High speed contactor - Maintenance & Troubleshooting discussion in Forkliftaction's forums

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High speed contactor

Anyone know why the contactor would be chattering in and out?

Posted 18 Apr 2012 00:40
By logan_s
joined 4 Mar'11 - 12 messages
Saskatchewan, Canada

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I would check to see if the contactor coil is strong and pulling the contacts in nice and quick. Put a volt meter on the coil and see if the voltage is pulsing on and off. If so, check the the switch in the control handle and your machine may a a lift limit switch the shuts off the high speed (M) contactor when the forks are raised over 24". If the wiring and switches all seem ok then it may need a new auxiliary card.

Posted 18 Apr 2012 11:06
By mrfixit
joined 11 Dec'08 - 1,434 messages
New York, United States

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