S 864-069
(3)
Open the applicable circuit breaker and attach a DO-NOT-CLOSE tag:
(a)
P6 Main Power Distribution Panel
1) 6E17, CTR R & MAIN 2 JTSN VLV
2) 6F17, CTR L & MAIN 3 JTSN VLV
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A
747-400 MAINTENANCE MANUAL
S 034-027
(4) Disconnect the electrical connector (2) from the actuator (1).
NOTE: Refer to this table for the equipment numbers.
____
~................................................................. | | Equipment Number | | Location ............................ | | Valve | Connector | ................................................................... | No. 2 Main Tank | V442 | DV442 | ................................................................... | No. 3 Main Tank | V443 | DV443 | 2......................................…...........…..............1
S 034-028
(5)
Remove the screw (8), washers (6), and nut (5) that attach the bonding jumper (7) to the bonding lug on the actuator (1).
S 864-029
(6)
Make sure the manual override lever on the actuator (1) is in the closed position.
S 034-030
(7)
Remove the screws (3) and washers (4) (four locations) that attach the actuator (1) to the index plate.
S 024-031
(8)
Disengage the actuator shaft with splines from the adapter plate to remove the actuator (1).
TASK 28-31-04-404-032
5. Fuel Jettison Transfer Valve Actuator in the Inboard Main Tank Installation___________________________________________________________________________ (Fig. 402)
A. Parts
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MAINTENANCE MANUAL
ACTUATOR OF THE FUEL JETTISON TRANSFER VALVE
SEE A
2. ELECTRICAL 3. SCREW
CONNECTOR (4 LOCATIONS) 4. WASHER
(4 LOCATIONS)
INDEX PLATE
ADAPTER PLATE
1. ACTUATOR
8. SCREW
6.
WASHER
7.
BONDING JUMPER
MANUAL OVERRIDE LEVER
5.
NUT
6.
WASHER
REAR SPAR
ACTUATOR OF THE FUEL FWD JETTISON TRANSFER VALVE
A
Fuel Jettison Transfer Valve Actuator (Inboard Main Tanks) Figure 402
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MAINTENANCE MANUAL
~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 402 | 1 | Actuator | 28-31-04 | 01 | 13 | | | 3 | Screw | | | 30 | | | 4 | Washer | | | 40 | | | 5 | Nut | | | 11 | | | 6 | Washer | | | 09 | | | 8 | Screw | | | 08 | 2......…........…...................................…..........….....….........1
B. References
(1)
AMM 20-11-15/401, Bonding Jumpers and Ground Leads
(2)
AMM 20-22-01/601, Electrical Bonding
(3)
AMM 28-31-00/501, Fuel Jettison System
(4)
AMM 32-00-30/201, Landing Gear Door Locks
(5)
AIPC 28-31-04, Fig. 1
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