Adjusting the front roller for scarifying

To use the front roller for scarifying, the front roller must be adjusted to the cutting height.

REQUIREMENTS

  • The PTO shaft drive is switched off.

  1. Adjust the cutting height using the crank, Adjusting the cutting height.
  1. Close the cutting deck hydraulic valve 1.
  2. Open the drawbar hydraulic valve 2.
  3. Lift the machine with the drawbar 1 until the front roller has enough clearance to make adjustments.
  1. Close the drawbar hydraulic valve 1.

The cutting deck and drawbar are secured against lowering.

  1. Pull out the spring cotter pin 1.
  2. Pull out the fixing pin 2.
  3. Peg the front roller at the desired height with the fixing pin.
  4. Secure the fixing pin with the spring cotter pin.
  5. Adjust the front roller equally on both sides.
  1. Open the drawbar hydraulic valve 1.
  2. Open the cutting deck hydraulic valve 2.
NOTE

The hydraulic cylinder of the drawbar and the hydraulic cylinder of the cutting deck are connected in parallel. When both hydraulic valves are open, the hydraulic cylinders of the drawbar and cutting deck are actuated simultaneously.

  1. Lower the machine.
  2. Lower the cutting deck.
  3. Check whether the lower edge 1 of the cutting deck is aligned parallel to the ground.

  4. If necessary, adjust the height of the front roller.

    To do so, repeat the previous steps.
NOTE
For a larger height adjustment downwards, the brackets for the front roller can be installed rotated by 180°.
  1. Lift the machine like for adjusting the front roller.
  2. Close the drawbar hydraulic valve.
  3. Close the cutting deck hydraulic valve.

The cutting deck and drawbar are secured against lowering.

  1. Remove the front roller according to the installation instructions.
  1. Unscrew all 4 bolts 1 with washers.
  2. Rotate the bracket 2 by 180°.
  3. Screw on the bracket with the 4 bolts and washers.
  4. Repeat the conversion for the other bracket. Both brackets must be installed the same way.