42
TROUBLE SHOOTING
Grass cutting faults
Problem Possible Cause Action
Ridge lines in the cut across the direc-
tion of travel.
Forward speed too high. Reduce engine rpm.
Cylinder speed too slow. Reduce forward speed.
Height of cut too low. Raise height of cut.
Some uncut or poorly cut strands of
grass.
Cutting cylinder is partially out of con-
tact with the bottom blade.
Re-adjust cutting cylinder to bottom
blade.
Cutting cylinder is in heavy contact with
the bottom blade.
Re-adjust cutting cylinder to bottom
blade.
Height of cut is too high. Lower height of cut.
Cutting edges of cutting cylinder / bot-
tom blade are rounded.
Grind cutting edges.
Lines of uncut or badly cut grass in
direction of travel.
Cylinder to tightly adjusted to bottom
blade causing damage on the knife.
Grind cutting edges.
Bottom blade in ground contact. Raise height of cut.
‘Nose down’ attitude of bottom blade. Re-adjust height of cut.
Undulations too severe for height of cut
setting.
Raise height of cut.
Scalping. Undulations too severe for height of cut
setting.
Raise height of cut.
Excessive bottom blade wear. Bottom blade in heavy ground contact. Raise height of cut.
Cutting edges of cutting cylinder / bot-
tom blade are rounded.
Grind cutting edges.
Cutting cylinder is in heavy contact with
the bottom blade.
Re-adjust cutting cylinder to bottom
blade.
Damaged cutting cylinder or bottom
blade.
Regrind or replace if necessary.