ERP035TGN - Technical Troubleshooting discussion in Forkliftaction's forums

Yale ERP035THN36TE082:
ERP035TGN

HAVE A YALE ERP035 THAT IS HAVING DIFFICULTIES. BATTERY IS GOOD, MOTOR CONTROL VOLTAGE IS GOOD. DISASSEMBLED THE VELOCITY Y VALVE TO CLEAN( NOT DIRTY) OPERATED THE LIFT WITH THE Valve removed. same issue,SLOW LIFTING , CHECKED PRESSURE OF HYDRO PUMP,700PSI. PUMP AND MOTOR GETTING HOT.
IS THERE A RELIEF VALVE OR BYPASS VALVE LOCATED IN THE PRESSURE STREAM OF THE PUMP?
DOES THE CONTROL VALVE HAVE THE RELIEF CIRCUIT BUILT IN?
THIS UNIT HAS BEEN WELL CARED FOR AND THIS ISSUE HAS STARTED RECENTLY
THANKS FOR ANY HELP

Posted 18 Mar 2016 08:30
Discussion started by RICISHEAR
California, United States

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If you only have 700 PSI max you have a pump problem. The relief is in the control valve.

Posted 25 Mar 2016 23:34
Reply by BREWSKI
Nebraska, United States

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s/n e807n046672, complete model # erp035tgn36tvo78, thanks for your attention,

Posted 19 Mar 2016 00:14
Reply by RICISHEAR
California, United States

RICISHEAR

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Whats the serial number of the truck....is it AC or DC ??? Complete model and serial number?

Posted 18 Mar 2016 15:03
Reply by kevin_t
Pennsylvania, United States

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