BEFORE HOVER

TM-1-1520-240-MTF Army Model CH-47D Heilcopter (EIC:RCD) Manual
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TM 1-1520-240-MTF 2-61 * B TAXIING (CONT.) c. Check PWR STEER caution light — Out. (1) Check 10 degree deviation (maximum) in 100 feet. (2) SWIVEL switch — LOCK, Check 5 degree deviation (maximum in 100 feet. (3) Check power STEERING CONTROL inoperative with SWIVEL at LOCK. B BEFORE HOVER 1-17. B* 1. Swivel switch — Lock. B* 2. AFCS System control panel — Set as follows: a. AFCS System SEL switch — Both. b. Cyclic Trim — Auto. B 3. 714A FADEC system Check. a. FADEC RRPM Check. (1) FADEC NR% switch — 97. Check RRPM decreases to 97% " 1% with torques matched within 4%. (2) FADEC NR% switch — 103. Check RRPM increases to 103% " 1% with torques matched within 4%. (3) FADEC NR% switch — 100. Check RRPM decreases to 100% " 1% with torques matched within 4%. b. FADEC Reversionary Mode Beep Check. (1) ENG No. 2 ECL — GND. (2) FADEC No. 1 PRI/REV switch — REV. (3) Thrust Control Lever — Increase to obtain 90% N1

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