Don’t neglect to re-seal the gearbox with RTV following you’ve discovered the proper mix. Even although they’re referred to as “gaskets”, they won’t seal your gearbox on their very own.
If everything appears normal, try out changing the equipment-mesh. This is completed with the mylar “gaskets” that sit between the primary gearbox case and the enter/output caps. Try out incorporating or eliminating some of these spacers until finally your gears have approximately 1/8″-one/4″ of free perform. Specialists can buy replacements ($1-two) in various thicknesses, but we recommend the swift and filthy technique of chopping your very own out of a sheet of mylar.
“Groaning”, “creaking”, or “popping” all audio variety-of equivalent above-the-phone. The greatest issue to do is to disassemble your gearbox and just take a look at the gears and bearings. The issue will typically existing by itself in the way of broken/missing gear enamel, toasted gears (like that photo on our house page), or blown bearings.
My Gearbox is Groaning/Creaking: