Purkey's Fleet Electric

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May 9, 2014

Tending Liftgate Batteries

Bruce Purkey knows where the electrons go. And, as president of Purkey’s Fleet Electric and his many activities in the Technology & Maintenance Council of the American Trucking Associations, he’s well aware that some of them flow to batteries that support the electric-over-hydraulic systems for liftgates on trucks and trailers. Usually there are two and as many as four Group 31 batteries, like the ones on a truck or tractor.

April 25, 2014

A Systems Approach to Start/Charge System Maintenance

We have to stop thinking of our start/charge systems as simply a handful of separate components, and start viewing them as a system. From alternators to batteries and starters, cables and regulators, and even add-on components like low-voltage cut-off switches and DC/AV inverters, each can impact the component next to it.

April 14, 2014

Trace Down Circuits Before Replacing Liftgate Parts

Proper methods of testing for voltage drop on the circuits that power trailer liftgates were discussed at TMC’s recent annual meeting in Nashville, Tenn. Senior Editor Tom Berg has more in his Trailer Talk blog.

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