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Quick Reference Handbook
NORMAL PROCEDURES REVISION 7
Page NA - 6 May 30/02
Notes
Quick Reference Handbook
REVISION 7 NORMAL PROCEDURES
May 30/02 Page NB - 1
APU Start AFM 2-02-10
1. HP Fuel Cocks .......................................................................SHUT
2. Circuit Breakers...................................................................CHECK
3. Standby Attitude Indicator ...................................................CAGED
4. EPMP Bus Switches (6) ........................................................ AUTO
5. Battery 1 and 2 Switches............................................................ON
6. Exterior Lights .........................................................AS REQUIRED
7. Electric Master Auxiliary Power ................................................ OFF
8. APU Fire Warning ...............................................................CHECK
9. APU Air..................................................................................... OFF
10. APU Master Switch.....................................................................ON
11. APU Oil Pressure Low Light .............................ON (10 SECONDS)
For SN 1156 and subs, check the following on first start of day:
A. APU Overspeed Test Switch.......................................... PRESS
B. APU RPM Indicator / Overspeed LED....................... OBSERVE
Observe that the APU RPM indicator shows a momentary
increase and the overspeed LED momentarily illuminates.
NOTE: The overspeed LED will not illuminate in airplanes with ASC
374 or SN 1310 and subs.
C. APU Oil Pressure Low Light ................................................ OFF
D. APU Master Switch.............................................................. OFF
E. APU Master Switch................................................................ON
F. APU Oil Pressure Low Light ........................ON (10 SECONDS)
12. Left Main Fuel Boost Pump ...........................ON / MESSAGE OUT
13. APU Start Button ................................................................. PRESS
14. APU Start Light.............................................. OUT (BEFORE 60%)
15. APU Oil Pressure Low Light ................. OUT (BEFORE 95% RPM)
16. RPM................................................................................ 100% ±3%
17. EGT ....................................................... 988°C MAXIMUM (0-60%)
821-732°C: 60-100% DURING START (LINEAR DECREASE)
732°C: MAXIMUM (RUNNING)
CAUTION: IF APU FAILS TO COME UP TO SPEED OR START
SWITCHLIGHT REMAINS ILLUMINATED, DEPRESS OVERSPEED
TEST SWITCH. IF APU START SWITCHLIGHT STILL REMAINS
ILLUMINATED, PLACE APU MASTER SWITCH AND BATTERY
SWITCHES 1 AND 2 OFF.
END
Quick Reference Handbook
NORMAL PROCEDURES REVISION 7
Page NB - 2 May 30/02
APU Ground Operation AFM 2-02-20
1. Electric Master Auxiliary Power...................................ON / CHECK
2. Battery Charger FAIL Lights.....................................................OUT
3. Battery Amps................................................................ CHARGING
NOTE: If no charge is indicated on battery immediately after start,
battery charger failure may be indicated.
4. L / R ECS Pack Switches........................................................... ON
5. APU Air ..................................................ON / CHECK PRESSURE
NOTE: Wait one (1) minute for EGT to stabilize before selecting APU
AIR ON. After six (6) seconds, verify isolation valve is OPEN. Maximum
APU EGT with APU AIR ON is 680° C.
END
APU Shutdown AFM 2-02-30
1. Electrical Master Auxiliary Power ..............................................OFF
2. APU Overspeed Test Button..................PRESS (MOMENTARILY)
NOTE OVERSPEED INDICATION
3. APU AIR....................................................................................OFF
NOTE: APU AIR switch position should not be changed just prior to
shutdown. After shutdown, wait until RPM indicates less than 95%
before changing APU AIR switch position.
4. APU MASTER..................................OFF (RPM LESS THAN 10%)
CAUTION: CYCLING APU MASTER SWITCH DURING
SHUTDOWN WHILE RPM REMAINS ABOVE 10 PERCENT WILL
CAUSE PREMATURE ECU RESET AND LOW ENERGY RESTART
RESULTING IN HIGH EGT INDICATION AND TORCHING FROM APU
TAILPIPE.
5. Fuel Boost Pumps.........................................OFF / AS REQUIRED
END
Quick Reference Handbook
REVISION 8 NORMAL PROCEDURES
Oct 11/02 Page NC - 1
Before Starting Engines AFM 2-03-10
= Thruflight Items
1. Preflight Checklists.......................................................COMPLETE
　
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