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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 level
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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