TROUBLESHOOTING
6.ENGINE OVERHEATED
Air intake screen or fins clogged- - - - - - - - - - - - - - - - - clean intake screen and fins Fuel mixture too lean- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - readjust carburetor* Improper ignition timing- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer Oil level too low or too high- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - adjust oil levell Running engine too slow- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -run engine faster
(NOTE: Always mow at full throttle setting)
7.ENGINE SOMETIMES SKIPS AT HIGHER SPEEDS
Incorrect ignition timing- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - consult dealer Carburetor maladjusted- - - - - - - - - - - - - - - - - - - - - - -- - - - - - - -readjust carburetor* Faulty spark plug- - - - - - - - - - - - - - - check spark plug or condition and reset gap*
8.ENGINE RUNS BUT MOWER WON’T MOVE FORWARD
Drive belt broken or slipping- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -replace drive belt Pump arm loose or disconnected- - - - - - - - - - - - - - - - - - - - - - - -tighten or reconnect Hydraulic oil system low- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - add oil By-pass valves in free wheel position- - - - - - - - - - - - - - - - - - - - tighten by-pass valves Hydrostat oil filter plugged- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - replace filter Bad pump or wheel motor - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer
9.ENGINE STALLS WHEN BLADES ARE ENGAGED
Operator not on seat- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -sit on seat Faulty interlock system- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer Bad Blade spindle bearing- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - consult dealer Deck drive belt not properly routed- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - reroute Blades blocked by foreign material- - - - - - - - - - - - - - - - - - - - - - - - - -clean under deck
10.ENGINE BACKFIRES
Carburetor maladjustment- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -readjust carburetor
11.ENGINE IDLES POORLY
Carburetor maladjustment- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -readjust carburetor Improper spark plug gap- - - - - - - - - - - - - - - - - - - - - - - - - - - - - check and re-gap plug*
*See engine manual for engine adjustment
