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747-400 MAINTENANCE MANUAL S 864-030 (4) Restore the airplane weight to the landing gear (AMM 07-11-01/201). S 094-031 WARNING:_______REFER TO AMM 32-00-30/201 FOR LOCK REMOVAL PROCEDURE. RAPID ACTION OF DOORS MAY INJURE PERSONNEL OR DAMAGE EQUIPMEMT. (5) Do this task: "Wing Landing Gear Door Lock Removal" (AMM 32-00-30/201).
(6) Do this task: " Body Landing Gear Door Lock Removal" (AMM 32-00-30/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-13-04 ALL ú ú 01 Page 409 ú Oct 18/99 BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. A 747-400 MAINTENANCE MANUAL BODY GEAR UPPER DRAG STRUT - INSPECTION/CHECK _____________________________________________ 1. General_______ A. The upper drag strut of the body landing gear inspection has the tasks that follow: (1) Measure the fit of the spindle bolt, the apex bolt, and the downlock actuator spindle. TASK 32-13-04-206-001 2. Upper Drag Strut Wear Check_______________________________ A. References (1) 32-13-04/401, Body Gear Upper Drag Strut
(2) 32-13-10/201, Body Gear Lower Jury Strut
(3) 32-33-15/401, Body Gear Downlock Actuator
(4) IPC 32-13-01 Fig. 1, IPC 32-13-05 Fig. 1, IPC 32-13-10 Fig. 1, IPC 32-33-15 Fig. 1
(1) Location Zone 755 Body Landing Gear, LH 765 Body Landing Gear, RH
C. Procedure (Fig. 601)
S 036-002 (1) Remove the downlock actuator (Ref 32-33-15/401).
(2) Remove the upper drag strut of the body landing gear (Ref 32-13-04/401).
(3) Do a check on the wear limits for the items that follow:
(a) spindle bolt of the upper drag strut
(b) apex bolt (Ref 32-13-10/201)
(c) downlock actuator spindle.
S 216-007 (4) Measure the parts as it is necessary and compare the measured dimensions to the limit dimensions.
(5) If the part is not in tolerance, repair or replace as it is necessary.
(6) Install the upper drag strut (Ref 32-13-04/401).
(7) Install the downlock actuator (Ref 32-33-15/401).
S 426-005 S 436-006 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-13-04 ALL ú ú 01 Page 601 ú Oct 10/95 BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. A
747-400 MAINTENANCE MANUAL
UPPER STRUT DRAG B JURY STRUT B A A DOWNLOCK ACTUATOR LOWER DRAG STRUT 1. BUSHING/SPINDLE FWD 2. SPINDLE/PLUG A-A 5. RETAINER BOLT/LUBE 4. BUSHING/BOLT 6. BUSHING/BOLT 4. BUSHING/BOLT
B-B Body Gear Upper Drag Strut Wear Limits Figure 601 (Sheet 1) EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-13-04 ALL ú ú 01 Page 602 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 MITTED PER-DIM. 3 DIAM CLEAR-MAX ANCE MIN MAX 1 BUSHING ID 1.5020 1.5030 1.5035 0.0065 X 2 SPINDLE OD 1.4980 1.4990 1.4955 X 1 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
