TM 9-2320-364-20-32-290915054OPERATION TEST(1) Start engine (TM 9-2320-364-10).(2) With the aid of an assistant, observefan operation while setting hydraulicselector switch to AUTO orCRANE/SRW position.(a) If fan does not slow, perform Steps (3) and (4) belowand go to Step 11 of this Fault. (b) If fan speed does slow, performSteps (3) and (4) below and go toStep 2 of this Fault.(3) Set hydraulic selector switch to OFFposition.(4) Turn OFF ENGINE switch.