S 432-023
(5)
Install the lockbolt (6).
NOTE: Do not loosen the nut to install the lockbolt.
____
S 642-016
(6)
Lubricate at the lube fittings of the drag strut (AMM 12-21-01/301).
F.
Put the Airplane in its Usual Condition
S 092-017
WARNING:_______REFER TO AMM 32-00-30/201 FOR THE LOCK REMOVAL PROCEDURE. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1) Remove the door locks of the wing and the body landing gear (AMM 32-00-30/201).
TASK 32-13-05-202-018
4. Drag Strut Spindle Wear Inspection__________________________________
A. References
(1)
AIPC 32-13-05 Fig. 1
B.
Access
(1)
Location Zone
755 Body Landing Gear, LH
765 Body Landing Gear, RH
C.
Procedure (Fig. 202)
S 022-019
(1)
Remove the drag strut spindle (Ref Remove Body Gear Drag Strut Spindle).
S 222-020
(2)
Do a check of the drag strut spindle.
(a)
Measure the parts as it is necessary and compare the measured dimensions to the limit dimensions.
(b)
If the part is not in tolerance, replace or repair it.
S 422-021
(3) Install the drag strut spindle (Ref Body Gear Drag Strut Spindle Installation).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-13-05
ALL ú ú 01 Page 205 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
ACTUATOR BODY GEAR
STRUT UPPER DRAG
TRUNNION
A A STRUT JURY
BUNGEE
DRAG STRUT SPINDLE STRUT SHOCK
STRUT LOWER DRAG
1. BUSHING/SPINDLE 2. BUSHING/SPINDLE
SPINDLE
NUT WASHER
SPINDLE
KEEL BEAM SPLINED
ATTACH FITTING
WASHER
3. SPINDLE/WASHER A-A
Body Gear Drag Strut Spindle Wear Limits Figure 202 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-13-05
ALL ú ú 01 Page 206 ú Jun 10/88
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
INDEX NO. PART NAME DIM. DESIGN LIMITS WEAR LIMITS REPLACE PART WORN REPAIR WORN PART REPAIR INSTR.
DIAMETER WEAR PER-MITTED DIM. 5 DIAM CLEAR-MAX ANCE
MIN MAX
1 BUSHING ID 3.802 3.804 3.811 0.0120 X 2
SPINDLE OD 3.796 3.799 3.792 1
2 BUSHING ID 4.002 4.004 4.008 0.012 X 2
SPINDLE OD 3.996 3.999 3.992 1
3 SPINDLE 4 11.957 11.984 11.990 0.003 1
WASHER 3 11.9900 12.020 11.970 X 1
WORN PART IS REPAIRABLE. REFER TO OVERHAUL MANUAL FOR REPAIR INFORMATION.
PROCURE REPLACEMENT BUSHING. INSTALL IN KEEL BEAM ATTACH FITTING PER 20-11-01 WITH INTERFERENCE
FIT.
WIDTH OVER FLANGES OF BUSHINGS.
LENGTH OF SPINDLE, SHOULDER TO SHOULDER, LESS WIDTH OF WASHER AND LESS WIDTH AT SPLINED WASHER.
LIMITS SHOWN MAY BE EXCEEDED PROVIDED MAXIMUM CLEARANCE IS NOT EXCEEDED.
Body Gear Drag Strut Spindle Wear Limits
Figure 202 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-13-05
ALL ú ú 01 Page 207 ú Jun 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
BODY GEAR LOWER DRAG STRUT - MAINTENANCE PRACTICES
__________________________________________________
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 起落架 LANDING GEAR 3(4)
