Craftsman 247.889210 Operator's Manual page 21

Enginefails to start
Enginerunserratically
1. Bladecontroldisengaged.
2. Sparkplug bootdisconnected.
3. Fueltank emptyor stale fuel.
4. Enginenotprimed.
5. Faultyspark plug.
6. Blockedfuel line.
7. Engineflooded.
8. Burntfuse.(ElectricStart only)
1. Sparkplug bootloose.
2. Blockedfuel line or stalefuel.
3. Ventin gas cap plugged.
4. Wateror dirt in fuelsystem.
5. Dirtyair cleaner.
1. Engineoil levellow
2. Air flow restricted
Engineoverheats
Enginehesitatesat high RPMs 1. Sparkpluggap set tooclose
Engineidles poorly 1. Sparkplugfouled,faulty,or gap too wide.
2. Dirtyair cleaner
Excessivevibration 1. Cuttingbladelooseor unbalanced.
2. Bentcuttingblade.
Mowerwill not mulchgrass 1. Wetgrass.
2. Excessively high grass.
3. Dullblade.
Unevencut 1. Wheelsnotpositionedcorrectly.
2. Dullblade.
Mowerwill notself propel 1. Beltnot installedproperly.
2. Debriscloggingdriveoperation.
3. Damagedor worn belt.
1. Engagebladecontrol.
2. Connectwireto spark boot.
3. Filltank with clean, freshgasoline.
4. Primeengine as instructedin the Operation
section.
5. Clean,adjustgap,or replace.
6. Cleanfuel line.
7. Wait a few minutesto restart, butdo not
prime.
8. Replacefuse (see ServiceSection).
1. Connectand tightenspark plugboot.
2. Cleanfuel line; fill tank with clean,fresh
gasoline.
3. Clearvent.
4. Drainfueltank. Refillwith fresh fuel.
5. Referto Maintenance sectionin manual.
1. Fillengine with properamountand type of oil.
2. Cleandebrisfrom aroundthe engine'scoolingfins
and blowerhousing.
1. Adjustgap to .030".
1. Clean,replace,or resetgap to .030".
2. Referto Maintenance sectionin manual.
1. Tighten bladeand adapter.Balanceblade.
2. Contactyour SearsServiceCenter.
1. Do notmow whengrass is wet;wait until
laterto cut.
2. Mowonce at a highcutting height,then mowagain
at desiredheightor makea narrowercuttingpath.
3. Sharpenor replaceblade.
1. Placeall fourwheels in same heightposition.
2. Sharpenor replaceblade.
1. Checkbelt for properpulleyinstallationand
movement.
2. Stopengine,disconnectspark plug boot,
and cleanoutdebris.
3. Contactyour SearsServiceCenter.
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