(9)
AMM 32-09-02/201, Air/Ground Relays
(10)
AMM 34-61-02/401, Control display Unit
(11)
AMM 45-10-00/501, Central Maintenance Computer (CMC)Access
(1)
Location Zones 221 Control Cabin, Left 222 Control Cabin, Right
Preconditions
S 865-257
(1)
These conditions are necessary for this task:
(a)
Fuel Jettison System serviceable.
(b)
A specific fuel quantity is not necessary for this task.
(c)
Electrical Power On (AMM 24-22-00/201).
(d)
Fuel System Card File serviceable (AMM 28-22-16/401).
(e)
Integrated Display System (IDS) serviceable (AMM 31-61-00/501).
(f)
Airplane must be in the ground mode (AMM 32-09-02/201).
(g)
CDU installed (AMM 34-61-02/401).
(h)
Central Maintenance Computer (CMC) serviceable
(AMM 45-10-00/501).Prepare for the Test
S 865-069
(1)
Supply electrical power (AMM 24-22-00/201).
S 865-110
(2)
Make sure these circuit breakers are closed:
(a)
On the main power distribution panel, P6:
1) 6C17, FUEL JTSN CONT B
2) 6C18, JTSN NOZZLE VLV CONT R
3) 6D17, FUEL JTSN CONT A
4) 6D18, JTSN NOZZLE VLV CONT L
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A
747-400 MAINTENANCE MANUAL
5) 6E17, CTR R & MAIN 2 JTSN VLV
6) 6F5, FUEL SYS MGMT CARD A
7) 6F6, FUEL SYS MGMT CH1
8) 6F7, FUEL SYS MGMT CARD B
9) 6F8, FUEL SYS MGMT CH2
10) 6F17, CTR L & MAIN 3 JTSN VLV
(b)
On the overhead circuit breaker panel, P7:
1) 7H21, FUEL XFR VLV - MN 1
2) 7H24, FUEL XFR VLV - MN 4
(c)
On the DC power distribution panel, P180:
1) 180E2, FUEL OVRD/JTSN PMP CONT CTR L
2) 180E3, FUEL OVRD/JTSN PMP CONT FWD 2&3
3) 180E18, FUEL OVRD/JTSN PMP CONT AFT 2&3
4) 180H17, FUEL SYS EICAS INTFC CONT
5) 180H18, FUEL OVRD/JTSN PMP CONT CTR R
(d)
On the left power distribution center, P414:
1) 414C5, FUEL OVRD/JTSN PUMP FWD 3
2) 414C2, FUEL OVRD/JTSN PUMP FWD 2
3) 414D2, OVRD/JTSN PUMP CTR-L
(e)
On the right power distribution center, P415:
1) 415A38, FUEL OVRD/JTSN PUMP AFT 2
2) 415B38, FUEL OVRD/JTSN PUMP AFT 3
3) 415M32, OVRD/JTSN PUMP CTR-R
S 865-120
(3) Make sure the airplane is in the ground mode (the airplane is not held up by jacks and targets are not installed).
S 865-170
WARNING: MAKE SURE THE WHITE ON INDICATION LIGHT IN EACH JETTISON
_______ NOZZLE VALVE SWITCH DOES NOT SHOW. A WHITE ON INDICATION LIGHT SHOWS THAT THE NOZZLE VALVES ARE OPEN. IF THE FUEL JETTISON NOZZLE VALVES ARE OPEN, FUEL CAN FLOW FROM THE WING TIPS AT THE JETTISON NOZZLES. A FUEL LEAK CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(4) Make sure the FUEL JETTISON L-NOZZLE and NOZZLE-R switches on the fuel jettison module (P5 pilots' overhead panel) are closed (the white ON indication light in each switch does not show).
S 865-168
WARNING: MAKE SURE THESE CIRCUIT BREAKERS ARE OPEN AND DO-NOT-CLOSE TAGS
_______ ARE ATTACHED. FAILURE TO OPEN THESE CIRCUIT BREAKERS COULD CAUSE FUEL LEAKAGE. A FUEL LEAK CAN CAUSE A DANGEROUS CONDITION FOR EQUIPMENT AND PERSONS.
(5)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a)
On the main power distribution panel, P6:
1) 6C18, JTSN NOZZLE VLV CONT R
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本文链接地址：747-400 AMM 飞机维护手册 燃油 FUEL 4(3)
