(c)
Retighten the nut to 120 - 1200 pound-inches.
(d)
Backoff the nut if it is necessary to install the lockbolt.
S 434-030
(9)
Use the torque wrench adapter to tighten the spindle nut to a torque value of 3600 to 4800 pound-inches.
(a)
Loosen the nut, tighten it to obtain 0.001 to 0.003 inch clearance and install the lockbolt.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-13-19
ALL ú ú 03 Page 407 ú Jun 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
(b) Do not loosen the nut to install the lockbolt.
S 434-031
(10)
Tighten the jury strut spindle bolt to a torque value of 600 - 1200 pound-inches.
(a)
Loosen the nut if it is necessary and permit for the cotter pin installation.
S 094-032
(11)
Remove the strong back and the hoist.
S 494-033
(12)
Install the ground lockpin (AMM 09-11-00/201).
S 434-034
(13)
Connect the door actuator strut (2) to the lugs of the universal (1).
(a)
Tighten the nut to torque value of 108 pound-inches and install the cotter pin.
S 434-035
(14)
Install the downlock actuator (AMM 32-33-15/401).
S 434-036
(15)
Attach the hydraulic lines (8) to the drag strut.
S 434-037
(16)
Connect the hydraulic lines to the downlock actuator and the swivel (7).
S 434-038
(17)
Install the sensors (12) on the jury strut bracket with the screws, the washers and the nuts.
(18)
Attach the conduit to the jury strut brackets.
S 224-040
(19)
Make sure you aligned the jury strut.
(a)
Adjust the aligned jury strut if it is necessary
(AMM 32-13-10/201).
(20)
Supply the systems No. 1 and 4 hydraulic power (AMM 29-11-00/201).
(21)
Examine the hydraulic connections for leaks.
S 434-039
S 864-041
S 794-042
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-13-19
ALL ú ú 03 Page 408 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 824-043
(22)
Adjust the aft inboard door (AMM 32-14-00/501).
S 714-044
(23)
Do a test on the downlock sensors (AMM 32-61-00/501).
H.
Put the Airplane in Its Usual Condition.
S 864-045
(1) Put the airplane weight back to the landing gear (AMM 07-11-01/201).
S 094-050
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS FROM THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
Do this task: "Removal of the Door Locks from the Wing Landing Gear" (AMM 32-00-30/201).
S 094-051
(3)
Do this task: "Removal of the Door Locks from the Body Landing Gear" (AMM 32-00-30/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-13-19
ALL ú ú 03 Page 409 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
BODY GEAR DRAG STRUT COMPONENT ASSEMBLY - INSPECTION/CHECK
__________________________________________________________
1. General_______
A. The component assembly inspection for the drag strut has four tasks:
B. Measure the fit of the upper drag strut spindle.
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 3(49)
