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June 2, 2014 at 11:08 pm
#8487

Member
Excellent, thank you. I have now found the source of the problem, the drive gear for low speed has about 20% of the length of the teeth worn away, I’m guessing from being forced into gear with the clutch engaged or from the belt dragging. I plan to repair it by rebuilding with Armoid welding rods then grinding/filing back to get the tooth profile.
The problem I now have is how to get the drive gears off the little shaft that comes from the worm drive. I have removed the castellated nut but I can’t work out how the gear is on the shaft, it looks to thin to be splined and it ain’t shifting with a puller either.