Cat Lift Trucks (& Caterpillar) NR4000:
code 32 cat nr4500

Have a code 32 on a cat nr4500 7nr3422703. on the book I have it say km is open when commanded closed. Can some one tell me what the km is? I can not find it in the diagrams anywhere or in the parts book. thank you
  • Posted 12 Feb 2015 06:30
  • Discussion started by montess
  • California, United States
Showing items 1 - 1 of 1 results.
if i'm not mistaken KM has to do with the keyswitch input power to the traction controller.
One thing i have seen in the past is the keyswitch connector on the back of the keyswitch switch module having a faulty connection.
Remove the steering control panel (carefully) so you can gain access to the inside where the keyswitch is and see if there are any problems with any of the connections on the keyswitch (switch module).
Getting this panel off is a challenge so be careful, you can pull out the inserts for the screws that mount it if you are not careful. A couple of the screws that hold it down are up inside and at the rear of the panel assembly and are hard to get to, i think there are 4 to remove. Once you get the panel loose you can access the screws on the panel itself to remove it's cover so you can get inside it.
Check the estop switch module also.
Make sure all the wires are in their connectors securely.
  • Posted 4 Mar 2015 00:15
  • Modified 4 Mar 2015 00:17 by poster
  • Reply by swoop223
  • North Carolina, United States
You've been swooped!
swoop223@gmail.com

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