(f)
Attach the spring scale to the safety wire.
NOTE: Before applying a load, make sure that the safety wire
____ is on the outer diameter of the clutch.
(g) Apply a load to the scale to cause the clutch to slip in the CW direction. Record the clutch slip measurement.
NOTE: The clutch slip load should be 18 pounds minimum.
____
H. Put the Airplane Back to its Initial Condition
S 085-146
(1)
Remove the spring scale from the attach point.
(2)
Remove the safety wire from the clutch diameter.
S 435-137
(3)
Connect the control rods to the clutch with the bolts, washers, and nuts.
S 435-138
(4)
Connect the clutch links to the clutch with the bolts, washer, and nuts.
S 085-147
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A
757
MAINTENANCE MANUAL
THRUST LEVER AUTOTHROTTLE
CONTROL ROD
DRIVE ASSEMBLY
SEE A
AUTOTHROTTLE CLUTCH SEE B
AUTOTHROTTLE
CLUTCH LINK
FORWARD
EQUIPMENT BAY
ACCESS PANEL,
113AL
AUTOTHROTTLE SERVOMOTOR GEARBOX
AUTOTHROTTLE
CLUTCH LINK
ATTACH BOLT
HOLE
INSTALL
SAFETY WIRE
AS SHOWN. AUTOTHROTTLE DRIVE ASSEMBLY
DO NOT
INSTALL A
THRU BOLT
HOLE
FWD
THRUST LEVER CONTROL ROD ATTACH BOLT HOLE
SAFETY
SAFETY
WIRE
WIRE
(CCW) (CW)
AUTOTHROTTLE CLUTCH B
Autothrottle Clutch Slip Load - Test
Figure 501
F80167
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757 MAINTENANCE MANUAL
(5) S 445-148Do the activation procedure for the spoilers if you did the deactivation procedure (AMM 27-61-00/201).
(6) S 445-149Do the activation procedure for the thrust reverser if you did the deactivation procedure (AMM 78-31-00/201).
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757 MAINTENANCE MANUAL
AUTOTHROTTLE SERVOMOTOR GENERATOR AND GEARBOX -
_______________________________________________ REMOVAL/INSTALLATION
____________________
1. General_______
A. The autothrottle servomotor generator is installed on the gearbox of the autothrottle drive assembly. The servo is held in position by three bolts. The unit has one multi-pin electrical connector. Access to the servomotor generator/gearbox assembly is through the flight/landing gear/engine control components access panel 113AL. The servomotor generator and gearbox can be removed and installed as an assembly, to make other maintenance procedures easier.
TASK 22-32-01-004-001
2. Remove the Servomotor Generator and/or the Gearbox (Fig. 401)__________________________________________________
A. Reference
(1) AMM 06-41-00/201, Fuselage (Major Zones 100 and 200) Access Doors and Panels
B. Access
(1)
Location Zones
113/114 Area Forward of NLG Wheel Well
211/212 Flight Compartment
(2)
Access Panel 113AL Flight/Landing Gear/Engine Control Components
C. Prepare for Removal
S 864-002
(1)
Open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11F14, TMC AC
(b)
11F16, TMC SERVO
(2)
Attach DO-NOT-OPERATE tags on the left and right throttle levers.
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