Hi Rich,
yeah it's common in as far as it takes a little trick in tightening them up, I can't remember exacy how I worked out Which way to do it but the kingpin doesn't naturally go straight into the metal slot, it goes in at an angle and hence binds. The 2 things I did are:
1. I put shock oil down the metal hole and on the kingpin shaft to aid lubrication
2. Once I worked out What angle it was going in at I used a lot of side force with the hex driver as well as screwing it in, to basically force the kingpin to screw down through the plastic spindle at the correct angle (straight) into the castor block, it then runs totally free, no bind at all!
Does that make sense? Check your kingpin as there's a chance it's got bent as you've been trying it so far, if so I can hand a spare to someone at RHR tomorrow to pass into you?
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Dave "Amish FJ" Gibson
RB Products ~ Yokomo
Nuclear RC ~ Xpert ~ Hacker
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