Checking and replacing star closers on the PreTec mulch seeding coulter

Interval

  • Drain 100 operating hours

    or

    Every 3 months

  1. Determine the star closer diameter.

  2. If the diameter of the star closers is less than 9,06 in (230mm):

    Replace star closers in pairs.
  3. Dismount nut and locking washers 2.
  4. Dismount bushes 3 and bearing unit 4.
  5. Dismount 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 centered relative to the furrow:

    Bring the adjustment bushings 3 and 7 into the desired position.
  8. Mount nut and washers.