Then place a small bottle just or floor jack under the bottom end of the spindle with a block of wood. Apply enough pressure to just barely lift the axle off the jack stand. This will simulate the load on the thrust bearing. Shim the area between the top axle eye face and lower spindle eye face to get the correct thrust. Usually you try putting shims in until they are just snug and then leave one out.īack in the 80s when I first started working on heavy trucks, it was common for an axle with a single wedge pin to slightly wobble out.ĭo not get too tight or the grease caps will blow off when greasing the assembly after it is assembled. We would heat the axle eye up red hot with a torch and then hammer it down to shrink it and then let it cool slowly. Then use an adjustable reamer to fit the new king pin. This has now been illegal to do for a number of years because of a safety issue. If you need king pins for your 31 Chevy, I believe i have standard. These are NORS king pin sets.Does doing a kingpin refurbishment make more sense than doing a replacement? Commercial fleets are focused on reducing the total cost of operation, so this is an important connection management issue.Įventually, the kingpin refurbishment or replacement will become necessary on all working rigs. It’s estimated that, if inspected, about 30% of all kingpins currently in use on trailers in the U.S. These kingpins should be repaired or replaced immediately.īut which method is best? Kingpin Refurbishment and Canada would not meet current standards for acceptable tolerances. Ideally, kingpins should be refurbished before the wear rate reaches the operational threshold of. Refurbishing the kingpin proactively not only saves on future maintenance to the fifth wheel but makes the rig safer to operate. Kingpin Refurbishment Requires Less Logistical Support Proactive repairs also save revenue in other ways. Kingpin refurbishment requires less logistical support and the overall cost is inexpensive compared to replacement. By identifying the trailers that have wear rates at your target repair range you can then schedule kingpin refurbishment for a specific time that does not impact your daily operations. The equipment stays in operation and overall downtime is reduced.
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