Checking and replacing the star closers on the PreTeC mulch seeding coulter

Interval

  • all 100 Operating hours

    or

    Every 3 months

  1. Determine the star closer diameter.

  2. If the diameter of the star closers is less than 230mm:

    Replace the star closers in pairs.
  3. Remove the nut and locking washers 2.
  4. Remove the bushes 3 and bearing unit 4.
  5. Remove the bolts 6.
  6. Replace worn star closers. Pay attention to the seat of the sealing ring 5.

  7. To align the star closers so that they are centred relative to the furrow:

    Move the setting bushings 3 and 7 into the desired position.
  8. Install the nut and locking washers.