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1. AUXILIARY POWER UNIT (CONT'D) C. APU High Oil Temperature Indication: APU OIL TEMP caution message and APU automatically shuts down. APU is supplying bleed air for air-conditioning: Yes (1) Air-conditioning......................................... Transfer to engine bleeds. (a) BLEED AIR, 10TH STAGE R switch/light ........................Press in to open right valve. Check the following: • R 10TH CLOSED light out. • APU LCV OPEN light out. (b) BLEED AIR, 10TH STAGE ISOL switch/light.................Press out to close isolation valve. Check the following: • 10TH ISOL OPEN light out. • APU LCV OPEN light on. (c) BLEED AIR, 10TH STAGE L switch/light .........................Press in to open left valve and close APU load control valve. Check the following: • L 10TH CLOSED light out. • APU LCV OPEN light out. (d) BLEED AIR, APU LCV switch/light .......................................Press out to match APU load control valve closed position. No (1) APU, PWR FUEL switch/light..........................Press out (2) Do not restart APU. END ABNORMAL PROCEDURES Auxiliary Power Unit Vol. 1 05−07−3 REV 66, Feb 01/07 ▼ CL−604 Operating Manual PSP 604−6 1. AUXILIARY POWER UNIT (CONT'D) D. APU Shut-Off Valve Failed to Close, After APU Shutdown Due to Fire Indication: APU SOV caution message displayed after APU shutdown due to fire. APU is supplying bleed air for air-conditioning: Yes (1) Air-conditioning......................................... Transfer to engine bleeds. (a) BLEED AIR, 10TH STAGE R switch/light ........................Press in to open right valve. Check the following: • R 10TH CLOSED light out. • APU LCV OPEN light out. (b) BLEED AIR, 10TH STAGE ISOL switch/light.................Press out to close isolation valve. Check the following: • 10TH ISOL OPEN light out. • APU LCV OPEN light on. (c) BLEED AIR, 10TH STAGE L switch/light .........................Press in to open left valve and close APU load control valve. Check the following: • L 10TH CLOSED light out. • APU LCV OPEN light out. (d) BLEED AIR, APU LCV switch/light .......................................Press out to match APU load control valve closed position. No (1) APU, PWR FUEL switch/light..........................Press out (2) Land at the nearest suitable airport. END E. APU Fuel Shut-Off Valve not in the Selected Position Indication: APU SOV caution message on. (1) No further action required. The APU is not available. END ABNORMAL PROCEDURES Auxiliary Power Unit Vol. 1 05−07−4 REV 66, Feb 01/07 CL−604 Operating Manual PSP 604−6 1. AUXILIARY POWER UNIT (CONT'D) F. APU Negative-G Shut-Off Valve Failed to Close After APU Shutdown Due to Fire Indication: APU NEG-G SOV caution message on. (1) FUEL, L BOOST PUMP switch/light .......................................................Press out to disarm affected boost pump. Check the following: • L FUEL PUMP ON advisory message out, and • L FUEL PUMP INOP light on. (2) Left engine......................................................Shutdown Refer to POWER PLANT − In-Flight Engine Failure/Shutdown procedure in this chapter. END G. APU Pump Failure Indication: APU PUMP caution message on. On ground: Yes (1) APU ........................................................Shutdown − END − No In flight: APU generator is essential (both main generators failed): Yes (1) APU indications ..........................................Monitor (2) Land at the nearest suitable airport. CAUTION APU adapter oil will no longer be cooled. Adapter oil will overheat causing APU to auto-shutdown. − END − No (1) APU................................................................Shutdown END ABNORMAL PROCEDURES Auxiliary Power Unit Vol. 1 05−07−5 REV 66, Feb 01/07 CL−604 Operating Manual PSP 604−6 ABNORMAL PROCEDURES Auxiliary Power Unit Vol. 1 05−07−6 REV 66, Feb 01/07 CL−604 Operating Manual PSP 604−6 THIS PAGE INTENTIONALLY LEFT BLANK 1. DOORS A. Passenger Door – Outer Handle not Stowed Indication: PAX DOOR OUT HNDL caution message on. (1) PASS SIGNS, SEAT BLTS switch .......................Select to ON. www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：庞巴迪挑战者604操作手册 Operating Manual 2
