ENGINE RESTART DURING FLIGHT (USING STARTER)

ENGINE SHUTDOWN IN FLIGHT - TM-1-1510-223-10_512

TM-1-1510-223-10 Army RC-12 Aircraft Manual
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TM 1-1510-223-10 9-4 Change 3 CAUTION Do not attempt engine airstarts above 25,000 ft. As engine accelerates to idle speed, it may be- come necessary to move the condition lever into FUEL CUTOFF in order to avoid an overtemper- ature condition. 1. POWER lever — IDLE. 2. PROP lever — HIGH RPM. 3. CONDITION lever — FUEL CUTOFF. 4. FIRE PULL handle — (PUSH TO EX- TINGUISH annunciator extinguished). 5. Engine anti-ice — Off. 6. GENERATOR switch (inoperative engine) — OFF. 7. Airspeed — As required (140 knots propeller windmilling, 190 knots propeller feathered). 8. Altitude — Below 25,000 feet. 9. Engine N₁ — Monitor (10% minimum, propel- ler feathered). NOTE N₁ may be increased by increasing airspeed. 10. AUTO IGNITION switch — ARM. 11. CONDITION lever — LOW IDLE. 12. Power — As required (after TGT peaks). 13. GENERATOR switch — RESET, then ON. 14. Engine cleanup — Perform if engine start was unsuccessful. 15. PROP SYNC switch — As required. 16. Electrical equipment — As required. 17. CONDITION lever — HIGH IDLE. 18. Cabin air mode switch — As required. 9-10. ENGINE RESTART DURING FLIGHT (USING STARTER). WARNING Airstarts using the starter assist procedures will momentarily cause the loss of all electronic flight instrument system (EFIS) data. The engine re- start during flight (no starter assist procedure), or turning EFIS power off prior to a starter assisted restart, should normally be performed. Engine restarts should only be attempted below 25,000 feet. If a restart is attempted, perform the follow- ing: CAUTION The pilot should determine the reason for engine failure before attempting an airstart. Do not at- tempt an airstart if N₁ indicates zero. Do not attempt engine airstarts above 25,000 feet. During engine acceleration to idle speed, it may become necessary to move the CON- DITION lever into FUEL CUTOFF in order to avoid an overtemperature condition. 1. CABIN AIR MODE SELECT switch — OFF. 2. FWD VENT BLOWER switch — AUTO. 3. AUTO PLT POWER switch — Off. 4. EFIS POWER switches (2) — OFF (if condi- tions permit). NOTE If EFIS power is turned off, aircraft attitude should be maintained by using outside visual references or the air driven standby attitude indi- cator and turn-and-slip indicator. 5. Radar — SBY or OFF. 6. POWER lever — IDLE. 7. PROP lever — Low RPM. 8. CONDITION lever — FUEL CUTOFF. 9. FIRE PULL handle — Push in (to extinguish annunciator). NOTE If conditions permit, reduce power on the opera- tive engine to obtain a TGT of 700 C or less to reduce the possibility of exceeding TGT limit. Reduce electrical load to minimum consistent with flight conditions. False fuel flow indications may be observed with the starter engaged and the CONDITION lever in FUEL CUTOFF. 10. ENG START switch — START-IGNITION. Check IGN ON annunciator illuminated. 11. CONDITION lever — LOW IDLE.

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