25-51-00
 ú ú 07 Page 203 ú Jun 20/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 032-007
 (4)  Remove the two ball lock pins to disconnect the module from the ball
 nut-load arms. ú ú S 822-008 ú (5) Move the load arms down to allow the cable and stop sleeve to rest ú on top of the ball screw. The load arms will rest along the sides ú of the drive screw.
 S 432-009
 (6)  
Extend the modules to align the holes in the retainer with the holes in the floor-mounted pin block. Install the ball lock pins through these holes to lock the modules.

 S 412-010

 (7)  
Close the access door on the module.

 TASK 25-51-00-442-011
 3. Activate Cargo Loader (Fig. 201)
_____________________
 A. References
 (1)  
24-22-00/201, Electrical Power - Control

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

 B. Access
 (1)  
Location Zones
 121 Forward Cargo Compartment (Left)
 122 Forward Cargo Compartment (Right)
 153 Aft Cargo Compartment (Left)
 154 Aft Cargo Compartment (Right)

 (2)  
Access Panels
 821 No. 1 Cargo Door
 822 No. 2 Cargo Door

 C. Procedure
 S 012-012
 (1)  
Open the access door on the module.

 S 032-013

 (2)  
Remove the ball lock pins from the holes in the floor-mounted pin block.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH THE CARGO LOADER SYSTEM ú

 25-51-00
 ú ú 04.1 Page 204 ú Sep 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 822-015
 (3)  Put the modules in a position that will let you align the module to
 the ball nut-load arms. ú ú S 422-023 ú         ú
CAUTION:_______WHEN INSTALLING THE BALL LOCK PINS THE BALL NUT SET SCREW ú MUST FACE UP OR DAMAGE TO THE TROUGH CAN OCCUR. ú
 (4)  
Install the ball lockpins to connect the module to the ball nut load arms.

 S 412-016

 (5)  
Close the access door on the module.

 S 862-017

 (6)  
For the forward cargo loader, remove DO-NOT-CLOSE tags and close these P34 panel circuit breakers:

 (a)  
34A6, FWD CARGO LOADER CONT

 (b)  
34B14, FWD CARGO LOADER DRIVE

 S 862-018
 (7)  
For the aft cargo loader, remove the DO-NOT-CLOSE tags and close these P34 panel circuit breakers:

 (a)  
34A7, AFT CARGO LOADER CONT

 (b)  
34B16, AFT CARGO LOADER DRIVE

 (8)  
Supply electrical power (Ref 24-22-00).

 (9)  
Do the cargo loader test (Ref 25-51-00).

 (10)
 Remove electrical power if it is not necessary (Ref 24-22-00).

 S 862-019
 S 712-020
 S 862-021
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH THE CARGO LOADER SYSTEM ú

 25-51-00
 ú ú 03.1 Page 205 ú Sep 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 CARGO LOADER SYSTEM - ADJUSTMENT/TEST
_____________________________________
 1.  General
_______
 A.  This procedure contains two tasks. The first task is an operational test for the forward cargo loader system. The second task is an operational test for the aft cargo loader system.
 TASK 25-51-00-705-114
 2.  System Test - Forward Cargo Loader (Fig. 501)
__________________________________
 A.  Equipment
 (1)  Deactuator, Limit Switch - 0.75 x 1.50 x 0.05
 inches, make from ferrous material.

 B.  References
 (1)  
24-22-00/201, Electrical Power - Control
　
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