(2)
Access Panels 324CL Rudder Hinge and PCAs 324AL Body to Fin Seal 324BL Aft Side of Rear Spar and Rudder Hinge
E. Procedure
S 013-007
(1) Open access panels 324AL, 324BL, and 324CL to get access to the yaw damper summing linkages (Ref 06-42-00/201).
S 863-012
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).
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S 863-011
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.
S 863-029
(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 493-013
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 863-016
(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 863-014
(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
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S 643-001
(8)
Lubricate the rudder hinges as shown (Fig. 301).
S 643-003
(9)
Lubricate the yaw damper linkages as shown (Fig. 303).
S 863-017
(10)
Make sure the power from the left, right, and center hydraulic systems is removed (AMM 29-11-00/201).
S 093-018
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.
(11) Do these steps with hydraulic power removed:
(a)
Remove the PCA lockout tool.
(b)
Remove the aft quadrant lockout tool.
S 863-019
(12) Remove the DO-NOT-CLOSE tags and close these circuit breakers on the overhead panel, P11:
(a)
11H17, FLT CONT SHUTOFF TAIL LEFT
(b)
11H18, FLT CONT SHUTOFF TAIL CTR
(c)
11H28, FLT CONT SHUTOFF TAIL RIGHT
(d) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 SERVICING 1(96)
