W
W
W
I
W
Problem
Excessive vibration
I
Mowing output
suddenly declines
Sickle knife does not
rotate
I
Possible cause
Remedy
Loosened attachment
Check attachment bolts, if
bolts
necessary re-tighten –
especially knife attachment
Unbalanced knife
Balance knife
Too much material to be
Reduce working width
cut
Dull knife
Re-sharpen knife
Knife blocked by plant
Remove blockage
trash or foreign object