Forward/reverse issue - Technical Troubleshooting discussion in Forkliftaction's forums

Clark C500 SERIES:
Forward/reverse issue

Hello all!

I just picked up an old propane c500 fork lift.
The engine runs fine but with the accelerator to the floor it just barely creeps along in low range. From what I understand is has the hydratork transmission.

I'm an automotive tech, but this system is kind of foreign to me.
Any thoughts?

Thank you!

Posted 17 Apr 2018 13:21
Discussion started by BrokenAxle
Alberta, Canada

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Thanks guys. I'll check those out and report back!

Posted 18 Apr 2018 01:29
Reply by BrokenAxle
Alberta, Canada

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There is a dip stick on the drive axle. This is for the transmission. Check the fluid level with the truck idling. It uses Dexron trans fluid.

Posted 17 Apr 2018 22:55
Reply by BREWSKI
Nebraska, United States

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Follow the brake line that goes to the transmission. It leads to a valve that releases the trans pressure. It is activated by what looks like a wheel cylinder. It has springs in there that that break and won't let the valve close.

Posted 17 Apr 2018 19:57
Reply by mrfixit
New York, United States

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