Troubleshooting - Craftsman 247.374301 Operator's Manual

Disconnect the spark plugwire andground itagainst t heengine to prevent
unintended starting. Before performing anytypeofmaintenance/service,
disengage allcontrols andstoptheengine. W aituntilall moving p arts
have come toa complete s top. Always wearsafety glasses during operation
or while performing anyadjustments or repairs.
This section addresses minor service i ssues. Tolocate the nearest Sears Service C enter o rto schedule service, callthe followingtoll freenumber: 1-888-
331-4569.
Engine Fails to start
Engine runserratic
1. Blade control d isengaged.
2. Spark plugbootdisconnected.
3. Fuel t ankemptyor stalefuel.
4. Engine notprimed(Ifequipped with primer).
5. Faultyspark p lug.
6.
7.
Engineflooded.
Blocked f uel line.
1. Engage bladecontrol.
2. Connect wireto sparkboot.
3. Filltankwithclean, f reshgasoline.
4. Prime engine asinstructed inthe Operation s ection.
5. Clean, adjustgap, o r replace.
1. Sparkplug bootloose.
2. Stale fuel.
3. Ventingascapplugged.
4. Wateror dirt infuelsystem.
5. Dirtyaircleaner.
6. Blocked f uel line.
Engine o verheats 1. Engine o il levellow. 1.
2. Airflow restricted. 2.
Occasional skips(hesitates) 1. Spark pluggaptoo close. 1.
Idles poorly 1. Spark plugfouled, f aulty,orgaptoo wide. 1.
2. Dirtyaircleaner. 2.
Excessive vibration 1. Cuttingbladeloose orunbalanced. 1.
2. Bentcutting blade. 2.
Mowerwill not mulchgrass 1. Wetgrass. 1.
Uneven cut
2. Excessively highgrass.
3. Dullblade.
1. Wheels not positioned correctly.
Dullblade.
6. Waitafew minutes to restart.
7. Contact yourSears Parts &Repair C enter to have fuelline
cleaned.
1. Connectand t ightensparkplugboot.
2. Filltankwithclean, f reshgasoline.
3. Clear v ent.
4. Run engineuntilit stops fromlackoffuel. Refill w ith fresh fuel.
5. Refer t o AirCleaner Maintenance inthe Engine Manual.
6. Contact yourSears Parts &Repair C enter to have fuelline
cleaned.
Fillcrankcase withproperoil.
Clean area around andontop ofengine.
Adjustgap. R efer t o Spark PlugMaintenance in Engine M anual.
Reset g apor replace s parkplug.
Refer t o AirCleaner Maintenance inthe Engine Manual.
Tighten bladeandadapter. Balance b lade.
Replace b lade.
Donotmowwhengrass iswet;wait until
laterto cut.
2. Mowonceat ahighcuttingheight,thenmowagainat desired
heightor make a narrower c uttingpath.
3. Sharpen o r replace blade.
1. Adjustcuttingheightleveronrightfront andrightrearwheelto
sameposition.
2. Sharpen o r replace blade.
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