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发表于 2006-12-30 10:28:08
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来自： 中国四川成都
这个是A320APU用外部电源启动的程序：
TASK 49-00-00-860-008
APU Start by External Power (131-9(A))
WARNING: DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS WHEN YOU DO THE MAINTENANCE TASK(S).
WARNING: WHILE THE APU OPERATES, DO NOT GO INTO THESE AREAS:
- THE AREA BEHIND THE APU EXHAUST DUCT: 25m (82ft.) REARWARD OF THE DUCT, MORE THAN 3m (10ft.) ABOVE THE GROUND, AND THE WIDTH OF THE HORIZONTAL STABILIZER
- THE AREA AROUND THE APU AIR-INTAKE: 2m (7ft) AROUND THE INTAKE
- THE AREA OF THE OIL-COOLER OUTLET.
THERE IS A RISK OF INJURY IF YOU GO INTO THESE AREAS.
CAUTION: DO NOT USE THE APU DURING FLUID DE-ICING OPERATIONS. DE-ICING FLUID CAN CONTAMINATE THE INSIDE OF THE APU.
CAUTION: DO NOT TRY TO START THE APU A FOURTH TIME UNTIL THE STARTER MOTOR IS COOL (60 MINUTES MINIMUM). WE RECOMMEND THAT YOU TRY TO START THE APU THREE TIMES, WITH AN INTERVAL OF ONE MINUTE BETWEEN EACH TIME THAT YOU TRY.
CAUTION: DO NOT START THE APU WITH ACCESS DOORS 315AL AND 316AR OPEN/REMOVED.
THE APU FIRE EXTINGUISHER SYSTEM IS NOT SUFFICIENT TO EXTINGUISH A FIRE IF THE ACCESS DOORS 315AL AND 316AR ARE OPEN/REMOVED.
CAUTION: DO NOT TRY TO START THE APU AGAIN DURING A REFUEL/DEFUEL PROCEDURE AFTER AN AUTOMATIC SHUTDOWN OR FAILED APU START. IF YOU DO, THERE IS A RISK OF INJURY AND/OR DAMAGE.
CAUTION: OBEY THE SAFETY PRECAUTIONS.
1. Reason for the Job
NOTE: Refer to SIL 00-085 for APU operation in extreme hot weather condition
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
REFERENCE QTY DESIGNATION
No specific warning notice
B. Referenced Information
REFERENCE DESIGNATION
12-33-21-618-001 Pre-conditioning with the APU
23-44-00-860-001 Operation of the Service Interphone System
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the APU
24-42-00-861-001 Energize the Ground Service Network from the External Power
26-22-00-710-001 Operational Test of the APU Fire-Extinguishing Loop/Squib
31-32-00-860-001 Procedure to Get Access to the SYSTEM REPORT/TEST Menu Page
31-60-00-860-001 EIS Start Procedure
52-41-00-010-002 Open the Avionics Compartment Doors for Access
52-41-00-410-001 Close the APU Doors after Access
3. Job Set-up
Subtask 49-00-00-941-069
A. Safety Precautions
WARNING: WHILE THE APU OPERATES, DO NOT GO INTO THESE AREAS:
- THE AREA BEHIND THE APU EXHAUST DUCT: 25m (82ft.) REARWARD OF THE DUCT, MORE THAN 3m (10ft.) ABOVE THE GROUND, AND THE WIDTH OF THE HORIZONTAL STABILIZER
- THE AREA AROUND THE APU AIR-INTAKE: 2m (7ft) AROUND THE INTAKE
- THE AREA OF THE OIL-COOLER OUTLET.
THERE IS A RISK OF INJURY IF YOU GO INTO THESE AREAS.
(1) Make sure that the danger areas are clear of persons and/or equipment.
(2) Close the APU access doors 315AL and 316AR (Ref. AMM TASK 52-41-00-410-001) .
(3) If an emergency or a malfunction occurs during operation of the APU, do the emergency shutdown procedure immediately. You can start the emergency shutdown from:
- the APU FIRE PUSH pushbutton switch on the panel 20VU.
- the APU SHUT OFF pushbutton switch on the panel 108VU.
NOTE: Do the emergency shutdown immediately if fire, smoke, unusual noise, fuel or oil leakage occurs.
Subtask 49-00-00-860-088
B. Aircraft Maintenance Configuration
(1) Open the access door 811 (Ref. AMM TASK 52-41-00-010-002) .
(2) Put the warning notice in position on the opened access door 811 which tells persons not to close the door.
(3) Remove the APU air intake and exhaust blanking plugs.
(4) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001) .
(5) On the ELEC section on the panel 35VU:
- make sure that the BAT 1 and BAT 2 pushbutton switches are in the auto position (the OFF and FAULT legends are off).
(6) Make sure that there is sufficient fuel in the A/C fuel system.
(7) Make a service interphone connection from the cockpit to the APU compartment area (Ref. AMM TASK 23-44-00-860-001) .
(8) On the AIR COND section of the panel 30VU:
- make sure that the APU BLEED pushbutton switch is in the off position (the ON and FAULT legends are off).
- make sure that the X BLEED selector switch is in the AUTO position.
