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  1. K

    JLG 600A stuck in turtle / creep mode

    The green snail light is off when the rheostat is turned all the way CCW and “clicked” into creep mode. Isn’t this when the green snail light should come on? Then, once “clicked” out into turtle or anything all the way up to rabbit the green snail stays on and control speeds really don’t change...
  2. K

    JLG 600A stuck in turtle / creep mode

    I got the lower horizontal limit switch working. I adjusted it a bit but I think it may have just been jammed. I now get a much faster travel speed. Do you have any insight on the control speed rheostat? Why does the green snail light come on and stay on whenever the rheostat is moved out of...
  3. K

    JLG 600A stuck in turtle / creep mode

    Okay, I am pretty sure I have the limited travel speed pinpointed to the lower horizontal limit switch seen in the attached picture. It seems to me that it’s always activated with the way it’s currently mounted. I took it off and I get a much faster travel speed after I turn the control speed...
  4. K

    JLG 600A stuck in turtle / creep mode

    I will look further into the switches. I know the boom extend/retract switch is working because I get the 1000lb/500lb platform limit light at the platform control panel. Which switch is the “horizontal”? I’m new to the world of boom lifts but to me everything seems slow. It’s as if the speed...
  5. K

    JLG 600A stuck in turtle / creep mode

    Thanks for the replies. I have visually inspected all of the switches and they seem to function correctly (externally). I do not have an analyzer, will the analyzer work on a 1997? I have attached an excerpt from the maintenance manual regarding the limit switches. Which switch would be the...
  6. K

    Simple Deutz 2011 oil change?

    TommyJLG I posted some tips in the other thread you asked this question in. I Also just did the timing belt myself, ask away if you have questions. It’s not a difficult job but you need to do it correctly otherwise there will be repercussions.
  7. K

    JLG 600A stuck in turtle / creep mode

    Working on my 97 600A with Deutz. It seems that my travel and possibly my control speeds are stuck in either creep mode or turtle (if there’s a difference). Throughout different movements and switchology I can hear the 3 different RPM ranges that the MX manual mentions. I’m new to this machine...
  8. K

    JLG 400S/Deutz: broken start switch/relay?

    To clarify, it’s 10.5 qts in the oil pan, 11 qts with filter, and 16 qts with the oil cooler change.
  9. K

    JLG 400S/Deutz: broken start switch/relay?

    TommyJLG, The Deutz drains from a drain-cock on the inside of the motor and through a rubber hose (it should be poking through the plate under the engine. If you don’t know, the whole engine module swings out away from the center of the machine by removing (1) 15/16 bolt on the underside rear...
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