B.
References
(1)
AMM 24-22-00, Manual Control
C.
Access
(1)
Location Zone
801 Nose Cargo Door
D.
Prepare For Removal
S 494-002
(1)
Install the safety barrier across the door opening.
(2)
Supply electrical power (AMM 24-22-00/201).
S 864-003
(3)
Open the nose cargo door to get access to the adjustable rod on the hinge access door.
E.
Hinge Access Clearance Door Removal
S 484-003
S 034-004
(1) Disconnect the adjustable rod from the hinge access door and attach it to the airplane structure with tape.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
52-31-12
ALL ú ú 02 Page 401 ú Feb 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
HINGE BOLT A
SEE A SEAL
DOOR
RETAINER
CLIP BOLT
A
FILLER
RETAINER
DEPRESSOR
WASHER
NUT
A DOOR
A
SEE B
ADJUSTABLE ROD
BRACKET (ATTACHED
TO AIRPLANE STRUCTURE)
(DOOR SHOWN OPEN) A-A
20 TO 30 POUNDS
0.15 |0.03 DOOR DOOR
INCH
0.01 INCH MAX.
FAIR 0.00 |0.02 INCH
PRE-LOADING REQUIREMENTS FIT AND FAIR REQUIREMENTS
(DOOR SHOWN CLOSED)
B
Hinge Access Clearance Door Installation Figure 401
B26930
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
52-31-12
ALL ú ú 02 Page 402 ú Feb 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 034-005
(2)
Remove the seal and seal retainer from the hinge access door.
S 024-006
(3)
Remove bolts that attach the hinge access clearance door to the hinge and remove the hinge access door.
NOTE: If the hinge is to be replaced, remove the bolts that attach
____ the hinge to the nose cargo door to remove the hinge.
TASK 52-31-12-404-007
3. Hinge Access Clearance Door Installation (Fig. 401)
________________________________________
A. Special Tools and Equipment
(1)
Aerostand - To get access to the hinge access clearance door
B.
Standard Tools and Equipment
(1)
Spring Scale - 0 to 50 pound range
C.
References
(1)
AMM 24-22-00/201, Manual Control
(2)
AMM 52-31-00/501, Nose Cargo Door
(3)
AMM 52-31-12/601, Nose Cargo Door Hinge Access Clearance Door
D.
Access
(1)
Location Zone
801 Nose Cargo Door
E.
Prepare For Installation
S 494-008
(1)
Make sure the safety barrier is installed across the door opening.
S 224-009
(2)
If you install the used components, do a check for the wear limits (AMM 52-31-12/601).
S 014-010
(3)
Open the nose cargo door to get access to the adjustable rod on the hinge access door.
F.
Hinge Access Clearance Door Installation
S 424-011
(1) Install the hinge access door on the nose cargo door with bolts, nuts, and washers.
NOTE: If the hinge was removed, make sure the seals, retainers,
____ clips, fillers, and depressors are correctly installed.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
52-31-12
ALL ú ú 02 Page 403 ú Feb 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 艙門 DOORS 2(59)
