(e)
11J11, PCU MON MOD

 S 413-010
 (13) Close access panels 324CL, 324AL, and 324BL (AMM 06-42-00/201).
 TASK 12-21-06-643-004
 3. Rudder Power Control Actuator (PCA) - Lubrication
_________________________________________________
 A. Equipment
 (1) Rudder PCA Lockout Equipment - B27013-19
 B. Consumable Materials ú (1) D00633 Grease, Corrosion Preventive - BMS 3-33 (preferred) ú D00015 Grease, Corrosion Preventive - BMS 3-24 (optional)
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 12-21-06
 ALL  ú ú 01.1 Page 303 ú Sep 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 C. References
 (1)  06-42-00/201, Empennage Access Doors and Panels
 D. Access
 (1)  
Location Zone
 324 Vertical Stabilizer - Rear Spar to Trailing Edge

 (2)  
Access Panels
 324CL Rudder Hinge and PCAs

 E. Procedure
 S 013-006
 (1)  Open access panel 324CL to get access to the rudder PCAs
 (AMM 06-42-00/201).

 S 863-020
 WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
_______ HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
 (2)  Supply pressure to the left, right, and center hydraulic systems (AMM 29-11-00/201).
 S 863-021
 CAUTION: AVOID RUDDER SURFACE TRAVEL TO THE EXTREME FAR LEFT PRIOR TO OR
_______ DURING RUDDER ADJUSTMENT. FULL LEFT TRAVEL OF THE RUDDER BEFORE RIGGING COMPLETION RESULTS IN FULL RETRACTION OF THE PCA'S. THIS MAY CAUSE SURFACE CONTACT BETWEEN THE RUDDER LEADING EDGE AND A PCA.
 (3)  Move the rudder pedals to their full right position and do these steps:
 CAUTION: INSTALL THE AFT QUADRANT LOCKOUT TOOL BEFORE THE PCA
_______ LOCKOUT TOOL. STRUCTURAL DAMAGE CAN OCCUR IF THE TWO TOOLS ARE NOT USED TOGETHER AND IN THE CORRECT SEQUENCE.
 (a)  
Install the aft quadrant lockout tool (Fig. 304).

 (b)  
Release the rudder pedals.

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 12-21-06
 ALL  ú ú 01 Page 304 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
 S 863-030
 (4)  Remove the pressure from the hydraulic systems that supplies the PCAs (AMM 29-11-00/201).
 NOTE: The right system supplies the top PCA.
____ The left system supplies the middle PCA. The center system supplies the bottom PCA.
 S 493-022
 WARNING: DO NOT INSTALL THE PCA LOCKOUT TOOL WHEN HYDRAULIC PRESSURE IS
_______ SUPPLIED. THE RUDDER CAN MOVE QUICKLY AND CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (5)  
Install the PCA lockout tool (Fig. 304).

 S 863-023

 (6)  
Move the FLT CONTROL SHUTOFF switches L, C, and R on the right side panel, P61, to OFF. Attach DO-NOT-OPERATE tags and make sure the amber switch position legend lights come ON.

 S 863-024

 (7)  
Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags:

 (a)  11H17,  FLT CONT SHUTOFF TAIL LEFT
 (b)  11H18,  FLT CONT SHUTOFF TAIL CTR
 (c)  11H28,  FLT CONT SHUTOFF TAIL RIGHT
 (d)  11J10,  PCU MON SENSOR
 (e)  11J11,  PCU MON MOD

 S 643-005
 (8)
Lubricate the rudder PCAs as shown (Fig. 302).

 S 863-025

 (9)  
Make sure the power from the left, right, and center hydraulic systems is removed (AMM 29-11-00/201).

 S 093-026
 WARNING: DO NOT REMOVE THE PCA LOCKOUT TOOL WITH HYDRAULIC POWER ON.
_______ THE RUDDER CAN MOVE QUICKLY AND CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (10) Do these steps with hydraulic power removed:
　
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