S 024-031-N00
(2)
Hold up the servomotor generator and remove the bolts, washers and nuts that attach the servomotor generator to the gearbox.
NOTE: Do not do this step if you will remove the servomotor
____ generator and the gearbox as an assembly. Do the subsequent step to remove the servomotor generator and the gearbox as an assembly.
S 034-008-N00
(3) Remove the bolts and the washers that attach the gearbox to the frame of the control stand.
NOTE: If you remove the two components as an assembly, hold up the
____ servomotor generator when you remove the bolts.
S 024-009-N00
(4) Remove the gearbox assembly from the frame of the control stand.
TASK 76-12-01-404-010-N00
3. Install the Servomotor Generator and the Gearbox
________________________________________________
A. Consumable Materials
(1) D00013 Grease - MIL-G-23827
B. References
(1)
AMM 34-61-00/501, Flight Management Computer System
(2)
AMM 76-11-03/201, Control Stand
(3)
IPC 22-31-03 Fig. 1
C. Access
(1) Location Zone
221/222 Flight Compartment
D. Install the Servomotor Generator and the Gearbox (Fig. 401).
S 644-019-N00
(1)
Put the grease, D00013, on the drive gear of the servomotor generator.
(2)
Put the grease, D00013, on the mating receptacle of the gearbox.
S 644-032-N00
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 424-020-N00
CAUTION: BE VERY CAREFUL WHEN YOU INSTALL THE DRIVE GEAR OF THE
_______ SERVOMOTOR GENERATOR INTO THE RECEPTACLE ON THE GEARBOX. IF THE SPLINES OF THE DRIVE GEAR ARE NOT ALIGNED WITH THE RECEPTACLE, DAMAGE TO THE TWO COMPONENTS CAN OCCUR.
(3)
Put the servomotor generator in the correct position on the gearbox and install the bolts, washers and nuts.
S 424-011-N00
(4)
Align the gearbox with the splines on the quill shaft and install the gearbox in the correct position.
S 434-012-N00
(5)
Hold up the servomotor generator and install the bolts and washers to attach the gearbox to the control stand frame.
S 434-021-N00
(6)
Connect the electrical connector, DM7444, to the servomotor generator, M7444.
E.
Put the Airplane Back to Its Usual Condition.
S 414-034-N00
(1)
Do this task: Install the Control Stand Side Panels
(AMM 76-11-03/201).
S 444-035-N00
(2)
Do this task: Activate the Autothrottle Servomotor
(AMM 76-11-03/201).
S 444-036-N00
(3)
Do this task: Activate the Captain and the First Officer Seats (AMM 76-11-03/201).
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(4) S 714-017-N00Do this task: Operational Test - Flight Management Computer System (AMM 34-61-00/501).
(5) S 944-037-N00Remove the DO-NOT-OPERATE tags from the forward and the reverse thrust levers.
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AUTOTHROTTLE DISCONNECT AND GO-AROUND SWITCHES - REMOVAL/INSTALLATION
_____________________________________________________________________
1. General
_______
A. There are three tasks in this procedure. The first task gives instructions to remove the autothrottle switches and the go-around switches. The second task gives instructions to install the autothrottle switches. The third task gives instructions to install the go-around switches.
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