Hayter 481S Owner's Handbook Manual page 39

1.37
FAULT FINDING
PROBLEM
Uneven cut
Discharge chute blocks
Mower is hard to push
Mower will not self propel
Poor grass collection
FAULT FINDING
Continued.
POSSIBLE FAULT
Undulating ground conditions Change direction of travel
Cutterbar worn
Cutterbar out of balance
Wheels / roller damaged
Grass is wet
Cut height too low
Grassbag full
Slow engine speed
Airflow through the
grassbag is restricted
Cut height too low
Wheels / roller damaged
Clutch out of adjustment
Drive belt damaged
Airflow through the
grassbag is restricted
Discharge chute blocked
Slow engine speed
Wet grass
Grassbag full
REMEDY
Sharpen the cutterbar
Balance the cutterbar
Inspect and replace as necessary
Mow dry grass
Increase cut height
Empty grassbag
Increase engine speed
Clean the grassbag
Increase cut height
Inspect and lubricate or replace
as necessary
Adjust clutch cable
Replace drive belt
Clean the grassbag
Remove blockage
Increase engine speed
Mow dry grass
Empty grassbag
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1.37