Hayter harrier 56 Owner's Handbook Manual page 29

PROBLEM
Engine vibrates excessively.
Uneven cut.
Discharge chute blocks.
Mower is hard to push.
Mower will not self propel.
Poor grass collection.
TROUBLE SHOOTING
POSSIBLE FAULT
Mounting bolts loose.
Cutterblade screws loose.
Cutterblade out of balance.
Bent crankshaft.
Undulating ground contours.
Cutterblade worn.
Cutterblade 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
Tighten bolts.
Tighten screws.
Balance cutterblade.
Consult your dealer.
Change direction of travel.
Sharpen the cutterblade.
Balance cutterblade.
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
Adjust ground drive clutch cable.
Replace drive belt.
Clean the grassbag.
Remove blockage.
Increase engine speed.
Mow dry grass.
Empty grassbag.
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