52-32-00
ALL ú ú 05 Page 620 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
(c)
Push the master latch lock handle to the locked (closed) position.
(d)
Make sure you observe these conditions:
1) The master latch lock sectors have rotated inboard so that the inboard heel of the sector is inboard of the latch cam throat and the outboard end of the sector extends into the cutout in the lower beam of the door.
2) The two pressure relief doors are closed. 3) The master latch lock handle and the trigger are flush with the door skin.
TASK 52-32-00-706-050
6. Functional Check of the Ratchet Brake in the Side Cargo Door Lift Mechanism____________________________________________________________________________
A. Special Tools and Equipment
(1)
ME65B83635-1 Torque Wrench Adapter, Side Cargo Door Brakes
B.
Standard Tools and Equipment
(1)
Torque wrench - Capable of 80 pound-inches (for a check of the adjustment of the gearbox and brake assembly)
C.
References
(1)
52-32-04/401, Gearbox and Brake Assembly
D.
Access
(1)
Location Zone
261 Main Deck STA 1720 To STA 2040, LH
(2)
Access Panels
261AL Access Door, Cargo Door Switch
836L Door, Main Deck Cargo
E.
Procedure
S 866-040
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE AWAY FROM THE DOOR AND
_______ THE DOOR OPENING WHEN YOU OPERATE THE DOOR. FAILURE OF THE LIFT MECHANISM CAN CAUSE THE DOOR TO CLOSE QUICKLY WHICH CAN CAUSE INJURY OR DAMAGE.
(1)
Close the door electrically (Ref 52-32-00/001).
(a)
Put the torque wrench and the adapter on the gearbox and brake assembly (Detail C).
(b)
Turn the brake housing clockwise.
(c)
See that the torque is 65 - 75 pound-inches.
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52-32-00
ALL ú ú 03 Page 621 ú Jun 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
SIDE CARGO DOOR - REMOVAL/INSTALLATION
______________________________________
1. General_______
A. This procedure contains two tasks:
(1)
The first task is the removal of the side cargo door.
(2)
The second task in the installation of the side cargo door.
TASK 52-32-01-004-001
2. Side Cargo Door - Removal_________________________
A. Special Tools and Equipment
(1)
2OHME65B17601-1, Sling - Side Cargo Door
(2)
2TME65B17601 - Door Transportation Dolly
(3)
F70258-1, Safety Barrier Net
(4)
MIT69B15509-1, Hinge Pin Puller
B.
Standard Tools and Equipment
(1)
Punch - Drift (to drift pins through hinge)
C.
Reference
(1)
AIPC 52-32-01 Fig. 1, AIPC 52-32-03 Fig. 2
(2)
SSM 52-32-01
(3)
WDM 52-32-11, 52-32-21
D.
Access
(1)
Location Zone
261 Main Deck STA 1720 TO STA 2040, LH
(2)
Access Panels
836L Door - Main Deck Cargo
E.
Procedure
S 014-002
(1)
Open the two ceiling panels that are in the second row and inboard of the door the lift mechanism and hinge.
S 864-003
(2)
Open these circuit breakers for the side cargo door and attach DO-NOT-CLOSE tags:
(a)
P415 Power Distribution Center - Right 1) 415F17 SIDE CARGO DOOR CONT
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52-32-01
ALL ú ú 03 Page 401 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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