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Yale GTP120MGNGBE87.2:
4 spool hydraulic valve problem

I've looked all over for either a rebuild kit for the 4 spool hydraulic valve or a replacement assembly without any luck. If you raise the forks they go back down about an inch every 5 seconds. I put a ball valve in line and when I raise them and close the valve they stay up so it's not the cylinders. The valve assembly has a small tag on it that says Parker Model: 1503438 and Serial# H0105 0962. Does anyone know where I could find either a rebuild kit or a new one? Thanks
  • Posted 28 May 2021 03:23
  • Discussion started by Billm
  • Pennsylvania, United States
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Thanks Scott. I'll see if I can get a rebuild kit or a replacement from them since the lift can't be down for that long of time. It's in use constantly even with the forks dropping.
  • Posted 30 May 2021 08:08
  • Reply by Billm
  • Pennsylvania, United States
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I don't know if you tried a hyd company called astex hyd they are in canada they might have a replacement valve or can fix yours l have sent them valves and they have tested them and repaired them most of the time it only takes two to three days to send valve back as l am in same state as you
  • Posted 30 May 2021 07:14
  • Reply by Scott_
  • Pennsylvania, United States
Scott
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