Recent content by KarlAmherst

  1. K

    L5240 No Forward Only Reverse

    I'm down to the last component to check and then I'm done. With no specialized tools there is only so much troubleshooting that can be done. I've attached two pictures. One is the Forward hydraulic circuit and one is the Reverse hydraulic circuit. The item labeled (15) in the pictures is called...
  2. K

    L5240 No Forward Only Reverse

    I've been studying the WSM a little more and think I'm on the right track with the servo piston. The servo piston is directly linked to the swash plate. The servo piston is supposed to move up, down and neutral. If I am right, it's moving up and neutral, but not down. The owner of this tractor...
  3. K

    L5240 No Forward Only Reverse

    Not sure if this one is a II. I'll try to find out. I'll take out the swash plate position sensor and check its condition. It might be possible to be in test mode and rotate the shaft to see if the voltage increases. The constant voltage from the sensor might be showing what I'm observing. The...
  4. K

    L5240 No Forward Only Reverse

    A few more details: Tractor was operating normally then suddenly stopped going forward. Pedal sensor reads good when testing in Mode A. Swashplate Sensor does not read good when testing in Mode A. ERROR 81 - (Pedal Sensor) Should not be able to drive the tractor with the pedal, but should be...
  5. K

    L5240 No Forward Only Reverse

    Greetings all, I am working on a friends L5240. The problem is that it will only go backwards and not forward. I started the tractor in Mode "A" test mode and observed T1-T16. The only thing that did not check out was T12 Swash Plate Position Sensor Voltage. Pressing the pedal in reverse...