Roberine F3 - Adjusting the Cutting Knife to the Bed Knife; Adjusting the Grass Deflector and Scraper; Back Lapping the Cutting Knives

8.15.2 Adjusting the cutting knife to the bed knife
Before you begin: Park the machine safely, lower the mowing units and turn off the engine. Make sure that the
mowing units have come to complete stop.
1. Rotate bolt 1 to adjust the cutting
clearance:
• Clockwise: reducing the cutting
clearance.
• Counter clockwise: increasing the
cutting clearance.
2. Repeat for bolt 2.
3. Repeat the checking procedure until you
reach the desired results.
NOTICE Interchange the starting points every time you adjust the cutting cylinders. This prevents uneven
wear of the cutting knives.
8.15.3 Adjusting the grass deflector and scraper
You can adjust the grass deflector in accordance with the grass properties.
For a clean and smooth roller it is important to keep the scraper at the correct tension.
Before you begin: Park the machine safely, lower the mowing units and turn off the engine. Make sure that the
mowing units have come to complete stop.
To adjust the grass deflector:
1. Tilt the grass deflector (1) by hand in the
required position.
To adjust the scraper:
1. Turn the nuts (2) clockwise to tighten the
scraper.
CAUTION! Do not over-tighten the scraper to prevent material damage.
8.15.4 Back lapping the cutting knives
Back lapping the cutting knives regularly will extend the life of the cutting units and provide a good cutting quality.
This procedure must be done by experienced and qualified technicians. Every mowing units needs to be back lapped
separately.
Maintenance 52