lundi 20 juillet 2015

rotor gearbox

Anyone ever replace a gearbox that drives the rotors ? I have one making noise and causing a vibration on my 470R . Got it apart now and it looks fine all the bearings roll smooth the gears look good with a nice wear pattern.I tried taking a
shim out of the pnion gear to tighten it up a bit,, but the noise is still there when I turn it over by hand .So what you guys think is there enough wear on the teeth to cause this ? Any idea the cost to rebuild one ?
It has 1500 hours on it and always had syn.oil , so needles to say im a little choked
rotor gearbox

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