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chalkhills
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Degrease!
Degrease!
A common cause of this splined shaft problem is oil/grease on the splines - the heat-cooling cycles cause expansion and contraction of trapped lubricant causing eventual distortion and loosening. Before fitting degrease shaft and intenal splines of actator arm with IPA or acetone solvent before fitting and tightening pinch bolt. If wear is is already excessive use a flexible gap filling agent such as curing silicone to stop ingress of oil into the joint.
Degrease!
A common cause of this splined shaft problem is oil/grease on the splines - the heat-cooling cycles cause expansion and contraction of trapped lubricant causing eventual distortion and loosening. Before fitting degrease shaft and intenal splines of actator arm with IPA or acetone solvent before fitting and tightening pinch bolt. If wear is is already excessive use a flexible gap filling agent such as curing silicone to stop ingress of oil into the joint.