(a)
E/ST6 - P/N B20003-21
(b)
E/ST7 - P/N B20003-21
(c)
R1A - P/N B20003-26
(d)
R1B - P/N B20003-26
(e)
R2 - P/N B20003-22
(f)
R3 - P/N B20003-16
(g)
R5 - P/N B20003-17
(h)
R6 - P/N B20003-17
(i)
R7 - P/N B20003-13
(j)
R8 - P/N B20003-13
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-21-00
ALL ú ú 06 Page 526 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C.
D.
E.
A
757
MAINTENANCE MANUAL
(k)
R9 - P/N B20003-54
(2)
Nose Gear Towing Lever Lockpin - A09003-1
(3)
Cable Tensiometer, Commercially AvailableReferences
(1)
AMM 06-41-00/201, Fuselage Access Doors and Panels
(2)
AMM 06-42-00/201, Empennage Access Doors and Panels
(3)
AMM 20-10-03/401, Control Cables
(4)
AMM 20-10-24/201, Rig Pins
(5)
AMM 22-13-01/401, Autopilot Rollout Guidance Servo
(6)
AMM 24-22-00/201, Electrical Power - Control
(7)
AMM 27-21-12/201, Rudder Ratio Changer Mechanism
(8)
AMM 27-21-13/201, Ratio Changer Actuator
(9)
AMM 27-28-00/501, Rudder Position Indicating System
(10)
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic SystemsAccess
(1)
Location Zones 113 Area Forward of the NLG Wheel Well 119 Main Equipment Center 211/212 Control Cabin 324 Vertical Stabilizer, Rear Spar to Trailing Edge
(2)
Access Panels 113AL Flight/Landing Gear/Engine Control Components 119BL Main Equipment Center 311AL Control Cables 322BZ Lower Forward Torque Box 324AL Body to Fin Seal 324BL Aft Side of Rear Spar and Rudder Hinge 324CL Rudder Hinge and PCAs
Prepare for Adjustment
S 865-065
(1)
Supply electrical power (AMM 24-22-00/201).
S 865-066
(2)
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 switch position lights come ON.
S 865-067
(3)
Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11A18, YAW DAMPER LEFT
(b)
11C10, RUD TRIM
(c)
11F34, YAW DAMPER RIGHT
(d)
11H17, FLT CONT SHUTOFF TAIL LEFT
(e)
11H18, FLT CONT SHUTOFF TAIL CTR
(f)
11H28, FLT CONT SHUTOFF TAIL RIGHT
(g)
11J17, RUDDER TRIM POS
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-21-00
ALL ú ú 07 Page 527 ú Sep 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 865-068
(4)
Move the YAW DMPR switches on the pilot's overhead panel, P5, to INOP. Attach DO-NOT-OPERATE tags and make sure the switch position lights come ON.
S 015-069
(5)
Open these access panels and doors (AMM 06-42-00/201):
(a)
324AL to get access to the aft quadrant, feel, centering, and trim mechanism and the autopilot rollout guidance servos.
(b)
324BL to get access to the ratio changer mechanism, the yaw damper summing lever, and the rudder position transmitter.
(c)
324CL to get access to the bottom, middle, and top power control actuators (PCAs).
WARNING: STAY OFF THE SERVICE ACCESS DOOR, 311AL, AND THE ACCESS
_______ DOOR FOR THE CONTROLS BAY, 313AL. YOU WEIGHT CAN CAUSE THE SPRING-LOADED LATCHES TO RELEASE. IF YOU FALL THROUGH THE DOOR, INJURY CAN OCCUR.
(d)
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