mm130b

Measure your current draw to the starter motor. It may well be only a short in the motor.

Motor changed replace new one but problem still

When gtc start motor rotate 3 to 5 second than electric fuse cut out,fcu,oil pump removed accessory drive free rotate .turbine. also free rotate.wireing & all relay check found good,

Ask'em what #1 and #4 are doing

#3 engine vibrate.

Tail pipe vibration during high power run.i change eng rear mount,check upper mount & lower mount torque.also change tail pipe & torque check.blade angle ok.others parameter ok. please anyone can help

At take off no 1 eng less torque 1500 in lbs than no 4 eng while fuel flow and tit same but below xover torque equal.anyone can help me.