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  1. R

    Jlg 40f boom leaking down

    OFF Have any good ideas wheee to get a service or parts manual online Any ideas would be great Also any ideas on rebuilding the locking brakes and hub drives Thanks
  2. R

    Jlg 40f boom leaking down

    Thanks for the response All valves are closed ,they have never been opened. I thought it might be the valve ,iam thinking of replacing or if not to difficult repair the valve, just never done it Thanks again
  3. R

    Jlg 40f boom leaking down

    So my 40f has been sitting for about 9 months ,outside covered, a friend was using it to replace siding on his house . Ran it off and on for a few days ,now the main boom is leaking down ,rather quickly you can see it drop in a matter of a minute or so. Not sure if it is the check valve on the...
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    The JLG 40F Boom Lift Dilemma

    no it did not turn at all the brake was full of juumunjee (crap) all cleaned up now just have to find the clutches ,plates and springs and o-rings
  5. R

    JLG 40F or 40-45 boomlift

    Hi all, Just bought a new to me boom lift , JLG, serial # 724285 not sure of the year or model I belive it is a 40f My question is I need some swing brake parts ,AUSCO , any good ideas on where to look anything will help also need any and all manuals thanks again great...
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    The JLG 40F Boom Lift Dilemma

    new to jlg only reason I think it is a 40-45 only has one let down knob on front plate of turret. has a let down valve on back of boom ram
  7. R

    The JLG 40F Boom Lift Dilemma

    Hi all , another newbie. Just bought a 40f ?? or a 40-45 serial number 724285 not sure of year,a lot of info here is still soaking in. Machine all functions work other than swing of turret hoses jump but nothing happens .Took pump and brake off opened up brake and full of goobers and...
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