Komatsu FB18M-3:
Motor Control Left Side

Hello everyone,

we have a Kalmar AC ET30AMX (se) 24051A in the shop, problem is the left drive motor is spinning up but only at 1/8 or less throttle. steer pot appears to be working correctly as the motor reverses as it is suppose to when turned but never hits full power no matter where the tires are. the controller was persumed to be faulty and was sent out for repairs, installed when it got back and the same problem is there. no codes logged that we can see through the controller light solid green. we are banging our heads here if anyone has an idea we will gladly try it..
Patrick
  • Posted 10 Sep 2016 04:18
  • Discussion started by pat_r
  • British Columbia, Canada
Showing items 1 - 3 of 3 results.
Hello. Did the encoder fix this issue?
Sorry, but never seen a Komatsu FB18M-3 with a AC controller.
Do you some more info about this controller?
Regards
Marcb
  • Posted 22 Oct 2016 00:53
  • Reply by marcb
  • ANTWERP, Belgium
I would replace the encoder bearing on the left motor. The encoder is responsible for communicating the motor speed to the controller.
  • Posted 20 Oct 2016 01:49
  • Reply by Jeff
  • Georgia, United States
There is nothing worse than a sharp image of a fuzzy concept.
-Ansel Adams

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