C. Install the Servomotor Generator/Gearbox Assembly
S 424-014
(1) Hold the gearbox assembly (3) and connect the gearbox assembly spline with the autothrottle clutch-pack quill shaft (8).
(a) Install the bolts (2) and washers (1).
S 434-015
(2) Connect the electrical connector.
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S 714-016
(3) Do a test of the servomotor generator/gearbox assembly.
TASK 22-32-01-714-017
5. Test the Servomotor Generator/Gearbox Assembly______________________________________________
A. References
(1)
AMM 06-41-00/201, Fuselage (Major Zones 100 and 200) Access Doors and Panels
(2)
AMM 22-00-02/201, Autoflight BITE
(3)
AMM 24-22-00/201, Electrical Power - Control
(4)
AMM 27-61-00/201, Spoiler/Speedbrake Control System
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 Test
S 864-018
(1)
Supply electrical power (AMM 24-22-00/201).
S 864-019
(2)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:
(a)
11F14, TMC AC
(b)
11F16, TMC SERVO
S 864-020
(3)
Remove the DO-NOT-OPERATE tags on the left and right throttle levers.
S 864-021
(4)
Set the A/T switch on the AFCS mode control panel (on the P55 panel) to ARM.
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S 864-028
WARNING: THIS TEST USES MOVEMENT OF THRUST LEVERS AND CAN CAUSE AIRPLANE
_______ MOVEMENT IF ENGINES ARE ON OR SPOILER/SPEEDBRAKE MOVEMENT IF PRESSURE TO THE HYDRAULIC SYSTEMS IS ON. REFER TO THE SPOILER/SPEEDBRAKE DEACTIVATION PROCEDURE (AMM 27-61-00/201). ACCIDENTAL ENGINE OPERATION OR SPOILER/SPEEDBRAKE MOVEMENT CAN CAUSE BAD INJURY TO PERSONS.
(5)
Do the deactivation procedure for the spoilers (AMM 27-61-00/201) or move all persons and equipment away from the spoilers.
S 864-029
(6)
Make sure the engines are not on.
D. Procedure
S 714-023
(1) Do the MCDP Ground Test 10 SERVO A/T (AMM 22-00-02/201).
E. Put the Airplane Back to Its Initial Condition
S 864-024
(1)
Set the A/T switch on the AFCS mode control panel to OFF.
S 864-025
(2)
Do the activation procedure for the spoilers if you did the
deactivation procedure (AMM 27-61-00/201).
(3)
Close the access panel, 113AL (AMM 06-41-00/201).
(4)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
S 414-026
S 864-027
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DISENGAGE SWITCHES - REMOVAL/INSTALLATION
_________________________________________
1. General_______
A. One autothrottle disengage switch is installed on the outboard side of each thrust lever. The knob at the inboard end of each thrust lever is removed to access each switch. Electrical connections to the switches are screw-attached.
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