Intermittent Drive issue - Maintenance & Troubleshooting discussion in Forkliftaction's forums

Discussion:
Intermittent Drive issue

Crown RC3020-30

Need some help! Our forklift has recently developed an intermittent problem. When using the foot brake it sometimes does not want to go back into f/r. After releasing and depressing the foot brake several times and moving the boom up and down you will finally hear the contactor close and your good to go until the next time it randomly decides to do this. Any suggestions would be helpful.

Posted 14 Sep 2013 05:31
By jesse_g
joined 14 Sep'13 - 2 messages
Colorado, United States

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Thanks for the reply, I will have to purchase this tool.

Posted 17 Sep 2013 05:36
By jesse_g
joined 14 Sep'13 - 2 messages
Colorado, United States

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Here are a few things to focus on:

Remove and test resistance of brake switch, steer motor solenoid switch (both are close to each other) and directional switches. VERY IMPORTANT to physically remove switches and wires attached to them before testing resistance.

Must have an EV 100 LX handset for this: attach handset to EV 100 Oscillator card and perform "Tune Up" of card. Must use the settings that are outlined in Crown RC3000 service manual.

Posted 15 Sep 2013 02:55
By LaGrange
joined 15 Sep'13 - 301 messages
Missouri, United States

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