Exact following harrow does not adequately cover the seed with fine soil

For seed drills without exact following harrow lift-out, the overload safety is triggered.

The following actions must be performed to replace worn shear bolts 1.

  1. To correctly position the exact following harrow:

    Lift out the implement.
  2. Remove the remnants of the broken shear bolt 1.
  3. Dismount one of the replacement shear bolts 2.
  4. Mount the replacement shear bolt with washers and nut at the position 1.

The harrow tines are not aligned parallel to the ground.

  • See Adjusting the exact following harrow > Adjusting the position of the exact following harrow tines

The exact following harrow pressure is incorrectly set.

  • See Adjusting the exact following harrow > Manual adjustment of the exact following harrow pressure or Hydraulic adjustment of the exact following harrow pressure

The harrow tines are worn.

The following actions must be performed, if the harrow tines are worn.

  1. Remove nuts 1.
  2. Dismount bolts 5 and plates 2.
  3. Replace harrow tines 3 and 4.
  4. Mount plates and bolts.
  5. Mount and tighten washers and nuts.