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Troubleshooting - Craftsman 143.994011 Operator's Manual

4.0 reserve power 10 inch cubic (163 cc) displacement solid state ignition
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TROUBLESHOOTING
THE FOLLOWING
MAY HELP AVOID A DELAY IN YOUR WORK OR
SAVE THE EXPENSE OF A SERVICE CALL.
ENGINE FAILS TO START OR STARTS WITH DIFRCULTY
CAUSE
Controls not in start position.
Sparkplugwiredisconnected f romsparkplug.
Sparkplug fouled.
Spark plug porcelaincracked.
Insufficientfuel.
Water or dirt in fuel.
improper carburetoradjustment
REMEDY
Move ENGINE CONTROL or equipmentcontrol to "HI"or
START postion, See "STARTING" Instructionsin this
manual.
Connect SPARK PLUG WIRE to SPARK PLUG.
Remove SPARK PLUG and dean it. See 'SPARK
PLUG" Instructionsin 'MAINTENANCE" section in this
!manual..
In'stallnew spark plug.
Fill FUEL TANK per "BEFORE STARTING" instructions.
Drain FUEL TANK and re-fill with dean, fresh gasoline.
See "BEFORE STARTING" instructionsIn thismanual.
Adjust carburetor (if applicable). See "ADJUSTMENTS'
section in this manual.
ENGINE LACKS POWER
CAUSE
Dirty air cleaner.
Impropercarburetor adjustment.
Lack of lubricaiton.
REMEDY
Replace or clean air cleaner per 'AIR CLEANER"
instructionsin "MAINTENANCE" section in this manual.
Adjust carburetor (if applicable). See "ADJUSTMENTS"
section in this manual.
Fill dl sumpto proper level, See iBEFORE STARTING"
instructionssection In this manual.
ENGINE MISSES UNDERLOAD
CAUSE
Spark plug_uled.
Spark plug porcelain cracked.
Improper sparkplug gap.
Improper carburetor adjustment
REMEDY
Remove SPARK PLUG end dean It. See "SPARK
PLUG" instructionsin "MAINTENANCE" sectionin this
manual.
Install new SPARK PLUG.
Regap SPARK PLUG electrodes. See "SPARK PLUG"
Instructionsin "MAINTENANCE" section in thismanual.
Adjust carburetor (if applicable). See "ADJUSTMENTS"
section in this manual.
Page 5
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