TROUBLESHOOTING
6. ENGINE OVERHEATED
Air intake screen or fins clogged- - - - - - - - - - - - - - - - - - -clean intake screen and fins Oil level too low or too high- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -adjust oil level Running engine too slow- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - run engine faster Fuel mixture too lean- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - consult dealer Improper ignition timing- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - consult dealer
7. ENGINE RUNS BUT MOWER WON’T MOVE FORWARD
Drive belt broken or slipping- - - - - - - - - - - - - - - - - - - - - - - - - - - - - replace drive belt Shift linkage disconnected- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -reconnect Transmission shift arm disconnected- - - - - - - - - - - - - - - - - - - - - - - - - - -reconnect Transmission oil low- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - add oil Hydrostat oil filter plugged- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -replace filter Damaged transmission- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer Free wheel feature activated- - - - - - - - - - - - - - - -put in unlock position (see Pg. 28)
8. MOWER LOSES POWER OR TRANSMISSION OVERHEATS
Hydrostat transmission oil too low or high- - - - - - - - - - - - - - add oil or drain as needed Transmission damage- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer Transmission blowing oil out cap- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer
9. ENGINE STALLS WHEN BLADES ARE ENGAGED
Operator not on seat- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - sit on seat Faulty interlock system- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer Damaged blade spindle bearing- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - consult dealer Deck drive belt not properly routed- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - reroute Blades blocked by foreign material- - - - - - - - - - - - - - - - - - - - - - - - - -clean under deck
10. ENGINE SOMETIMES SKIPS AT HIGHER SPEEDS
Incorrect ignition timing- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer Carburetor maladjusted- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - consult dealer Faulty spark plugs- - - - - - - - - - - - - - - - - check spark plug or condition and reset gap*
11. ENGINE IDLES POORLY
Carburetor maladjustment- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - consult dealer Improper spark plug gap- - - - - - - - - - - - - - - - - - - - - - - - - - check and reset gap*
12. ENGINE BACKFIRES
Carburetor maladjustment- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer
*see engine manual for engine adjustments
