MacDon HC10 for D-Series - Manual (Page 107)

MAINTENANCE
3. Using a straight edge (A), place it across the face of
the driving and driven pulley. Check that the pulleys
are aligned.
Figure 5.17
4. Adjust the driving pulley by loosening nut (A).
5. Adjust nuts (B) to align the drive pulley horizontally. If
belt is tracking to the outside of the pulley, turn jam
nuts (B) clockwise.
6. Adjust nuts (C) to align the drive pulley vertically. If belt
is tracking to the inside of the pulley, turn jam nuts (C)
counterclockwise.
7. Tighten nut (A).
Figure 5.18
8. Run the conditioner to verify the belt is now
tracking correctly.
9. Replace cover (B), and secure with washer and wing
nut (A).
Figure 5.19
169254
99
Rev. D