Maintenance
99
Replacing the scrapers
The scrapers on the toothed packer roller are symmetrical. Therefore,
the scrapers on the knife carrier can be rotated if one of the sides be-
comes worn.
Make the same setting on both sides of the machine
Lift the machine
Use suitable equipment to secure the machine against accidental
lowering or dropping
Switch off the tractor and secure it against rolling away
Only release the nuts
Release the lock nut on the adjustment screw of the scraper bar
Adjust the adjustment screw of the scraper bar so that the scraper
bar is located in the centre position of its adjustment range
Remove the nuts on each individual scraper and remove the
scrapers
Insert new scrapers and push against the roller
Fit nuts and tighten firmly
Adjust the scraper carrier using the adjustment screw so that the
scrapers are at a distance of 1 to 2 mm from the roller
Tighten the nuts on both sides of the packer roller
Tighten the lock nut on the adjustment screw
Turn the roller by hand. None of the scrapers should touch the
roller
In case of wear
Scraper bar
Nut
Adjustment screw with lock nut
Bolt and nut
Scraper
Knife carrier