the 736 will operate in reverse, but jams going forward. my guess is that it needs to be shimmed, but I can not find the parts needed( 736-25 and 736-26). Any help would be greatly appreciated, since I have had this since I was very young
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The right rear axle bushing is always the one that wears out first(from forward operation), pushing the axle left, the right rear wheel into the frame, and the worm wheel off center.
Use one(or two or as needed) 671M-22 clips/retaining rings and snap them on to the drive axle to the left of the worm wheel inside the grease well. You want to have between half to the full width of a 671M-22 clip of end play in the axle for best performance. Keep the entire gearbox & axle lubed well with a synthetic HP grease(Lucas Red 'N' Tacky #2, eg.).
If you can source some clips with the same inner diameter as the 671M-22, but larger outer diameter, that would be beneficial. Another good tip I heard was to use an appropriate number of plastic bread closure clips(cut to be round) instead of the 671M-22. Very little friction with that method and they too slip right over the axle and stay on.
Rob
thanks for the tips. I will try both of them
John
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