Checking and replacing the cutting discs on the PreTeC mulch seeding coulter
Interval
or
Every 3 months
- Determine the cutting disc diameter.
If the diameter of the cutting discs is less than 360ml:
replace the cutting discs.- Remove the depth control wheel along with the bracket 1.
- Remove the dust caps 2.
NOTE
The central bolts have different threads:
The right central bolt has right-hand thread
The left central bolt has left-hand thread
- Unscrew and remove the central bolts 3.
- Remove worn cutting discs 5.
- Unscrew and remove the bolts on the bearing seat 6.
- Replace worn cutting discs with new cutting discs.
- Put on and tighten the bolts on the bearing seat.
- Install new cutting discs.
To ensure that the cutting discs touch slightly,
adjust the spacing of the cutting discs with the spacer discs 4.- Install spacer discs that are not required on the opposite side of the cutting disc bearing with the central bolt.
- Put on and tighten the central bolt.
- Install the dust caps.
- Install the depth control wheel along with the bracket.
- Put on and tighten the bolt.
