Do not neglect to re-seal the gearbox with RTV following you’ve got located the proper mix. Even however they are referred to as “gaskets”, they is not going to seal your gearbox on their own.
If almost everything seems normal, try out changing the gear-mesh. This is accomplished with the mylar “gaskets” that sit between the major gearbox circumstance and the input/output caps. Try adding or removing some of these spacers till your gears have approximately one/8″-one/four” of free of charge enjoy. Pros can purchase replacements ($one-two) in different thicknesses, but we recommend the swift and soiled strategy of cutting your very own out of a sheet of mylar.
“Groaning”, “creaking”, or “popping” all sound type-of comparable above-the-cellphone. The ideal point to do is to disassemble your gearbox and take a appear at the gears and bearings. The problem will normally current by itself in the way of broken/lacking equipment enamel, toasted gears (like that image on our residence website page), or blown bearings.
My Gearbox is Groaning/Creaking: