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jlg

  1. J

    2000 JLG 450A

    Hello Team, I just received a nice 450A today. I was able to unload it from the delivery truck but after an hour a few of the functions stopped working. I read through a bunch of threads and thought my issue was different enough to ask on its own thread. I will document all fixes to hopefully...
  2. A

    JLG telehandler no start issue

    Got a JLG with a cummins QSB4.5 engine, so the engine radiator was pressure washed, machine started and moved a short distance and shut off, started back after trying for some time would idle then shut off under load, now it doesn't start at all. Active codes for all injector drivers and intake...
  3. khank1995

    1999 JLG 450A 4 controls are not working from the basket

    Hey I have a 1999 JLG 450A Serial Number 0300045679 with a Duetz diesel My problem is 4 of the basket controls (Basket Level, Basket Swivel, Tower Lift, Main Telescope) are not working from my basket but are all functions work from the ground controller. Steering, the main lift and swivel...
  4. R

    Jlg 34ha main boom issues

    Hello, I have older 34ha runs great, I started it up after sitting for 5 months, the main boom will not operate from the platform, working fine from the base. If I lift the platform from the base then try to raise it from the platform nothing, I can lower it from the platform, I see the main...
  5. E

    Ford LRG 425 ECU Solutions for JLG and Genie Boom lifts

    We have solutions for the old Ford Package Engine ECU's. See our new video and get a look at some of the services we can provide to keep equipment where it belongs - out working!
    • erdltdinc
    • Thread
    • ecu repair ford lrg engines genie jlg
    • Replies: 1
    • Forum: Shop Talk
  6. D

    JLG 600s won’t drive in rabbit or turtle, when you put it in high torque, it rolls but then it stops itself in a few feet.

    JLG 600s. Has all functions except drive. When you put it in high torque it will start to roll and then stop itself, almost like the brakes engage. Will not drive in rabbit or turtle. It is 4wd 2ws. Customer bought at auction with current issue. Has new control handle, pump, pilot pressure valve...
  7. M

    JLG 80HX+6 Boom up and Extend functions will not work, Down and Retract ok

    Hello All, my lift suddenly fails to raise or extend the boom. All other functions including boom lower and retract run fine. I expect it may be a safety interlock issue. Any advice greatly appreciated.
  8. B

    1981 JLG 40g

    I am currently having a issue where when I press on the pedal in the basket the lift will raise up or go down with out touching the joystick, obviously very scary if you were to be up high. After trying a bunch of different tests I just decide to disconnect the power from that joystick for now...
  9. E

    48 volt JLG 3369 scissor lift - dc motor controller question

    Hi all, Data for lift: 48 volt JLG 3369, Ser Num: 0200040894 Model:3369 UPC code:709264021320 maybe 1997year according to some text in parts' labels DC Motor controller: AU1830 (N) Part Num:631/42030 Ser Num:12976153 Text on it: ENGLISH-1701760 What is the purpose of "S" terminal? Connected or...
  10. T

    JLG sky track slow crank

    Working on a sky track with a 4bt Cummins has slow cranking issue, load tested battery clean connections checked voltage drop tried a new battery customer put a starter in it 4 months ago, removed starter anyway and bench tested it is it possible hydraulic pump is putting load on engine causing...
  11. K

    JLG 260MRT engine surging when functions are being used

    hello everyone, i am working on a JLG 260MRT and the engine is surging when driving and when steering. we have replaced the throttle actuator, the fuel shut off, replaced the valve cover gasket, repaired wires, replaced the ground control circuit board, reprogramed the system, checked...
  12. 5

    1994 JLG 45 gas fuel solenoid issues

    My 1994 JLG 45ha will occasionally not start . If I disconnect power to the fuel solenoid while cranking it will start. I have to reconnect power before it shuts down it will stay running. Where is the issue. Is the fuel pressure possibly to low. The pump is 4-7 psi Ford engine on this machine.??
  13. T

    JLG 34HA drive problems

    Hey everyone, I have an old 1991 JLG 34HA that is all electric. I love the lift but I started having drive issues today and I'm not sure where to look next. It took off normal, like nothing was wrong and then slowed pretty dramatically and now will barely move. The solenoids are clicking and...
  14. B

    JLG 60HA does not power forward/back

    I have a 1995 JLG 60HA. It has lots of leaks, issues, and otherwise but slowly I am rebuilding and repacking the cylinders. Right now, the biggest issues is DRIVE and moving forward and back. I have limited skills, but here is what I know so far... 1. The pump was replaced with a refurbished...
  15. P

    JLG 450A Yr 2000 Ford Dual Fuel Gas/Propane-Platform controls DO NOT work, Ground Control Works Fine

    2000 JLG 450A Dual Fuel Gas/Propane, Starts and runs great on either fuel. Ground controls work fine. You can start it from the platform but when you step on the dead man's pedal nothing works. Just no Power to any controls on the platform and it doesn't rev up when pressing the pedal. You can...
  16. S

    JLG 40HT no reverse, other issues and repairs

    Hi all, This is kind of long, but I tried to include a lot of detail I'm hoping there's a JLG wizard out there who can give me some pointers. Basically I need help figuring out how to get reverse working again, or how I can put this thing in "tow mode" so I can roll it back some and steer it...
  17. T

    JLG E-400A no boom controls

    Hello everyone! Looking to get some advice for troubleshooting an e-400a boom lift. When the key is set to ground control everything works perfectly fine. When you turn to the boom controls, nothing works on the boom. There is voltage in the boom control box. I’ve tested the cable for continuity...
  18. CaptSkinny

    JLG 450A - valve ID

    I bought a JLG 450A that I think has some valves in the wrong position, or an incorrect valve installed. But the JLG part numbers in the manual don't match the numbers printed on the valves, which are Hydraforce part numbers (JLG's manufacturer for the OEM values), so I can't verify that they're...
  19. S

    JLG 40HA won't high idle.

    Hello, I have an older 1996 JLG 40HA lift that will not high idle. The lift has a ford vsg 411 engine, I recently replaced that engine due to it going bad, with an older style ford vsg 411 with points. I have it installed and the lift functions for the most part except it will not high idle, it...
  20. J

    2001 JLG 450A Lift - Ford Gasoline Fuel Pump Replacement

    Hello, I have a 2001 JLG 450A Lift and I am trying to locate a reasonable fuel pump. The engine is a Ford 4 cylinder fuel injection engine - likely a 2.3 or 2.5? I pulled the old fuel pump out and it has a metal surround that has a foam pad that holds the fuel pump inside to isolate from...
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