Hayter Mowers 399C Lawn Mower User Manual


 
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PROBLEM POSSIBLE FAULT REMEDY
Engine will not turn over Engine stop lever released Operate engine stop lever
Incorrect oil level Check oil level
Obstruction under deck Remove obstruction
Engine smokes Excess oil level Check oil level
Air cleaner cartridge oil Service air cleaner
soaked or plugged
Engine runs then stops Fuel starvation Fill fuel tank
Fuel cap vent blocked Clean fuel cap vent
Engine will not start. Engine under load. Raise height of cut.
Fuel starvation. Fill fuel tank.
Incorrect / contaminated fuel. Drain fuel tank and fill with
correct fuel.
Spark plug lead disconnected. Connect spark plug lead.
Engine brake not released. Operate engine stop lever.
Faulty spark plug. Clean and adjust gap or replace.
Engine runs rough. Spark plug lead becoming Connect spark plug lead.
disconnected in use.
Faulty spark plug. Clean and adjust gap or replace.
Air cleaner element blocked. Replace air cleaner element.
Incorrect / contaminated fuel. Drain fuel tank and fill with
correct fuel.
TROUBLE SHOOTING
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