12-21-08
 ALL  ú ú 01 Page 325 ú May 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 863-246
 (8)  
Remove the electrical power if it is not necessary
 (Ref 24-22-00/201).

 S 443-247

 (9)  
Do the activation procedure for the thrust reverser
 (Ref 78-31-00/201).

 TASK 12-21-08-643-249
 8. Lubricate the Leading Edge (LE) Slat Power Drive Unit (PDU) Control Rod
_______________________________________________________________________
 A. Equipment
 (1)  
Trailing Edge Flap Power Drive Unit Lock - B27008-1

 (2)  
Circuit Breaker Lockout Clip
 (Commercially Available)

 (3)  
LE Slat Drive Lock Set - B27020-31

 (includes CB Locks B27020-25 and B27065-1. Valve Locks B27020-32 or B27077-1 are not used in this procedure)
 B. Consumable Materials
 (1)  
D00014 Grease - MIL-G-21164 (Recommended)

 (2)  
D00013 Grease - MIL-G-23827 (Optional)

 C. References
 (1)  
06-44-00/201, Wing Access Doors and Panels

 (2)  
24-22-00/201, Electrical Power - Control

 (3)  
AMM 27-81-00/201, LE Slat System - Maintenance Practices

 (4)  
29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems

 (5)  
32-00-15/201, Landing Gear Door Locks

 (6)  
32-00-20/201, Landing Gear Downlocks

 (7)  
78-31-00/201, Thrust Reverser System

 D. Access
 (1)  Location Zones 193/194 Wing to Body - Forward Lower Half 211/212 Control Cabin 510/610 Wing Leading Edge - Forward of Front Spar and Inboard
 of Nacelle Strut 520/620 Wing Leading Edge - Forward of Front Spar and
 Outboard of Nacelle Strut 730/740 Left and Right Main Landing Gears and Doors 732/742 Left and Right Main Landing Gear Wheel Well
 (2)  Access Panels 511CB or 193BL LE Slat Power Drive Unit and Hydraulics
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 12-21-08
 ALL  ú ú 01 Page 326 ú Sep 28/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 E. Prepare for the Lubrication
 NOTE: The LE Slat PDU is found aft of the left wing strakelet and
____
 installed on the left wing front spar.

 S 043-250
 WARNING: DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
_______ OPERATION OF THE THRUST REVERSER. ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURY TO YOU OR DAMAGE TO EQUIPMENT.
 (1)  
Do this procedure: Thrust Reverser Deactivation for Ground
 Maintenance (Ref 78-31-00/201).

 S 863-251

 (2)  
Make sure the trailing edge (TE) flaps and LE slats are fully extended (AMM 27-81-00/201).

 S 863-252

 (3)  
Make sure the flap control lever is in the 30-unit detent.

 S 863-253

 (4)  
Install a DO-NOT-OPERATE tag on the flap control lever.

 S 843-254

 (5)  
Make sure the downlocks are installed on the nose and main landing gear (Ref 32-00-20/201).

 S 483-255
 WARNING:_______USE AMM 32-00-15/201 TO INSTALL THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
 (6)  
Open the doors for the main landing gear and install the door locks (Ref 32-00-15/201).

 S 863-256

 (7)  
Remove the pressure from the left hydraulic system
 (Ref 29-11-00/201).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 12-21-08
 ALL  ú ú 01 Page 327 ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 013-261
 (8)  Remove the access panels that follow (AMM 06-44-00/201):
 (a)  511CB or 193BL LE Slat Power Drive Unit and Hydraulics
　
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