Trouble Shooting - Hayter Harrier 48/56 Pro 496G Owner's Handbook Manual

TROUBLE SHOOTING

PROBLEM CAUSES
1. Engine stop lever released
Engine will not turn
2. Incorrect oil level
over
3. Obstruction under deck
1. Excess oil
2. Air cleaner cartridge oil
Engine smokes
soaked or blocked
1. Fuel starvation
Engine runs then stops
2. Fuel cap vent blocked
1. Engine under load
2. Incorrect/contaminated fuel
3. Spark plug lead disconnected
Engine will not start
4. Engine brake not released
5. Faulty spark plug
6. Wiring fault
1. Spark plug lead becoming
disconnected in use
2. Faulty spark plug
Engine runs rough
3. Air cleaner blocked
4. Incorrect/contaminated fuel
1. Mounting bolt loose
Engine vibrates exces- 2. Cutterblade bolt loose
sively 3. Cutterblade out of balance
4. Bent Crankshaft
1. Undulating ground conditions
2. Cutterblade worn
Uneven cut
3. Cutterblade out of balance
4. Wheels/roller damaged
CORRECTIVE ACTION PROBLEM
1. Operate engine/blade stop Discharge chute blocks 1. Grass is wet
lever
2. Check oil level
3. Remove obstruction
1. Check oil level
Mower is hard to push
2. Service air cleaner
1. Fill fuel tank
Mower will not self
2. Clean fuel cap vent
propel
1. Raise height of cut
Poor grass collection
2. Drain tank and fill with correct
fuel
3. Connect spark plug lead
4. Operate engine brake lever
5. Clean and adjust the gap or
Cutterblade drive will
replace
not engage/disengage
6. Check wiring
1. Connect spark plug lead
2. Clean and adjust gap or replace
3. Service air cleaner
4. Drain tank and fill with correct
fuel
1. Tighten bolts
2. Tighten bolt
3. Balance cutterblade
4. Consult your dealer
1. Change direction of travel
2. Sharpen cutterblade
3. Balance the cutterblade
4. Insect & replace as necessary
15
CAUSES CORRECTIVE ACTION
1. Mow dry grass
2. Cut height is too low 2. Increase cut height
3. Grassbag full 3. Empty grassbag
4. Airflow through the grassbag 4. Clean the grassbag
is restricted
1. Cut height too low 1. Increase cut height
2. Wheels/roller damaged 2. Inspect and replace as neces-
sary
1. Clutch out of adjustment 1. Adjust clutch cable
2. Drive belt damaged 2. Replace drive belt
1. Airflow through the grassbag 1. Clean the grassbag
is restricted
2. Discharge chute blocked 2. Remove blockage
3. Wet grass 3. Mow in dryer conditions
4. Grassbag full 4. Empty grassbag
1. Engine stop lever not fully 1. Push fully forward disengage
forward