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  1. R

    MEP-831a Troubleshooting

    I found the company that makes them. Perhaps they have a program to repair my unit. If mine is bad I'll pull it apart and see what makes it breath lol
  2. R

    MEP-831a Troubleshooting

    Yes the inverter box ! Ill try the switch in the opposite position tomorrow. The fan in the box is working as well. I'll see if I can find the part # for the inverter box. Something tells me it wont be cheap if it is bad :-(
  3. R

    New to the MEP family!

    very nice unit !!!!! Mine always seem to molested before I get them.
  4. R

    MEP-831a Troubleshooting

    Ok Got a update !! Found pin 17 on J7 green and funky. Cleaned it and voltage went from 14V to 25.5V Still nothing ! Found the 7 1/2 amp CB blown and read open. Swapped it from unit 2 . Still nothing. Checked the NC contacts on the E stop. They were burnt and read open. So I swapped the wires...
  5. R

    MEP-831a Troubleshooting

    Thanks Dewie !! Maybe today I'll have better luck ?? Both units look usable but there always those gremlins! !
  6. R

    MEP-831a Troubleshooting

    Thank you !! I'll check that out tomorrow. I can't pull start this 1 as the rope is broke off and I'd like to see it run before I pull that all apart. The second unit seems to have a stuck governor ( As it won't budge at all threw the engine shaft? the linkage to the magnet moves freely) and the...
  7. R

    MEP-831a Troubleshooting

    I'm going to replace the fuse holder in the am as the cap doesn't seem to lock like they normally do. Also going to break out the meter and ohm the DC side since it all seems dead.
  8. R

    MEP-831a Troubleshooting

    Got my 2 mep-831a up from GA. Looked them over today. Started working on the nicer of the 2. It's missing the F1 fuse and k15. Took both from the other unit and tried it. But its dead as a door nail. No lights no gauges no nothing. Had it slaved for my mep-004a. Not a clue ??
  9. R

    New from Ga

    Welcome !!!
  10. R

    MEP-003A L-1 No Output

    Do you have the selector switch on 240v?
  11. R

    Evil Dr. Porkchop's M-Gator Restoration

    That's going to be a nice little machine when your done !!!
  12. R

    Tractor trailer brake adjustment

    How about a small restictor and a parrelel 1 way check valve? That way you are filling the system a little slower but releasing faster?
  13. R

    Cat 7155 tranny

    Lube only. No alcohol! !!
  14. R

    Cat 7155 tranny

    See post 34. I told you about the disconnect.
  15. R

    Robb saves the day

    Gimpy is Da Man !!!!!! :goodjob:
  16. R

    Cat 7155 tranny

    Well the regulator locks the rear clutch at different psi for different gears. So if you want a solid answer. I need to know the presure on the output to the rear clutch which I provided a picture of where it is located at.
  17. R

    Cat 7155 tranny

    My money is on the rear clutch pack as its the only of the 2 that's regulated and also the primary 1 to fail or act up. If your locking up hard up to 10th gear. Than its the regulator in the manifold.
  18. R

    Cat 7155 tranny

    Welcome to the forum !!! The trans uses 10 wt. I use 15-40 myself. The trans is part hydraulic, and mostly air actuated. Unfortunately most of the O rings in these old units get dried out, Crack or break. They can be finicky if there not set up right ! In the picture you can see the little gauge...
  19. R

    Cat 7155 tranny

    Yes you definitely don't want to drive it like that or you will burn up the clutches. Let's try the simple first. Go to your passanger air tank the 1 most out board. With the truck not running and all the air bled down. Remove the airline from the back of the tank and fill it with air tool oil...
  20. R

    Missed out on a MEP-004A today

    Wow that was a steal !!! I have seen them go for 2 and 3 times that price !
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