Will not neglect to re-seal the gearbox with RTV soon after you have located the correct combination. Even however they’re named “gaskets”, they will not likely seal your gearbox on their personal.
If every little thing looks regular, attempt altering the equipment-mesh. This is done with the mylar “gaskets” that sit in between the major gearbox circumstance and the enter/output caps. Consider adding or eliminating some of these spacers right up until your gears have around one/8″-1/four” of cost-free perform. Pros can get replacements ($1-two) in various thicknesses, but we advise the rapid and soiled strategy of cutting your personal out of a sheet of mylar.
“Groaning”, “creaking”, or “popping” all sound variety-of equivalent over-the-mobile phone. The greatest issue to do is to disassemble your gearbox and take a seem at the gears and bearings. The situation will typically current itself in the way of broken/missing gear tooth, 
x-For-Rotary-Cutter-1.png]#toasted gears (like that photo on our house website page), or blown bearings.
My Gearbox is Groaning/Creaking:
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