Adjusting Deck Height

  1. Ensure that the mower deck is level.

  2. LV30218
    LV30218-UN-14AUG18

    A - Gap

    Raise the mower deck fully and measure the mower stop-to-tractor frame gap (A) between the mower lift stop and the tractor frame. Compare the measurement to specification:

    ItemMeasurementSpecification
    Mower Stop-to-Tractor Frame Gap (A)Distance3 mm 0.125 in.



  3. If the mower stop-to-tractor frame gap is to specification, the deck adjustment is complete.

  4. NOTE: If adjustments are needed beyond this point, perform the deck side-to-side and the front-to-rear procedures after the mower stop-to-tractor frame gap is successfully set.

    If the mower stop-to-tractor frame gap cannot be achieved, the rockshaft linkage and or the lift strap linkage are out of adjustment. See your John Deere dealer for the proper adjustment procedure.

    If the mower stop-to-tractor frame gap is not to specification:

    1. Lower the mower deck to the ground.

    2. Stop the engine and remove key.

    3. Wait for the engine and all moving parts to stop before leaving the operator seat.



    4. LV30216
      LV30216-UN-14AUG18

      A - Retaining Pin

      B - Turnbuckle

      Remove the retaining pins (A) and pivot pin securing both turnbuckles (B) to the lift arms.

    5. To reduce the gap, shorten the turnbuckle assemblies an equal number of turns.

    6. To increase the gap, lengthen the turnbuckle assemblies an equal number of turns.

    7. Install the turnbuckles on the lift arms.

    8. Raise the mower deck fully, stop engine, and remove key.



    9. LV30218
      LV30218-UN-14AUG18

      A - Gap

      Measure the mower stop-to-tractor frame gap (A) between the mower lift stop and the tractor frame. Compare the measurement to specification:

      ItemMeasurementSpecification
      Mower Lift Stop-to-Tractor Frame Gap (A)Distance3 mm 0.125 in.

    10. Repeat steps a - i until mower stop-to-tractor frame gap is to specification.

  5. Perform the side-to-side and the front-to-rear adjustment procedure.

UP00731,0000524-19-20180815