20
18.0 Trouble shooting guide
18.1 Mowing trouble shooting guide
Table 2: Mowing trouble shooting
Problem
Possible cause
Remedy
Occasional blades of uncut
grass.
Ground speed too fast.
Height of cut too high
Reduce forward travel speed.
Reduce height of cut.
Poorly adjusted bottom blade.
Re-adjust bottom blade.
Blunt cutting cylinder/bottom blade.
Grind/recondition as necessary.
Drive belt slipping.
Adjust belt tension.
Strips of uncut grass
between adjacent runs.
Overlap between runs too small.
Increase overlap between runs.
Uneven cut on uneven
ground.
Uneven ground conditions.
Reduce forward travel speed,
change direction of cut.
Scalping of grass.
Height of cut too low for conditions.
Increase height of cut.
Uneven ground conditions.
Increase height of cut, change
direction of cut.
Ribbing of grass
perpendicular to direction of
travel.
Forward travel speed too fast.
Reduce forward travel speed.
Tram lining of grass in the
direction of forward travel.
Bottom blade in ground contact.
Poor cylinder to bottom blade
adjustment.
Increase height of cut.
Re-adjust bottom blade.
Worn cylinder bearings.
Replace worn parts.
Excessive bottom blade
wear.
Bottom blade in heavy ground
contact.
Increase height of cut.
Blunt cutting edge.
Grind/recondition.
Cylinder in heavy contact with
bottom blade.
Re-adjust the bottom blade to
cylinder clearance.
Excessively abrasive ground
conditions.
Increase height of cut.
Cylinder knocks while
rotating.
High spots on the cutting edges.
Grind/recondition cylinder and
bottom blade.
Worn cylinder bearings.
Replace worn parts.
