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Troubleshooting - Craftsman 143.993506 Operator's Manual

3.5 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
l
CAUSE
REMEDY
Controlsnot in startposition.
IMove ENGINE CONTROL or equipmentcontrolto "HI"or
iSTART postion. See "STARTING"instructions in this
manual.
Spark plug wire disconnected from spark plug.
Spark plug fouled.
Spark plug porcelaincracked.
Insufficient f uel.
Water or dirtin fuel.
Impropercarburetoradjustment
ConnectSPARK PLUG WIRE to SPARK PLUG.
Remove SPARK PLUG and clean it. See 'SPARK
PLUG"instructions in 'MAINTENANCE" sectionin this
manual.
Installnew spark plug.
Fill FUEL TANK per "BEFORESTARTING" instructions,
Drain FUEL TANK and re-fillwithclean, freshgasoline.
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.
ENGINE MISSES UNDER LOAD
REMEDY
Replace or clean air cleaner per "AIR CLEANER"
instructions in "MAINTENANCE"sectionin this manual
Adjustcarburetor (if applicable). See "ADJUSTMENTS"
sectionin this manual.
Filloil sump to properlevel. See "BEFORESTARTING'
instructions sectionin this manual.
CAUSE
Spark plug fouled.
Spark plugpomelaincracked.
Improperspark 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.
Regap SPARK PLUG electrodes. See "SPARK PLUG"
instructions in "MAINTENANCE" section in this manual.
Adjustcarburetor (if applicable). See "ADJUSTMENTS"
sectionin this manual.
Page 5
181-1190-tl

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