(c)
Remove the cord which attaches the electrical connector DV121 to the actuator on the bleed air valve.
(d)
Remove the caps from the electrical connector DV121 and the mating connector.
(e)
Connect the electrical connector DV121 to the mating connector in the actuator on the bleed air valve for the APU.
S 842-103
(2)
Do these steps to put the APU fuel shutoff valve back to its usual condition (Fig. 206):
(a)
Remove the lockwire from the manual override lever.
(b)
Remove the cord which attaches the electrical connector DV119 to the valve actuator.
(c)
Remove the caps from the electrical connector DV119 and the mating connector.
(d)
Connect the electrical connector DV119 to the mating connector in the fuel shutoff valve for the APU.
(e)
If it is not necessary to do other tasks, do this task: Body Landing Gear Door Lock Removal (AMM 32-00-30/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
49-11-00
ALL ú ú 06 Page 239 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 012-370
(3)
Open the left APU access door, 317AL, and right APU access door, 318AR:
(a)
While you hold the two APU access doors in the closed position, open the six latches on the right access door.
NOTE: The left access door will open fully and the right
____ access door will drop approximately one inch (2.5 cm) from the fuselage frame when the last latch is opened.
NOTE: A lanyard is attached to the aft end of the right access
____ door to hold the access door to the APU compartment bulkhead.
CAUTION: BE CAREFUL NOT TO MOVE THE TWO APU ACCESS DOORS TO THE
_______ OUTBOARD SIDE FROM THE FULL OPEN POSITION. THE FULL OPEN POSITION IS WHERE THE APU ACCESS DOOR IS DOWN AND THE TWO HOLD-OPEN RODS ARE CONNECTED TO THE TWO BRACKETS ON THE APU COMPARTMENT BULKHEAD. DAMAGE TO THE ELEVATOR CONTROL SURFACES CAN OCCUR.
(b)
Open the left access door to the fully open position and remove the two hold-open rods from the two clips.
(c)
Remove the two quick-release pins from the two brackets on the left APU compartment bulkhead.
(d)
Connect the two hold-open rods from the left access door to the two brackets and install the two quick-release pins.
(e)
Push the right access door up and remove the lanyard from the pin on the aft APU compartment bulkhead.
(f)
Open the right access door to the fully open position and remove the two hold-open rods from the two clips.
(g)
Remove the two quick-release pins from the two brackets on the right APU compartment bulkhead.
(h)
Connect the two hold-open rods from the right access door to the two brackets and install the two quick-release pins.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
49-11-00
ALL ú ú 05 Page 240 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
S 022-364
(4) Remove these parts from the APU dispatch kit (Fig. 205): (a) The cord which attaches the drain lines to the firewall stiffener.
(b) The cord which attaches the fuel line to the firewall stiffener.
(c) The cord which attaches the electrical bundle to the shockmount support.
S 842-110
(5) Do these steps to put the actuator for the air inlet door back to its usual condition:
(a) Remove the cord which attaches the electrical plug to the actuator container.
(b) (c) Remove the caps from the electrical connector DM83 and the mating connector.Connect the electrical connector DM83 to the mating connector.
S 022-365
(6) Remove these parts from the APU dispatch kit: (a) The two nuts and two washers for the two cone bolts that attach the support angle assembly to the forward shockmounts. (b) The support angle assembly from the forward shockmounts. (c) The V-band coupling and the cap from the duct for the ECS pneumatic air. (d) The nut and washer for the cone bolt from the aft shockmount. (e) The boot cap assembly from the exhaust duct opening. (f) The cord which attaches the drain line for the exhaust duct to the beam.
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：747-400 AMM 飞机维护手册 机载辅助动力 1(28)
