CLAAS 7680h – Claas Tr3 A57 3 Transmission Module: PTO Clutch Skidding High - PTO Is Off

The PTO clutch is skidding high, and the cause is identified as the PTO being off. This issue requires checking specific sensors, the low pressure circuit, and the power take-off clutch. The “Auto 5” module may also need to be checked and changed if required.

1. 1

   The rear PTO speed sensor (B142)

2. 2

   The engine speed sensor (B228-1)

3. 3

   The pressure of the low pressure circuit

4. 4

   Power take-off clutch

5. 5

   The “Auto 5” module using tool n° 60 05 033 249

1. 1

   Check the rear PTO speed sensor (B142)

   Verify the functionality and connection of the rear PTO speed sensor.

2. 2

   Check the engine speed sensor (B228-1)

   Verify the functionality and connection of the engine speed sensor.

3. 3

   Check the pressure of the low pressure circuit

   Measure and confirm the pressure of the low pressure circuit.

4. 4

   Inspect the power take-off clutch

   Examine the power take-off clutch for wear or malfunction.

5. 5

   Check the “Auto 5” module

   Use tool n° 60 05 033 249 to inspect the “Auto 5” module and change it if required.