Bushing and kingpin wear – normal – Spicer Steer Axle Failure Analysis User Manual
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Bushing and Kingpin Wear –
Normal
No Groove’s
Bushing Worn in One Area Only No Wear on Kingpin
General Description:
Normal wear to a bushing will show an even wear pattern at one location only. It will be on the outboard side of the
top bushing and on the inboard side of the bottom bushing. This wear is indicated by an endplay reading of more
than .015”.
Usual Causes:
x
High Mileage
x
Small Amounts of Contamination
x
High Loads Over Long Periods of Time
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April 2003
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