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  1. JC Sparks

    Help with my Clark forklift

    I recently bought a used Clark forklift and I do not have a manual for it. The pic attached looks to be the filler cap for the engine oil but my question is. The cap is on top of what looks to be a reservoir. When I take the cap off I can see a gear inside but no oil. Is this reservoir...
  2. JC Sparks

    PARKER / GRESEN, V20, 4 LEVER HYDRAULIC VALVE QUESTION

    Here is what I did. I removed the valve in question and put it back together. I then put pressure to the inlet and it comes out of the return, I can shift the valves and they all appear as they will extend and retract a cylinder. The return port turns off when I shift the valves, so I think...
  3. JC Sparks

    PARKER / GRESEN, V20, 4 LEVER HYDRAULIC VALVE QUESTION

    Thanks for that info. Could I do this, If I removed the 4th valve would it operate as a normal 3 lever valve? Thanks for all the help.
  4. JC Sparks

    PARKER / GRESEN, V20, 4 LEVER HYDRAULIC VALVE QUESTION

    I have a question on the operation of this valve. It is a 4 spool / lever hydro valve V20 4342 K . In the pic below, I put pressure (125 psi for bench testing) in the "IN" port and looking at the pic the 3 valve blocks from left to right operate normally to control a hydro cylinder, but the...
  5. JC Sparks

    JC Sparks

    I own a industrial machine shop and also buy and sell industrial surplus. From time to time I come across tools for working on heavy equipment. I have been in buisness since July 1985.
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