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Steinbock/jungheinrich hydrostatic drive reverse problem

I have a Steinbock CL25 with a MAZDA LPG engine and a hydrostatic drive but no reverse. I have replaced the solenoids and the potentiometer but no reaction ,only forwards drives oke. The lamp for transmission fault goes on if i set the truck reverse. I have the diagnostic program and calibrate teh potentio meter and pedals but no result. It give a pump control fault. Any a idea what i can do?

Regards
  • Posted 3 Jul 2013 22:03
  • By gc_d
  • joined 20 Jun'09 - 609 messages
  • Zuid-Holland, Netherlands
Regards gc_d
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Showing items 1 - 2 of 2 results.
Replace high pressure relief valves among themselves.
and electromagnetic coils
Missing filling pressure in one direction Check the flushing valve.
  • Posted 6 Jul 2013 15:47
  • Modified 6 Jul 2013 15:56 by poster
  • By geroj
  • joined 21 Feb'10 - 262 messages
  • Krivan, Slovakia
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If you have manual for this truck,look for measurement point on hydrostatic gear.Maybe you dont have pressure for reverse.
  • Posted 5 Jul 2013 08:15
  • By nemanja_k
  • joined 15 Apr'11 - 398 messages
  • serbia, Serbia
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