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Troubleshooting - Craftsman 143.994024 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 DIFFICULTY
CAUSE
Contrcts not in start position.
Spark plug wire disconnected from spark plug.
Spark plug fouled.
Spark plug porcelain cracked,
Insufficientfuel.
Water or dirt in fuel.
Improper carburetor adjustment
REMEDY
IMove ENGINE CONTROL or equipment control to "HI" or
,START postion. See "STARTING" instructions in this
manual.
Connect SPARK PLUG WIRE to SPARK PLUG.
Remove SPARK PLUG and clean it. See "SPARK
PLUG" instructions in "MAINTENANCE" section in this
;manual
Install new spark plug.
Fill FUEL TANK per "BEFORE STARTING" instructions.
Drain FUEL TANK and re-fill with clean, fresh gasoline.
See "BEFORE STARTING" instructions in this manual.
Adjust carburetor (if applicable), See "ADJUSTMENTS"
section in this manual.
ENGINE LACKS POWER
CAUSE
Dirty air cleaner.
Improper carburetor adjustment,
Lack of lubdcaiton.
REMEDY
Replace or clean air cleaner per "AIR CLEANER"
instructions in "MAINTENANCE" section in this manual
Adjust carburetor (if applicable), See "ADJUSTMENTS"
section in this manual.
Fill olt sump to proper level. See "BEFORE STARTING"
instructionssection in this manual.
ENGINE MISSES UNDER LOAD
CAUSE
Spark plug fouled,
Spark plug perceIain cracked.
improper spark plug gap.
Improper carburetor adjustment
REMEDY
Remove SPARK PLUG and clean it, See "SPARK
PLUG" instructionsin "MAINTENANCE" section in this
manual.
Install new SPARK PLUG.
Regap SPARK PLUG electrodes, See "SPARK PLUG"
instructionsin =MAINTENANCE" section in this manual.
Adjust carburetor (if applicable). See "ADJUSTMENTS"
section in this manual.
Page 5
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