Hayter Mowers 401R Lawn Mower User Manual


 
Continued.
PROBLEM POSSIBLE FAULT REMEDY
Engine will not start Engine under load Raise height of cut
Fuel starvation Fill fuel tank
Engine cold Operate primer bulb.
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 Service air cleaner.
Incorrect/contaminated fuel Drain fuel tank and fill with
correct fuel
Engine vibrates excessively Mounting bolts loose Tighten bolts
Cutterbar bolt loose Tighten bolt
Cutterbar out of balance Balance cutterbar
Engine crankshaft bent Consult your dealer
FAULT FINDING
401001EB100398A
1.36
1.36
FAULT FINDING