hey Bob. Listen make this Easy! You need a caliper (mic,dial,streight,fixedpoints . made of whatever that wont bend.) Put it on tube and rotate thru full axis.Loosen 1 axle /clamp andalso triple tree cclamps .Make sure center stand down andon level surfacetube should level. tighten axle screws then tree clamps,add fluid per man.specs.This of course is if it was assem.properly.