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Subject: hyd lift

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james h. alcock    Posted 09-07-2017 at 22:12:57 [URL] [DELETE]        [Reply] [Email]  
  • hyd lift
  • 1948 8n,just started it up, runs good. Sumps cleaned,flushed with diesel, new hyd oil.
    I raised the touch control lever & the lift arms went all the way up "smoothly". Lowered the touch control lever & the lift arms did not move, with lots of pressure on them. I believe I have a major problem. Any help or suggestions will be appreciated.Thanks

    JMOR    Posted 09-07-2017 at 23:12:10 [URL] [DELETE]        [Reply] [No Email]  
  • Re: hyd lift
  • Exhaust control valve in pump base is stuck. Clean.

    james alcock, Or.    Posted 09-08-2017 at 15:42:52 [URL] [DELETE]        [Reply] [Email]  
  • Re: hyd lift
  • thanks to all for help, I will be dropping the lift pump unit for cleaning and replacing parts as necessary. I have my FO-4 manual. Thanks

    Rustyal    Posted 09-09-2017 at 14:33:54 [URL] [DELETE]        [Reply] [No Email]  
  • Re: hyd lift
  • You don't have to drop or drain to repair the valve.

    james alcock, Or.    Posted 09-09-2017 at 14:42:33 [URL] [DELETE]        [Reply] [Email]  
  • Re: hyd lift
  • Thanks Rustyal, I will remove the valve without dropping the pump.

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