PROVIDED MAXIMUM CLEARANCE IS NOT EXCEEDED.
WIDTH OF BALL IN ROD END BEARING.
ROD END BEARING IN LANDING GEAR DOOR ACTUATING SHAFT.
UNIVERSAL ASSEMBLY BUSHING.
DISTANCE OVER BUSHING FLANGE FACES.
WORN PART IS REPAIRABLE. REFER TO OVERHAUL MANUAL FOR REPAIR INFORMATION.
DISTANCE BETWEEN SHOULDER AND HEAD OF BOLT PLUS A POSSIBLE ONE-SIXTH TURN BACK OF NUT.
WIDTH OVER FLANGES OF BUSHINGS.
GAP BETWEEN BUSHINGS IN LOWER DRAG STRUT.
DIMENSION BETWEEN THREAD UNDER CUT AND BOLT HEAD.
GAP BETWEEN INNER FACES OF SPACERS AND SIXTH TURN BACK.
Body Gear Drag Strut Universal Wear Limits
Figure 202 (Sheet 4)
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A 747-400 MAINTENANCE MANUAL
(4) S 422-029Install the drag strut universal, the pin assembly of the drag strut and the pin assembly of the shock strut (Ref Body Gear Drag Strut Universal Installation).
(5) S 422-030Connect the actuator strut of the aft inboard door (Ref Body Gear Drag Strut Universal Installation).
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747-400 MAINTENANCE MANUAL
BODY GEAR UPPER JURY STRUT - MAINTENANCE PRACTICES
__________________________________________________
1. General
_______
A. This procedure has three tasks:
B. The removal of the upper jury strut for the body landing gear (referred to as the jury strut).
C. The installation of the jury strut.
D. The examination of the jury strut for the worn areas.
TASK 32-13-08-002-001
2. Body Gear Upper Jury Strut Removal (Fig. 201)
_________________________________
A. Special Tools and Equipment
(1)
2MIT65B08802-1 - Body Landing Gear Bungee Restraining Tool
B.
References
(1)
AMM 07-11-01/201, Jacking Airplane
(2)
AMM 09-11-00/201, Towing
(3)
AMM 32-00-30/201, Landing Gear Door Locks
(4)
AMM 32-33-16/401 Body Gear Downlock Bungee
(5)
AIPC 32-13-08 Fig. 1
(6)
AIPC 32-13-09 Fig. 2
C.
Access
(1)
Location Zone
755 Body Landing Gear, LH
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