TM 55-1510-221-MTFPROCEDURE TROUBLESHOOTINGREFERENCEc. Torquemeters - Monitor for a 7to 16% drop in torque with icevanes extended.d.#1 and #2 ice vane switches -RETRACT.e. Torquemeters - Monitor for anincrease in torque.f.#1 and #2 ice vane annunciatorlights (green) - Check extin-guished.g. Ice vane control circuit break-ers (2) - Pull.h. Airspeed - 160 KIAS.i.#1 and #2 Ice vane switches -EXTEND.j.#1 and #2 vane fall annuncia-tor lights (yellow) - Check Illu-minated within 15 to 40 sec-onds after ice vane switchactuation.k.Manual engine Ice vane con-trols - Pull to extend. Pullingforce required to extend the icevanes should not be excessive.l.#1 and #2 vane fall annuncia-tor lights (yellow) - Check ex-tinguished.m.#1 and #2 ice vane extendedannunciator lights (green) -Check illuminated.n.#1 and #2 ice vane switches -RETRACT.o.#1 and #2 vane fall annuncia-tor lights (yellow) - Check2-47
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
