Cat M50D no lift - Maintenance & Troubleshooting discussion in Forkliftaction's forums

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Cat M50D no lift

Hi everyone! Got an issue where this machine won't lift. everything ohms to the card good. No P contactor pull in. PS ramps the pump so I'm assuming the transistor and the diode are both good. Anyone got a book? SN is 6GC01293. I suspect the lift valve card but not 100% sure.

Thanks!

Posted 17 Oct 2012 00:35
Modified 17 Oct 2012 00:37 by poster
By justinm
joined 13 Apr'06 - 604 messages
New York, United States

New York, New York its a heluva town..you know that The Bronx is up..and I'm Brooklyn down

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bring a magnifying glass, if I remember correctly, the table that tells which is what should be in the corner of the decal of the schematic that was on the door when you open the controller compartment,
Is this is one with an 'LDC', controller?

Posted 19 Oct 2012 20:51
By edward_t
joined 5 Mar'08 - 2,334 messages
South Carolina, United States

"it's not rocket surgery"

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Hi Ed!
Yup. Didn't have the manual onsite. Going back to check it out.

Posted 19 Oct 2012 09:44
By justinm
joined 13 Apr'06 - 604 messages
New York, United States

New York, New York its a heluva town..you know that The Bronx is up..and I'm Brooklyn down

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Can't you run through the inputs tests with the DRS switch, on this truck?.

Posted 17 Oct 2012 10:54
By edward_t
joined 5 Mar'08 - 2,334 messages
South Carolina, United States

"it's not rocket surgery"

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