Hi,
Regarding the motor clamp. to adjust the mesh leave the bottom screw loose & have the top screw tightened just enough to compress the spring slightly. This should allow you to turn the motor & set the mesh. Once set, tighten the lower screw fully & then the top one so the spring is almost, but not fully compressed. Check the mesh again to ensure that it hasn't moved as you tightened things up.
Gear mesh ;- In the earlier manual Yokomo gave a second method of shimming to give a looser mesh. We never used the alternative & yokomo have now obviously deleted it from the current manual.
Build the gearboxes with the shims exactly as the manual says, use a SMALL amount of Associated diff lube on the teeth of the pinion & rotate by hand to spread on to the crown gear. When complete, run the car slowly with the wheels off the floor for a few minutes & the gear boxes will be fine.
Do not be tempted to shim any looser, or you will get very rapid gear wear.
Chris Yardy (Tom's dad)
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AE - Novak - Pro-Line - Reedy - CML - Atomic Carbon
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