two) Loosen the bolts only when fitting the shafts. DO NOT remove the bolts fully. If taken out they might drop into the housing and trigger a failure. The box need to be disassembled to retrieve the bolts if this occurs.
1) Tighten bolts to stay away from oil leaking throughout procedure. (The bolts have a seal under their heads.)
Get treatment when tightening the four x locking bolts inside the housing. These bolts correct the detachable splined shafts in location.
Be aware: When fitting splined shafts.
Click on on drawing to enlarge.
1:one.85 speed increaser with 13/4″Z20 splined output shaft.
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