(a)
11H17, FLT CONT SHUTOFF TAIL LEFT
(b)
11H18, FLT CONT SHUTOFF TAIL CTR
(c)
11H28, FLT CONT SHUTOFF TAIL RIGHT
(d)
11C10, RUD TRIM
S 492-005
(4)
Move the towing lever on the metering valve module to the tow position and install the towing lever lockpin in the nose gear (Fig. 204).
S 012-007
(5)
Open access panels 324AL and 324CL (Ref 06-42-00).
F.
Remove the Aft Quadrant Assembly (Fig. 201)
S 012-049
WARNING: STAY OFF THE SERVICE ACCESS DOOR, 311AL, AND THE ACCESS DOOR
_______ FOR THE CONTROLS BAY, 313AL. YOUR WEIGHT CAN CAUSE THE SPRING-LOADED LATCHES TO RELEASE. IF YOU FALL THROUGH THE DOOR, INJURY CAN OCCUR.
(1)
Open access door 311AL to get access to the turnbuckles for cables RA and RB (Ref 06-42-00).
S 032-051
(2)
Release the tension from cables RA and RB at their turnbuckles (Ref 27-00-01).
NOTE: These turnbuckles are located in the area aft of the aft
____
pressure bulkhead.
S 032-050
CAUTION:_______KEEP SOME TENSION IN THE CONTROL CABLES AT ALL TIMES. THIS WILL KEEP THE CABLES ON THEIR PULLEYS AND PREVENT INCORRECT CABLE OPERATION. IF THE TENSION IS REMOVED, A FULL INSPECTION OF THE CONTROL CABLE SYSTEM MUST BE DONE.
(3)
Disconnect these components from the aft quadrant:
(a)
Cables RA and RB
(b)
The rudder trim actuator
(c)
The control rods for the rollout guidance servos (3 locations)
(d)
The control rods for the ratio changer (2 locations).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-21-06
ALL ú ú 01 Page 204 ú Jun 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
SPRING
CAM ROLLER ARM ASSEMBLY NUT EYEBOLT WASHER (2) WASHER (2 LOCATIONS) BOLT ASSEMBLY TRIM ACTUATOR OUTER NUT INNER NUT
A EYEBOLT SPRING ARM ASSEMBLY
WASHER
TRIM ACTUATOR BUSHING
NUT INNER
TORQUE TUBE CAM BOLT ASSEMBLY OUTER NUT
CAM ROLLER ARM ASSEMBLY
BOLT ASSEMBLY
SPRING ARM ASSEMBLY B
RETAINERBOLT ASSEMBLY
LONG
SEE B
SPRING
SHORT
BOLT ASSEMBLY SPRING
CAM ROLLER
SEE C
ARM ASSEMBLY
TORQUE EYEBOLT INNER NUT
TUBE
SEE A
BOLT OUTER NUT
ASSEMBLY FEEL, CENTERING AND TRIM MECHANISM
SPRING ARM ASSEMBLY
TORQUE TUBE CAM
ROLLER CAM ROLLER
ARM ASSEMBLY
BOLT ASSEMBLY
C
Feel, Centering and Trim Mechanism
Figure 202
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-21-06
ALL ú ú 01 Page 205 ú Jun 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
JACKSHAFT AND FORWARD QUADRANT
0204060
80
|10 LBS
180 160
140 120 100 80 60 40 20 0
AMBIENT TEMP `F
CABLE RIG LOAD VS TEMPERATURE
Rig Pin Locations and Cable Load VS Temperature Graph
Figure 203
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-21-06
ALL ú ú 01 Page 206 ú Jun 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 032-009
(4)
Do these steps to disconnect the aft quadrant assembly:
(a)
Remove the outer nuts, washers, and the inner nuts from the two bolt assemblies that connect the quadrant to its brackets.
(b) 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 飞行操纵 FLIGHT CONTROLS 2(47)
