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Troubleshooting - Craftsman 143.994016 Operator's Manual

4.0 reserve power 10 cubic inch (164cc) displacement solid state ignition engine
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TROUBLESHOOTING
THE FOLLOWING
MAY HELP AVOID A DELAY IN YOUR WORK OR
SAVE THE EXPENSE
OF A SERVICE
CALL.
ENGINE FALLS TO START OR STARTS WITH DIFFICULTY
CAUSE
Controls not in start position.
Spark plug wire disconnected from sparkplug.
Spark plugfouled.
Spark plug porcelain cracked.
Insufficient fuel.
Water or dirt in fuel.
Impropercarburetoradjustment
REMEDY
Move ENGINE CONTROL or equipmentcontrolto "HI' or
START postion. See "STARTING" instructions in this
manual.
ConnectSPARK PLUG WIRE to SPARK PLUG.
Remove SPARK PLUG and clean it. See "SPARK
PLUG' instructions in "MAINTENANCE"sectionin this
manual.
Install newspark 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.
Adjustcarburetor(if applicable). See "ADJUSTMENTS"
sectionin this manual.
ENGINE LACKS POWER
CAUSE
Dirty air cleaner.
Improper carburetor adjustment.
Lack of lubricaiton.
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 oilsump to properlevel. See "BEFORE STARTING"
instructions sectionin this manual.
ENGINE MISSES UNDER LOAD
CAUSE
Spark plug fouled.
Spark plug porcelain cracked.
Improper spark plug gap.
Impropercarburetor adjustment
REMEDY
Remove SPARK PLUG and clean it. See "SPARK
PLUG' instructions in "MAINTENANCE"
section in this
manual.
Install new SPARK PLUG.
RegapSPARK PLUG electrodes. See "SPARK PLUG"
instructions in "MAINTENANCE"sectionin this manual.
Adjust carburetor (if applicable). See "ADJUSTMENTS'
section in this manual.
Page 5
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