(2)
Access Panels
3701 Stabilizer Trim Access Door
B. Procedure
S 862-068
(1)
Remove all the loads from the APU except the APU electrical generator that supplies the power to the No. 1 generator system.
S 862-178
(2)
Keep the BUS TRANS switch on the P5 forward overhead panel in the OFF position.
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////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES/MAINTENANCE MANUAL ////////////////////////
S 862-070
(3)
Let the APU to operate with no loads for a minimum of 1 minute.
S 862-071
(4)
Set the APU master switch on the P5 forward overhead panel to the OFF position.
NOTE: The APU fuel valve and the air inlet door must close in
____
approximately 20 seconds.
S 862-075
(5)
Set the No. 1 AFT FUEL PUMP switch on the P5 forward overhead panel to the OFF position.
S 092-217
(6)
If the air inlet screen was installed, remove the air inlet screen from the airplane (Fig. 202).
TASK 49-11-00-862-076
4. APU Fire Shutdown
_________________
A. Access
(1) Location Zones
101 Control Cabin, LH
102 Control Cabin, RH
217 Right Main Wheel Well
B. Procedure
S 862-077
CAUTION: WHEN YOU USE THE FIRE HANDLE TO STOP THE APU, THE FIRE
_______ EXTINGUISHER IS ARMED. DO NOT TURN THE FIRE HANDLE BEFORE YOU MAKE SURE THERE IS A FIRE IN THE APU COMPARTMENT. WHEN YOU TURN THE FIRE HANDLE, THE APU FIRE BOTTLE RELEASES ITS CONTENTS INTO THE APU COMPARTMENT.
(1) Pull one of the two fire handles.
NOTE: One fire handle is on the P8 aft electronics panel.
____ This fire handle is also referred to as the APU fire switch.
The other fire handle is on the P28 APU remote control panel. This fire handle is also referred to as the remote fire switch.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 862-078
(2)
Set the APU master switch on the P5 forward overhead panel to the OFF position.
S 862-185
(3)
Set the No. 1 AFT FUEL PUMP switch on the P5 forward overhead panel to the OFF position.
S 862-080
(4)
Set the applicable fire handle back to its initial position.
TASK 49-11-00-862-081
5. APU Automatic Shutdown
______________________
A. General
(1) After the APU automatic shutdown, find the cause for the shutdown, correct the condition (AMM 49-00-00/101) and do an APU start again.
B. References
(1) AMM 49-00-00/101, Airborne Auxiliary Power
C. Access
(1) Location Zones
101 Control Cabin, LH
102 Control Cabin, RH
D. Procedure 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址:737-300 400 500 AMM 飞机维护手册 AIRBORNE AUXILIARY POWER 1(68)