Maintenance and repairs
79
12.9 Scrapers
12.9.1 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).
12.9.2 Scrapers on packer-profile roller
The rear scrapers (4) on the packer-profile
rollers (5) have slots to allow adjustment.
Release the self-locking nuts (6).
Adjust the relevant scraper (4) on the
roller (5) so that it has a clearance of be-
tween 6 and 10 mm to the rings.
Re-tighten the self-locking nuts (6).
8 – 12 mm
3
2
1
8
6
