S 414-019

 (7)  
Close the access door on module 2.

 S 824-016
 S 434-017
 S 434-018
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 (8)  S 864-020Remove the DO-NOT-CLOSE tags and close these P34 panel circuit breakers: (a) 34A7, AFT CARGO LOADER CONT (b) 34B16, AFT CARGO LOADER DRIVE
 (9)  S 714-021Put the cargo loader control switch in the LOAD position. (a) Make sure the modules move forward.
 S 714-022

 (10) Put the cargo loader control switch in the UNLOAD position.
 (a) Make sure the modules move aft to the cargo door.
 S 864-023
 (11) Remove electrical power if it is not necessary (Ref 24-22-00).
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757 MAINTENANCE MANUAL
 AFT CARGO LOADER DRIVE SCREW - REMOVAL/INSTALLATION
___________________________________________________
 1.  General
 A.  This procedure contains two tasks. The first task gives the instructions to remove the drive screw. The second task gives the instructions to install the drive screw.
 TASK 25-51-22-004-001
 2.  Remove the Aft Cargo Loader Drive Screw (Fig. 401)_______________________________________
 A.  References
 (1)  
24-22-00/201, Electrical Power - Control

 (2)  
25-51-00/501, Cargo Loader Systems

 (3)  
25-51-21/401, Aft Cargo Loader Drive Motor (Rotary Actuator)

 (4)  
25-51-25/401, Aft Cargo Loader Telescoping Baggage Modules

 B.  Access
 (1)  
Location Zones
 153/154 Aft Cargo Compartment

 (2)  
Access Panels
 822 No. 2 Cargo Door

 C.  Procedure
 S 864-028
 (1)  Open this circuit breaker on the APU external power panel, P34, and attach a DO-NOT-CLOSE tag:
 (a)  34B16, AFT CARGO LOADER DRIVE
 S 864-003
 (2)  
Remove electrical power (Ref 24-22-00).

 S 014-004

 (3)  
Open the access door (4) on module 2 (8).

 S 034-005

 (4)  
Remove the ball lockpins (7) that hold module 2 (8) to the drive screw (3).

 S 824-006

 (5)  
Manually move the modules fully aft in the compartment (to the door).

 (6)  
Remove the rotary actuator (6) (Ref 25-51-21).

 S 034-008

 (7)  
Remove the bearing block (5) from the forward end of the drive screw (3).

 (8)  
Separate module 2 (8) from module 1 (1) (Ref 25-51-25).

 S 034-007
 S 824-009
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6. ROTARY
5. BEARING
ACTUATOR
BLOCK
AFT CARGO COMPARTMENT

Aft Cargo Loader Drive Screw Installation

Figure 401

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