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12 Cards in this Set
- Front
- Back
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Exhaust Gas Temperature Limits
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260 - 650
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APU Starter Duty Cycle
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1 minute ON / 4 Minutes OFF
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If START LIGHT does not extinguish within 1 minute:
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Move control switch to OFF/STOP and allow starter to cool for 4 minutes
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APU Warm Up/Cool Down Time
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Above 32 degrees: 1 minute W/U, 1 minute C/D
Below 32 degrees: 4 minute W/U, 1 minute C/D |
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APU RPM LIMIT
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100% +/- 5%
Max 106% Overspeed Autoshutdown 110% |
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APU Gen Limits
Freqs/Volts/Load |
Freqs - 400Hz +/- 20Hz
Volts - 110v - 125v Load - 0 - 1.05 amps |
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BOLDFACE
GROUND EMERGENCY PROCEDURES: |
1.APU Fire Handle - Pulled (CP)
2.Fire Ext. - Discharge (as req'd)(CP) a.If condition persists, discharge remaining bottle. 3.APU Gen. - OFF(FE) 4.Evacuate (refer to ground evac procedures) all |
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When APU fire handle pulled, the Apu is isolated as follows:
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1.The Fuel shutoff valve and bleed air valve is closed.
2.The Fire extinguisher system directional flow valve is positioned for routing agent to the APU. 3.The extinguisher AGENT DISCHARGE switch is armed. 4.APU door closes. |
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Fire Bottle Pressure Limits and Reference
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575-660 psi @ 70 degrees
NA 01-75GAA-6-2 Cards 20.1, 20.2 |
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Fuel Requirements
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2000lbs in #2 Tank -
If below 2000, turn on #2 Boost Pump |
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Exterior Pre-Turn Inspection
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Remove Plugs and Covers
Grounding Wire Fire Bottle Aircon Oil Level APU Oil Level Battery Connected |
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Interior Pre-Turn Inspection
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All Switches - off/safe/normal
Battery Voltage - 25vdc-30vdc Radio Check - UHF or VHF Check Warning Lights Wing and Beaver Lights - Strobes |
