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    The JLG 40F Boom Lift Dilemma

    Dbris, I believe your on the right track. It looks alittle different than mine but for the most part it's the same. The Hi drive valve is the one in the picture above the Hobbs meter and junction box. If you find your pump and follow the middle line it goes to the dump valve for the bang-bang...
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    The JLG 40F Boom Lift Dilemma

    Bingo! Problem sloved. A friend took the schematics OFF provided and had them blown up to 11 x22 and everything was clear. Found the dump valves on the cross brace above the pump and used the schematics to find the dump solenoid and it was not pulling in. I jumped across it just to see if...
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    The JLG 40F Boom Lift Dilemma

    Thanks for the input now all I have to do is get a little time to really dig in to this beast. Oh also can you manually operate the valves by pushing in on the pin coming out of the coil. I guess I'd have to do the dump valve and the function valve both if possible. Just a thought. Tim_
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    The JLG 40F Boom Lift Dilemma

    Are there any pictures of the valve banks that indicate there function ie. boom in/out. Also are there any hydraulic diagrams available? On an earlier post I saw a picture of valve bank called the "bang-bang valves with the dump valve at the top. My machine has Racine valves but not sure...
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    The JLG 40F Boom Lift Dilemma

    Hey thanks OFF, I just checked my E-Mail and I got the stuff you sent. Let me mull this over now that I know what I'm looking at and I'll let you know what I find. Thanks agian, Tim_
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    The JLG 40F Boom Lift Dilemma

    I've been following the discussion on JLG 40F because I have one. Everything has been working well except today after using it to trim a tree for about 2hrs and driving back into the shop area I lost my steering, boom in/out, and basket tilt. I tried form both positions and same story. It...
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