(a)
1.0 |0.2 degrees up for the inboard elevators.
(b)
1.0 |0.5 degrees down for the outboard elevators.
S 095-029
(8)
Remove the rig pin MS20392-4C from the transmitter assembly.
S 845-030
(9)
Do this task to release the pressure in the auxiliary pitot static systems 1 and 2: "Pitot Static System Depressurization" (AMM 34-11-00/201).
S 845-031
(10)
Do this task: "Remove Hydraulic Power" (AMM 29-11-00/201).
S 095-032
(11)
Remove the rig pins E-1 and E-2.
S 415-033
(12)
Close the access panel that you opened for the transmitter adjustment.
(13)
Close the access doors 312A and 315A.
S 415-035
(14)
Install the ceiling panel that you removed to get access to the control column torque tube.
S 865-036
(15)
If the electrical power is not necessary, do this task: "Remove Electrical Power" (AMM 24-22-00/201).
S 415-034
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
ELEVATOR POSITION TRANSMITTER - REMOVAL/INSTALLATION
____________________________________________________
1. General_______
A. There are two tasks in this procedure. There is one task for the removal and one task for the installation of the elevator position transmitter.
(1)
The installation of the elevator rig pins E-1 and E-2
(2)
The removal of the elevator position transmitter
(3)
The installation of the replacement transmitter
(4)
The pressurization of the auxiliary pitot-static systems 1 and 2
(5)
The adjustment of the transmitter.
B.
The removal and installation procedure is the same for the inboard or the outboard elevator position transmitters.
TASK 27-38-01-004-001
2. Elevator Position Transmitter Removal (Fig. 401)_____________________________________
A. Special Tools and Equipment
(1)
G12001-50 - Rig Pin Kit
B.
References
(1)
AMM 24-22-00/201, Manual Control
(2)
AMM 27-38-00/501, Elevator Position Indicating System
(3)
AMM 29-11-00/201, Main Hydraulic Supply System
(4)
AIPC 27-38-01, Fig. 1
(5)
SSM 27-38-01
(6)
WDM 27-38-11
C.
Access
(1)
Location Zone 334 Horizontal Stabilizer Rear Spar to Trailing Edge, LH 344 Horizontal Stabilizer Rear Spar to Trailing Edge, RH
(2)
Access Panel 334KBL Horizontal Stabilizer Access Panel, Trailing Edge, LH for Left Outboard Transmitter 334GBL Horizontal Stabilizer Access Panel, Trailing Edge, LH for Left Inboard Transmitter 334GBR Horizontal Stabilizer Access Panel, Trailing Edge, RH for Right Inboard Transmitter 334KBR Horizontal Stabilizer Access Panel, Trailing Edge, RH
for Right Outboard Transmitter 315A Access Door
D. Set the Elevator and the Stabilizer to Neutral
S 864-002
(1)
Do this task: "Supply Electrical Power" (AMM 24-22-00/201).
(2)
Do this task: "Supply Hydraulic Power" (AMM 29-11-00/201).
S 864-003
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A 747-400 MAINTENANCE MANUAL
BONDING JUMPER
SEE E
OUTBOARD
ELEVATOR
SEE A POSITION
TRANSMITTER
SEE B
INBOARD ELEVATOR BONDING STABILIZER
POSITION TRANSMITTER JUMPER RIB
CONTROL ROD SEE C
OUTBOARD ELEVATOR
B
SEE E 0.39 MAX
THUMBNUT
STABILIZER RIB 0.53 MAX
CONTROL ELECTRICAL
C
ROD CONNECTOR
INBOARD SEE D
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