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Clark ECS25 SCR Hydraulic controls

Serial #E357-0047-6865FB This is the high performance model. I lost hydraulics.Power steering OK.Everything seems to be OK.switches,fuses,wiring,etc..I can push in contactor and motor works.Also works when I tried to check continuity between #55 on contactor and # 50 on driver.It has new driver,rebuilt card and 1A contactor.I also tried #3 rec.I've gone thru schematic and found nothing that could be wrong.Any help would be graetly appreciated.
  • Posted 31 Jul 2012 11:36
  • By jim_k
  • joined 28 Aug'08 - 21 messages
  • California, United States
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Showing items 1 - 2 of 2 results.
hve had similar issues with hyster with pump card found it was #2 rec (handyman bench test did not reveil fault)
  • Posted 13 Oct 2012 02:41
  • By snowmonkey
  • joined 13 Oct'12 - 36 messages
  • Alberta, Canada
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Are you getting B+ to the contactor coil? The B- side is controlled by the card via the pump contactor driver. What is the BSOC? Is it possible you are in lift interrupt?
  • Posted 1 Aug 2012 07:03
  • By LTRM
  • joined 26 Jan'12 - 161 messages
  • Illinois, United States
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Fact of the week
In Germany, the 9th of November is sometimes called Schicksalstag, the "Day of Fate" because it has been the day for several major historical events, including the horrors of Kristallnacht in 1938 and the fall of the Berlin Wall in 1989.