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(3)
Supply electrical power (AMM 24-22-00/201).
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(4)
Supply pneumatic power (AMM 36-00-00/201).
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(5)
Put the parking brake in the ON position, and if it is necessary, use the electric pump in the hydraulic system No. 4 for a pressure source.
NOTE: If the hydraulic system No. 4 is pressurized with the
____ engine-driven or air-driven pump, put the HYD PUMPS DEMAND 4 switch to the AUTO or the ON position, as it is applicable.
(a) If the electrical pump is used as a pressure source, put the HYD PUMPS DEMAND 4 switch to the AUX position.
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(6) On the pilot's overhead panel, P5, make sure the components that follow are in the specified position:
(a)
Applicable ELEC ENG CONTROL switch - NORM
(b)
HYD PUMPS DEMAND 1, 2, and 3 switches - OFF
(c)
HYD PUMPS ENGINE 1, 2, 3, and 4 switches - OFF
(d)
Fire handles 1, 2, 3, 4 and APU - in
(e)
ENGINE AUTOSTART switch - OFF
(f)
START 1, 2, 3, and 4 buttons - in
(g)
FUEL X FEED 1, 2, 3, and 4 switches - ON
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(h)
Fuel switches:
1) CTR L and R switches - off
2) Applicable MAIN AFT and FWD switches - ON
(i)
OVRD 2 and 3 AFT and FWD switches - OFF
(j)
STAB L and R switches - off
(k)
Applicable engine NACELLE ANTI-ICE switch - OFF
(l)
WING ANTI-ICE switch - OFF
(m)
PACKS 1, 2, and 3 switches - OFF
(n)
Applicable ENGINE BLEED switch - ON
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(7)
On the pilots' overhead maintenance panel, P461, make sure the FLT CONTROL SHUTOFF 1, 2, 3, and 4 TAIL and WING switches are in the OFF position.
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(8)
On the pilots' center instrument panel, P2, make sure the ALTN FLAPS switch is in the OFF position.
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WARNING: DO NOT USE THE SERVICE INTERPHONE JACK ON THE ENGINE NACELLE OF
_______ THE ENGINE YOU WILL MOTOR OR START, OR WHICH IS IN OPERATION. IF YOU DO NOT OBEY THESE INSTRUCTIONS, THE ENGINE INLET SUCTION OR EXHAUST BLAST CAN CAUSE INJURY TO PERSONS.
(9) Make sure the person on the ground can talk to the person in the control cabin.
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WARNING: MAKE SURE YOU OPEN THE APPLICABLE CIRCUIT BREAKERS FOR THE
_______ ENGINE IGNITION BEFORE YOU OPEN THE ENGINE CIRCUIT BREAKER FOR THE FUEL CONTROL VALVE. THE IGNITER PLUGS CAN START THE IGNITION AUTOMATICALLY IF YOU DO NOT OPEN THE CIRCUIT BREAKERS. IF THE COMBUSTION CHAMBER HAS FUEL IN IT, AN INTERNAL ENGINE FIRE OR A TAILPIPE FIRE CAN OCCUR. THE FIRE CAN CAUSE INJURY TO PERSONS AND DAMAGE TO THE ENGINE.
(10) For the applicable engine, open these circuit breakers and install the DO-NOT-CLOSE tags:
(a) P6 Main Power Distribution Panel
1) 6F1 IGN 1 ENG 1
2) 6F2 IGN 1 ENG 2
3) 6F3 IGN 1 ENG 3
4) 6F4 IGN 1 ENG 4
5) 6K19 IGN 2 ENG 1
6) 6K20 IGN 2 ENG 2
7) 6K21 IGN 2 ENG 3
8) 6K22 IGN 2 ENG 4
9) 6G19 STBY IGN ENG 1
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10) 6G20 STBY IGN ENG 2
11) 6G21 STBY IGN ENG 3
12) 6G22 STBY IGN ENG 4
F. Procedure (Fig. 208 and Fig. 209)
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CAUTION:_______YOU MUST OBEY THE STARTER OPERATION LIMITS. IF YOU DO NOT OBEY THE LIMITS, YOU CAN CAUSE DAMAGE TO THE STARTER.
(1) Pull out the applicable START button.
NOTE: When you pull out the START button, the starter will engage
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本文链接地址：747-400 AMM 飞机维护手册 动力装置 POWER PLANT 1(40)
