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3pt not lifting- Kit?

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DanCT

03-19-2001 08:34:25




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Hi guys, 1955 model 640. I replaced the hydro fluid with 134(it had 80w-90). I cleaned and blead the vane pump. From reading this site I know that next I have to replace the o rings on the unloading valve. I assume I have to remove the lift cover off the tractor to get to the unloading vale. My question is do they make a kit to replace all the o rings and gaskets in the lift? I would hate to work on only the unloading valve and find out later that it was the control valve, or other vale. I would like to do it once and rebuild everything.

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Dave M

03-20-2001 05:44:39




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 Re: 3pt not lifting- Kit? in reply to DanCT, 03-19-2001 08:34:25  
I know you said you cleaned and bled the hydraulic pump, but did you check that the pump is producing pressure? I would be really annoyed if I went to the trouble of replacing all the "O" rings and seals in the lift cover only to find that the pump was (still) the problem.



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albe

03-19-2001 08:39:22




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 Re: 3pt not lifting- Kit? in reply to DanCT, 03-19-2001 08:34:25  
I picked up an "O" ring and gasket kit from the local NH dealership for about $10.00. It also included the "O" ring and backup seal for the piston. Be careful, the cover is quite heavy and awkward to handle. Albe



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