(2)
AMM 27-51-00/201, Trailing Edge Flap System
(3)
SSM 28-16-02
(4)
WDM 28-16-12, 28-16-13
B.
Access
(1)
Location Zones
591 Rear Spar to Trailing Edge, Left
691 Rear Spar to Trailing Edge, Right
C.
Procedure
S 864-002
(1)
Open the applicable circuit breaker and attach a DO-NOT-CLOSE tag:
(a)
P7 Overhead Circuit Breaker Panel
1) 7H22 FUEL XFR VALVE RES 2A & 3A
2) 7H23 FUEL XFR VALVE RES 2B & 3B
S 864-023
WARNING: MAKE SURE THAT PERSONS AND THE EQUIPMENT ARE CLEAR BEFORE YOU
_______ MOVE THE FLAP CONTROL LEVER. THE LEADING EDGE FLAPS, THE TRAILING EDGE FLAPS AND THE FLAP DRIVE MECHANISMS WILL MOVE. WITH HYDRAULIC POWER REMOVED, ELECTRICAL POWER WILL MOVE THE FLAPS AUTOMATICALLY WHEN YOU MOVE THE FLAP CONTROL LEVER.
(2) Extend and stop the operation of the outboard trailing edge flaps (AMM 27-51-00/201).
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28-16-01
ALL ú ú 01 Page 401 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 034-004
(3)
Disconnect the electrical connector from the valve actuator.
(a)
Refer to the table that follows for the equipment numbers.
~................................................................. | | Equipment Number | | Location ............................ | | Valve | Connector | ................................................................... | No. 2 Reserve Tank - Inbd | V432 | DV432 | | No. 2 Reserve Tank - Outbd | V433 | DV433 | | No. 3 Reserve Tank - Inbd | V430 | DV430 | | No. 3 Reserve Tank - Outbd | V431 | DV431 | 2......................................…...........…..............1
S 984-005
(4)
Use the manual override lever to move the actuator to the closed position.
S 034-006
(5)
Remove the bolt, the washers, and the nut that attaches the bonding jumper to the lug on the actuator.
S 034-007
(6)
Remove the screws and the washers (4 locations) that attach the actuator to the index plate.
S 024-008
(7)
Remove the actuator.
(a)
Disengage the splined actuator shaft from the adapter plate.
TASK 28-16-01-404-009
3. Reserve Tank Transfer Valve Actuator Installation (Fig. 401)_________________________________________________
A. Equipment
(1)
Bonding Meter (SWPM 20-20-00) Approved for use in fuel vapor areas.
B.
References
(1)
AIPC 28-16-01, Fig. 2
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 27-51-00/201, Trailing Edge Flap System
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28-16-01
ALL ú ú 01 Page 402 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
RESERVE TANK TRANSFER VALVE ACTUATOR
SEE A
INDEX PLATE ADAPTER PLATE MOUNTING SCREW (3 LOCATIONS) INDEX PLATE
ELECTRICAL CONNECTOR
ACTUATOR MOUNTING HOLE (4 LOCATIONS)
WASHER (4 LOCATIONS) MOTOR
FWD BONDING JUMPER ACTUATOR MANUAL OVERRIDE LEVER ACTUATOR MOUNTING SCREW (4 LOCATIONS) A RESERVE TANK TRANSFER VALVE ACTUATOR INBD
Reserve Tank Transfer Actuator Installation Figure 401 (Sheet 1)
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