REAR WING SPAR
SEE A
REAR SPAR
APU FUEL ELECTRICAL
SHUTOFF APU FUEL CONNECTOR,
VALVE SHUTOFF DV119
VALVE
SEE B
MANUAL OVERRIDE FWD
APU FUEL LEVER (CLOSED
BOOST PUMP POSITION)
FWD INBD
APU FUEL SHUTOFF VALVE A
B
APU Fuel Shutoff Valve Deactivation
Figure 206
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747-400
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(c)
Disconnect the electrical connector DV119 from the actuator on the fuel shutoff valve.
(d)
Install caps on the electrical connector DV119 and the mating connector to prevent contamination.
(e)
Make sure the manual override lever is in the closed position.
(f)
Install a lockwire on the manual override lever.
(g)
Use some cord to attach the electrical connector DV119 to the fuel valve actuator.
NOTE: Do not use adjustable knots to attach the electrical
____
connector.
S 022-363
(21)
Do these steps to disconnect the APU bleed air valve (Fig. 207):
(a)
Make sure the valve is closed.
(b)
Disconnect the electrical connector DV121 from the valve actuator.
(c)
Install caps on the electrical connector DV121 and the mating connector to prevent contamination.
(d)
Use some cord to attach the electrical connector DV121 to the valve actuator.
NOTE: Do not use adjustable knots to attach the electrical
____
connector.
S 082-311
(22) If it is not necessary to do other tasks, do this task: Body Landing Gear Door Lock Removal (AMM 32-00-30/201).
TASK 49-11-00-442-101
11. APU System Activation (With APU Removed)
________________________________________
A. References
(1)
AMM 09-11-00/201, Towing
(2)
AMM 32-00-30/201, Landing Gear Door Locks
(3)
AMM 49-11-01/401, Auxiliary Power Unit
(4)
AMM 49-81-01/401, Outer Exhaust Duct
B.
Access
(1)
Location Zones 310 Fuselage - Station 2360 to Station 2792
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SEE A
APU BLEED AIR (SHUTOFF) VALVE
FWD
ELECTRICAL CONNECTOR, DV121
A
APU Bleed Air (Shutoff) Valve Deactivation
Figure 207
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(2)
Access Panels
317AL APU Access Door - Left
318AR APU Access Panel - Right
C.
Procedure
S 842-102
(1)
Do these steps to put the APU bleed air valve back to its usual condition (Fig. 207):
(a)
Make sure the door locks for the landing gear doors are installed (AMM 09-11-00/201).
NOTE: The door locks for the landing gear doors are installed
____ when you do maintenance in the wheel well areas.
WARNING: MAKE SURE YOU USE THE CORRECT DOOR LOCK PROCEDURE TO LOCK
_______ THE LANDING GEAR DOORS. THE LANDING GEAR DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. INJURY TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
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