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6. ENGINE SOMETIMES SKIPS AT HIGHER SPEEDS:
Incorrect Ignition Timing —————————----—————————— consult dealer
Carburetor maladjusted ——————————————--———— readjust carburetor
Faulty spark plugs ——————————————————-------———— check spark plug
condition and reset gap*
Bouncing off seat safety switch ———————------——— slow down on rough terrain
7. ENGINE OVER HEATED:
Air intake screen or fins clogged ————————— clean intake screen and fins
Fuel
mixture too lean ——————————————————— readjust carburetor* 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.)
8. , ENGINE IDLES POORLY:
Carburetor maladjustment ————————————————— readjust carburetor
Improper spark plug gap —————--------—————————— check and re-gap plug*
9. ENGINE BACKFIRES:
Carburetor maladjustment ———————————————— readjust carburetor*
10. ENGINE RUNS BUT MOWER WONT MOVE FORWARD:
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. 5)
Hydrostat oil filter plugged ———————————————————— replace filter
Bad
transmission ———————————————————————— consult dealer
Gear
mating transmission/gearbox disconnected —————-------------——— consult dealer
11. MOWER LOSES POWER OR TRANSMISSIONS OVER HEATS:
Hydrostat transmission oil too low or too high ————————————— add oil
OR drain oil 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.
14 P-11408 (2/99)