drive motor - Technical Troubleshooting discussion in Forkliftaction's forums

Toyota 7FBEU18:
drive motor

The units drive motor is overheating and so is the pump motor they turn really slow no codes

Posted 3 Aug 2010 02:14
Modified 3 Aug 2010 02:14 by poster
Discussion started by marc_a
Baja California, Mexico

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A battery that is not charged sufficiently and sustaining a charge while under a load will cause intermittant issues without codes. Load test the battery for bad cells. Low voltage will reak havoc. So make sure the battery is good and fully charged before further diagnostics.

Posted 28 Aug 2010 23:11
Modified 28 Aug 2010 23:17 by poster
Reply by JMMtheRoadDog
Pennsylvania, United States

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the motors have speed sensors in the bearings and they need to be replaced. very common problem. the three "inmotion" controllers are interchangeable so if you want to verify the diagnosis you can rotate them and see if the problem follows the controllers. when you get done waisting time testing, pull the motors and replace the bearings

Posted 3 Aug 2010 09:38
Reply by toyzilla
Texas, United States

easier to ask forgiveness than to ask permission.

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