(1)
Location Zone
754 Body Landing Gear Door, LH
764 Body Landing Gear Door, RH
C.
Procedure (Fig. 601)
S 026-002
(1)
Remove the outboard door of the wheel well of the body landing gear (Ref 32-14-02/401).
S 226-003
(2)
Do a check of the wear limits of the outboard door hinge and the linkage rod clevis bolts, the bearing and the bushings.
(a)
Measure the parts as it is necessary and compare the measured dimensions to the limit dimensions.
(b)
If part is not in tolerance, repair or replace as it is necessary.
S 426-004
(3) Install the outboard door of the wheel well of the body landing gear (Ref 32-14-02/401).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-14-02
ALL ú ú 01 Page 601 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
Body Gear Wheel Well Outboard Door Wear Limits Figure 601 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-14-02
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
WHEEL WELL WHEEL WELL OUTBOARD OUTBOARD DOOR HINGE DOOR HINGE
(8 LOCATIONS)
3. BEARING/BOLT
LINKAGE ROD
Body Gear Wheel Well Outboard Door Wear Limits
Figure 601 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-14-02
ALL ú ú 01 Page 603 ú Jun 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 WORN PART REPLACE REPAIR WORN PART REPAIR INSTR.
DIAMETER DIM. WEAR PER-MITTED 6 DIAM CLEAR-MAX ANCE
MIN MAX
1 BUSHING ID 0.3765 0.3805 0.3945 0.020 1
BOLT OD 0.3740 0.3745 0.3565 X
2 BEARING 2 0.030 1
3 BEARING ID 0.6245 0.6250 0.6440 OR 0.020 3 X
BOLT OD 0.6235 0.6240 0.6045 X
4 BUSHING ID 0.6250 0.6265 0.6440 0.020 4
BOLT OD 0.6235 0.6240 0.6050 X
5 BUSHING ID 0.8750 0.8765 0.8830 0.010 5
BUSHING OD 0.8720 0.8730 0.8650 X
OBTAIN BEARING. INSTALL BEARING PER 20-11-01 WITH INTERFERENCE FIT OF 0.0004 TO 0.0024 INCH. MINIMUM FLANGE THICKNESS FOR FLANGED BUSHINGS.
0.010 INCH BETWEEN BALL AND RACE.
OBTAIN BEARING. INSTALL BEARING PER 20-11-01 WITH INTERFERENCE FIT OF 0.0003 TO 0.0022 INCH.
MAXIMUM OVERSIZE BEARING AND HOLE IN FITTING IS 0.0625 INCH, IF REQUIRED.
OBTAIN BUSHING. INSTALL BUSHING PER 20-11-01 WITH INTERFERENCE FIT OF 0.0003 TO 0.0023 INCH.
MAXIMUM OVERSIZE BUSHING AND HOLE IN FITTING IS 0.0625 INCH, IF REQUIRED. LIMITS SHOWN MAY BE EXCEEDED PROVIDED MAXIMUM CLEARANCE IS NOT EXCEEDED.
Body Gear Wheel Well Outboard Door Wear Limits
Figure 601 (Sheet 3)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-14-02
ALL ú ú 01 Page 604 ú Jun 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
BODY GEAR WHEEL WELL DOOR SAFETY BAR - REMOVAL/INSTALLATION
___________________________________________________________
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(86)
