Clark ECS25 SCR Hydraulic controls - Maintenance & Troubleshooting discussion in Forkliftaction's forums

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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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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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