(9) On panel 115VU:
- make sure that both ENG MASTER control switches are in OFF position.
(10) Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only)
(Ref. AMM TASK 31-60-00-860-001)
(11) On the ECAM control panel, push the APU p/bsw (on the lower ECAM DU, the APU page comes ON).
(12) Make sure that the APU fire and overheat detection system and the APU fire extinguishing system are operational (Ref. AMM TASK 26-22-00-710-001) .
(13) If not required during operation of the APU, remove the ground support equipment, the special and standard tools and all other items.
Subtask 49-00-00-865-098
C. Make sure that this(these) circuit breaker(s) is(are) closed:
PANEL DESIGNATION IDENT. LOCATION
49VU APU/FUEL/BLOW OFF/PUMP 2QC B14
121VU APU/FUEL/BLOW OFF/CTL 1QC K39
121VU APU/FIRE AND OVHT/DET/LOOP B 2WG L44
121VU APU/FIRE AND OVHT/DET/LOOP A 1WG L43
121VU APU/APU/CTL 2KD L42
121VU APU/ECB/SPLY 1KD L41
121VU APU/FIRE/EXTIG/SQUIB/B 2WF L39
121VU APU/FIRE/EXTIG/SQUIB/A 1WF L38
121VU APU/FIRE/LP VALVE/NORM 4WF M42
121VU APU/FIRE/LP VALVE/STBY 3WF M41
121VU APU/FUEL/LP VALVE/CTL 1QF M40
121VU APU/FUEL/LP VALVE/SPLY 2QF M39
121VU APU/FUEL/PUMP/CTL 3QC M38
4. Procedure
Subtask 49-00-00-860-089
CAUTION: OBEY THE SAFETY PRECAUTIONS.
CAUTION: DO NOT OPERATE THE APU WHEN THE MAIN BATTERIES ARE OFF. IF YOU OPERATE THE APU IN THESE CONDITIONS, YOU CAN CAUSE THESE RESULTS:
- IF THERE IS AN APU FIRE, THE APU FIRE-BOTTLES WILL NOT OPERATE
- THERE WILL BE NO DE-OILING OF THE APU DURING SHUT-DOWN. THIS WILL CAUSE SMOKE IN THE CABIN
- THERE WILL BE NO COOL-DOWN SEQUENCE OF THE APU
- THE IGV WILL NOT CLOSE FULLY. THIS CAN CAUSE PROBLEMS WHEN YOU START THE APU AGAIN.
A. Start and operate the APU
NOTE: If the APU must be started on BAT and the OAT is 0 deg. C or less, we recommend:
- to select the APU GEN to provide A/C electrical power.
- to start L1 or L2 main fuel boost pump.
This you must do immediately after the APU started and the AVAIL light is ON. In this way you avoid APU AUTO S/D because air in the APU fuel delivery line.
NOTE: If the APU is to be started on EXT POWER, make sure that the batteries are switched ON. If not, the APU may not start and shut down.
NOTE: If the battery voltage is less than 25.5V, we recommend a battery charging-cycle of approximately 20 minutes for used APUs.
ACTION RESULT
1. On the APU section on the panel 25VU:
- push the APU MASTER SW pushbutton switch. On the APU section on the panel 25VU:
- the ON legend in the APU MASTER SW pushbutton switch comes ON.
2. Get access to the APU menu page in the SYSTEM REPORT/TEST 31-32-00-860-001 . On the MCDU:
- the APU menu page comes on.
3. On the MCDU:
- push the line key adjacent to the APU DATA/OIL indication. On the MCDU:
- the APU DATA/OIL page comes on, with the indication
OIL LEVEL : OK
4. On the MCDU:
- push the line key adjacent to the RETURN indication. On the MCDU:
- the APU menu page comes on.
5. On the MCDU:
- push the line key adjacent to the SYSTEM SELF-TEST indication. On the MCDU:
- the APU SYSTEM SELF-TEST page comes on with the indication
TEST IN PROGRESS and then
TEST OK
6. On the MCDU:
- push the line key adjacent to the RETURN indication until the CFDS menu comes into view. On the MCDU:
- the CFDS MENU page comes on.
7. On the APU section on the panel 25VU:
- push the APU START pushbutton switch. On the APU section on the panel 25VU:
- the ON legend in the APU START pushbutton switch comes on .
NOTE: The ECB (59KD) controls and monitors the APU start.
On the APU page on the lower ECAM DU:
- all indications show that the APU operates in the specified limits during the start sequence (no red and/or amber indications).
At the end of the APU start sequence:
On the panel 25VU:
- the ON legend in the APU START pushbutton switch goes off.
- the AVAIL legend in the APU START pushbutton switch comes on.
On the APU page on the lower ECAM DU:
- the AVAIL message comes on.
- all indications show that the APU operates in the specified limits (no red and/or amber indications).
On the ENGINE/WARNING page on the upper ECAM DU:
- the APU AVAIL message comes on.
NOTE: If necessary, the APU generator can energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002) .
NOTE: If necessary, the APU can supply bleed air for the pre-conditioning (Ref. AMM TASK 12-33-21-618-001) . |
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