(3)
IPC 32-11-05 Fig. 1, IPC 32-11-10 Fig. 2, IPC 32-32-16 Fig. 2, IPC 32-32-26 Fig. 2
B.
Access
(1)
Location Zone
735 Wing Landing Gear, LH
745 Wing Landing Gear, RH
C.
Procedure
S 026-002
(1)
Do this task: "Wing Landing Gear Upper Side Strut Removal" (Ref 32-11-04/401).
S 216-005
(2)
Examine the components for the upper side strut for corrosion and damage.
S 226-003
(3)
Examine the fit of the spindle bolt assembly and the apex bolt assembly.
(a)
Measure the parts at the locations shown in figure 601.
(b)
Compare the measured dimensions to the wear limits in figure
601.
(c)
If a part is not in tolerance, replace the part if you cannot repair it.
S 426-004
(4) Do this task: "Wing Landing Gear Upper Side Strut Installation" (Ref 32-11-04/401).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
HYDRAULIC
SWIVEL
B B
SEE A
UPPER SIDE STRUT
DOWNLOCK
HOSE CLAMPS
BUNGEE
A A
LOWER JURY STRUT
DOWNLOCK ACTUATOR
LOWER
SIDE STRUT
FWD
A
Wing Landing Gear Upper Side Strut Wear Limits Figure 601 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
B-B
Wing Landing Gear Upper Side Strut Wear Limits
Figure 601 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 INSTR REPAIR
DIAMETER DIM. MITTED WEAR PER- DIA CLEAR-ANCE MAX
MIN MAX
1 4 7 BUSHING ID 2.375 2.377 2.382 0.008 X
BOLT OD 2.373 2.374 2.370 X
2 7 BUSHING 3 6.700 6.712 6.742 0.042 X
BUSHING 2 6.691 6.700 6.670 X
3 5 7 BUSHING ID 2.375 2.378 2.383 0.010 X
BOLT OD 2.371 2.373 2.368 X
4 7 BUSHING 9 3.120 3.128 3.148 0.040 X
BUSHING 8 3.115 3.118 3.080 X
5 7 BOLT 1 5.815 5.835 5.845 0.075 X
BUSHING 2 5.770 5.814 5.760 X
THIS IS THE DISTANCE BETWEEN THE BOLT HEAD AND THE BOLT EDGE PLUS 1/6 TURN TO LOOSEN THE NUT. THIS IS THE DISTANCE BETWEEN THE OUTER FLANGE SURFACES OF THE TWO BUSHINGS IN THE UPPER SIDE
STRUT.
THIS IS THE DISTANCE BETWEEN THE OUTER FLANGE SURFACES OF THE TWO INNER BUSHINGS IN THE LOWER
SIDE STRUT.
10 LOCATIONS
4 LOCATIONS
THE MEASURED DIMENSION CAN BE MORE THAN THE PERMITTED DIMENSION IF THE MEASURED CLEARANCE IS
NOT MORE THAN THE MAXIMUM CLEARANCE.
THESE ARE THE DIMMENSIONS FOR PART NUMBERS 65B19980-() FOR THE SIDE STRUT.
THIS IS THE DISTANCE BETWEEN THE OUTER FLANGE SURFACES OF THE TWO BUSHINGS IN THE SPINDLE.
THIS IS THE DISTANCE BETWEEN THE OUTER FLANGE SURFACES OF THE TWO INNER BUSHINGS IN THE UPPER
SIDE STRUT.
Wing Landing Gear Upper Side Strut Wear Limits 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 起落架 LANDING GEAR 1(132)
