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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400
MAINTENANCE MANUAL
2) Make sure all the drive-wheels aft of the cargo compartment
door turn in the forward direction.
3) Hold the joystick switch to the AFT position.
4) Make sure all the drive-wheels aft of the cargo compartment
door turn in the aft direction.
(b) For the cargo control panel in the aft compartment, do these steps: 1) Hold the joystick switch to the FWD position. 2) Make sure all the drive-wheels forward of the cargo
compartment door turn in the forward direction. 3) Hold the joystick switch to the AFT position. 4) Make sure all the drive-wheels forward of the cargo
compartment door turn in the aft direction.
G. Put the Airplane Back to Its Usual Condition
S 864-054
(1)
For the power-disconnect panel in the forward compartment, put the BAY NO. 4 and BAY NO. 5 switches to the OFF position.
S 864-055
(2)
For the power-disconnect panel in the aft compartment, put the BAY NO. 6 and BAY NO. 7 switches to the OFF position.
S 864-047
(3)
Put the POWER DRIVE SYSTEM switch on the cargo control panel to the OFF position.
S 864-048
(4)
Push the CAUTION switch-light on the cargo control panel until it does not flash.
S 094-034
(5)
Remove the safety barrier (3PRE65B00040) from the opening of the cargo compartment door if it is not necessary.
(6)
Close the cargo compartment door (Ref 52-34-00/001).
S 414-035
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747-400 MAINTENANCE MANUAL
S 864-036
(7) Remove the electrical ground power if it is not necessary (Ref 24-22-00/201).
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747-400 MAINTENANCE MANUAL
CARGO HANDLING CONTROL PANELS - REPAIRS
_______________________________________
1. General_______
A. This procedure has one task. This task gives the instructions to repair the joystick control knob which is loose on the cargo handling control panel.
TASK 25-53-17-308-001
2. Cargo Handling Control Panels Repairs_____________________________________
A. Special Tools and Equipment
(1) 3PRE65B00040 Lower Cargo Door Opening Safety Barrier
B. Consumable Materials
(1)
A00028 Adhesive - BMS 5-92, Type I or Type III
(2)
A00156 Adhesive - BMS 5-31
C. References
(1)
24-22-00/201, Manual Control
(2)
52-34-00/001, Forward/Aft Cargo Doors
(3)
IPC 25-53-68, 25-53-69
D. Access
(1) Location Zone
100 Lower Half of Fuselage
E. Prepare for the Repairs
S 868-002
(1)
Supply electrical ground power (Ref 24-22-00/201).
S 018-003
(2)
Open the cargo compartment door (Ref 52-34-00/001).
S 498-010
WARNING: BE CAREFUL WHEN YOU ARE NEAR THE OPENING OF THE CARGO
_______ COMPARTMENT DOOR. INSTALL A SAFETY BARRIER (3PRE65B00040) ACROSS THE OPENING OF THE DOOR UNLESS AN ACCESS STAND IS AT THE DOOR. INJURY TO PERSONS CAN OCCUR IF THEY FALL THROUGH THE OPENING OF THE DOOR.
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