As I'm baling along I'm popping lots of shear bolts. After backing off and burnishing the main slip clutch and then adjusting it looser and looser trying to keep from shearing bolts I've got it so it'll juuuuuuuuuust work, for a while. As I put in yet another shear bolt I notice the flywheel moves forward, away from the main gearbox and stops at about 1/4". The collar/bushing/spacer between the flywheel and the gearbox can move easily forward and backward 1/4" when the shear bolt is tight. Would this allowable freeplay be helping shear the bolts? In my mind it would be worse on the shear bolts. Should I be shimming this gap up?
NH 315 possible flywheel issues
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