(2)
Access Panel
821 No. 1 Cargo Door
D. Procedure
S 824-012
(1)
Make sure the set screw points up and the load arm points aft (View A-A).
S 224-013
(2)
Make sure the drive screw shaft extends out from the motor mount the distance shown (View A-A).
S 824-017
(3)
Put the drive motor (4) on the drive screw shaft. Make sure the splines on the drive screw shaft are aligned with the splines in the drive motor (4).
S 424-018
(4)
Turn the drive motor (4) until the bolt holes are aligned. Install the bolts (1), washers (2), and nuts (3).
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A
757
MAINTENANCE MANUAL
S 434-019
(5)
Connect the electrical connectors to the drive motor (4).
S 414-020
(6)
Close the access door on module 3.
S 864-021
(7)
Remove the DO-NOT-CLOSE tags and close these P34 panel circuit
(10)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
breakers: (a) 34A6, FWD CARGO LOADER CONT (b) 34B14, FWD CARGO LOADER DRIVE
(8) S 714-022Put the cargo loader control switch in the LOAD position. the modules move in the aft direction. Make sure
(9) S 714-023Put the cargo loader control switch in the UNLOAD position. sure the modules move in the forward direction. Make
S 094-025
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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757 MAINTENANCE MANUAL
FORWARD CARGO LOADER DRIVE SCREW - REMOVAL/INSTALLATION
_______________________________________________________
1. General_______
A. This procedure contains two tasks. The first task is the removal of the drive screw. The second task is the installation of the drive screw.
TASK 25-51-02-004-001
2. Remove the Forward Cargo Loader Drive Screw (Fig. 401)___________________________________________
A. References
(1)
24-22-00/201, Electrical Power - Control
(2)
25-51-01/401, Forward Cargo Loader Drive Motor (Rotary Actuator)
(3)
25-51-05/401, Forward Cargo Loader Telescoping Baggage Modules
B. Access
(1)
Location Zones
121 Forward Cargo Compartment (Left)
122 Forward Cargo Compartment (Right)
(2)
Access Panels
821 No. 1 Cargo Door
C. Procedure
S 864-002
(1) Open this circuit breaker on the APU/External Power panel, P34, and attach a DO-NOT-CLOSE tag:
(a) 34B14, FWD CARGO LOADER DRIVE
S 014-004
(2)
Open the access door on the aft bulkhead of module 3.
S 034-005
(3)
Remove the ball lock pins (8) that hold module 3 to the drive screw (4).
(4)
Manually move the modules fully forward in the compartment.
(5)
Remove the power drive unit (rotary actuator)(Ref 25-51-01).
S 034-008
(6)
Remove the bearing block (5) from the aft end of the drive screw (4).
(7)
Disconnect and move module 2 away from module 1 (Ref 25-51-05).
(8)
Move module 2 in the aft direction.
S 984-006
S 034-007
S 984-009
S 984-010
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