BEFORE STARTING APU PILOT/CPG (CONT)

TM-1-1520-238-MTF Maintenance Test Flight Manual Helicopter Attack
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TM 1-1520-238-MTF 2-13 PROCEDURE TROUBLESHOOTING REFERENCE BEFORE STARTING APU – PILOT/CPG (CONT) b. CSC panel – Verify proper system function at all stations. *3. Caution/warning panels – Check proper indications, test and reset. *4. Fire detectors – Test. *5. Instrument TEST panels – Test function, digits control, and photocell dimming. Check SDD function in all positions. STARTING ENGINES – EXTERNAL PRESSURIZED AIR SOURCE Refer to Chapter 4, paragraph A. **STARTING APU – PILOT 1. Fire guard – Posted if available. APU exhaust area clear. 2. Hydraulic accumulator – Verify 2600 psi minimum. *3. APU – START. A9 A12 A8 A15

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