Troubleshooting - Craftsman 247.379990 Operator's Manual

Disconnect the sparkplug wire and ground it against the engine to prevent
unintended starting. Beforeperforming anytype of maintenance/service,
disengageall controls andstop the engine.Wait until all moving parts
havecometo acompletestop.Alwayswearsafety glasses during operation
or while performingany adjustments or repairs.
Thissection addressesminor serviceissues. T olocatethe nearestSearsServiceCenteror to schedule service,callthe following toll free number:1-888-
331-4569.
Engine Fails tostart
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. Engine f looded.
7. Blocked f uel line.
1. Spark plugbootloose.
2. Stale fuel.
3. Ventingas capplugged.
4. Waterordirtinfuelsystem.
5. Dirtyairdeaner.
6. Blocked f uel line.
Engine o verheats 1. Engine o il level l ow. 1.
2. Airflow restricted. 2.
Occasional skips(hesitates) 1. Spark pluggaptoo close. 1.
Idles poorly 1. Spark plugfouled,faulty,or gaptoo wide. 1.
2. Dirtyaircleaner. 2.
Excessive vibration 1. Cutting bladeloose or unbalanced. 1.
2. Bent c uttingblade. 2.
1. Engage bladecontrol.
2. Connect wiretosparkboot.
3. Filltankwithclean,fresh gasoline.
4. Prime engine asinstructed intheOperation section.
5. Clean, adjustgap, o r replace.
6. Waitafewminutes to restart.
7. Contact yourSears Parts &Repair C enter t ohavefuelline
cleaned.
1. Connect andtightensparkplugboot.
2. Filltankwithclean,fresh gasoline.
3. Clear v ent.
4. Run engineuntilit stopsfromlackof fuel.Refillwithfreshfuel.
5. Refer t o AirCleaner inEngine Maintenance section.
6. Contact yourSears Parts &Repair C enter t ohavefuelline
cleaned.
Fillcrankcase withproperoil.
Clean area around andontop of engine.
Adjust g ap.Refer to Spark PluginEngine Maintenance section.
Reset g aporreplace sparkplug.
Refer t o AirCleaner inEngine Maintenance section.
Tighten bladeandadapter. B alance b lade.
Replace b lade.
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