Maintenance and repairs
94
15.7.2 Scrapers on rubber ring roller
The scrapers (1) on the rubber ring rollers
(2) have slots to allow adjustment.
Release the self-locking nut (3).
Adjust the relevant scraper on the roller
so that it has a clearance of between 8
and 12 mm to the rings.
Re-tighten the self-locking nut (3) (46
Nm).
15.7.3 Trapezoidal disk roller scrapers
The trapezoidal disk roller is fitted with
scrapers (1) whose distance from the roller
casing (4) can be adjusted with eccentric
nuts (2).
Undo the bolt (3) of the eccentric nut (2)
using a 19 mm spanner.
Adjust the eccentric nut (2) using a 24
mm spanner. The scrapers (1) should
rest lightly against the roller casing (4).
Securely tighten the screws (3) (80 Nm)
again.
Retighten the screw (5) (80 Nm) that
may have come somewhat loose due to
the adjustment.
8 – 12 mm
3
2
1
2
1
3
4
5