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TROUBLESHOOTING
7. ENGINE SOMETIMES SKIPS AT HIGHER SPEED
Incorrect ignition timing- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - consult dealer
Carburetor maladjusted- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -readjust carburetor
Faulty spark plugs- - - - - - - - - - - - - - check spark plug or condition and reset gap*
Bouncing off seat safety switch- - - - - - - - - - - - - - - - - - - -slow down on rough terrain
8. ENGINE OVERHEATED
Air intake screen or fins clogged- - - - - - - - - - - - - - - - - clean intake screen and fins
Fuel mixture too lean- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - consult dealer
Oil level too low or too high- - - - - - - - - - - - - - - - - - - - - - - - - - - adjust oil level
Improper ignition timing- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer
Running engine too slow- - - - - - - - - - - - - - - - - - - - - - - - - -run engine faster
NOTE: Always mow at full throttle setting!
9. ENGINE BACKFIRES
Carburetor maladjustment- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer
10. ENGINE RUNS BUT MOWER WON’T MOVE FORWARD
Free wheel levers engaged- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -release levers
Drive belt broken or slipping- - - - - - - - - - - - - - - - - - - - - - -replace drive belt
Shift linkage cable disconnected- - - - - - - - - - - - - - - - - - - - - - - - -reconnect
Transmission shift arm disconnected- - - - - - - - - - - - - - - - - - - -reconnect
Transmission oil low- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -- - - -add oil
Transmission locks in free wheel position- put in lock position(see pg.23)
Hydrostat oil filter plugged- - - - - - - - - - - - - - - - - - - - - - - - - - - - replace filter
Bad transmission- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - consult dealer
Gear mating transmission/gearbox disconnected- - - - - - -consult dealer
Air in transmission- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - bleed air
Not enough tension on drive belt- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -check belt
11. 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- - - - overfilled or water contaminated
12. 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
*See engine manual for engine adjustments