MAINTENANCE
Drive Belts Tension Adjustment
MAINTENANCE
doc071420
4-3
4
4.
Move motor with mounting plate to adjust properly drive belt. Next tighten motor plate mounting
bolts. Mount top cutter drive belt cover.
5.
Check motor and top cutter pulleys alignment. Both pulleys should be in line to avoid premature drive
belt wear. Loosen set screw on the shaft to move pulleys. After pulleys alignment, recheck the belt
tension.
4.4.2 Bottom cutter drive belt tension adjustment
Check bottom cutter drive belt tension after first 20 hours of operation and every 50 hours of
operation thereafter.
1.
Unbolt and remove bottom cutter drive belt cover (A).
2.
Check bottom cutter drive belt for wear and tension. Replace belt as needed.
3.
To tension the drive belt, loosen motor plate mounting bolt (B).
4.
Move motor with mounting plate to adjust properly drive belt. Next tighten motor plate mounting
bolts. Mount bottom cutter drive belt cover.
5.
Check motor and bottom cutter pulleys alignment. Both pulleys should be in line to avoid premature
drive belt wear. Loosen set screw on the shaft to move pulleys. After pulleys alignment, recheck the
belt tension.
FIG. 4-2
50
A
B