Troubleshooting - Sears 143.996706 Operator's Manual

TROUBLESHOOTING
THE FOLLOWING MAY HELP AVOID A DELAY IN YOUR WORK OR
SAVE THE EXPENSE OF A SERVICE CALL.
;NGINE FAILS TO START OR STARTS WITH DIFFICULTY
CAUSE REMEDY
Controlsnot in start position.
Spark plug wire disconnected fromspark plug,
Spark plugfouled.
Spark plugporcelaincracked.
Insufficient f uel.
Water or dirt in fuel.
Impropercarburetoradjustment
Move ENGINE CONTROL or equipmentcontrolto 'HI" or
START postion. See "STARTING" instructions in this
manual.
Connect SPARKPLUG WlREtoSPARKPLUG.
Remove SPARK PLUG and clean it. See "SPARK
PLUG" instructions in "MAINTENANCE" section in this
manual.
Installnew spark plug.
Fill FUELTANK per 'BEFORE STARTING' instructions.
Drain FUEL TANK and re-fillwith clean,fresh gasoline.
See "BEFORE STARTING"instructions in this manual.
Adjustcarburetor(if applicable). See "ADJUSTMENTS"
sectionin this manual.
ENGINE LACKS POWER
CAUSE
Dirtyair cleaner.
Impropercarburetoradjustment.
Lackof lubricaiton.
REMEDY
Replace or clean air cleaner per "AIR CLEANER"
instructions in 'MAINTENANCE" section in this manual.
Adjustcarburetor (if applicable). See "ADJUSTMENTS"
sectionin thismanual.
Filloil sumpto proper level. See "BEFORE STARTING"
instructions sectionin this manual.
ENGINE MISSES UNDER LOAD
CAUSE
Spark plug fouled.
Spark plug porcelain cracked.
Improperspark pluggap.
Impropercarburetor adjustment
REMEDY
Remove SPARK PLUG and clean it. See "SPARK
PLUG" instructions in "MAINTENANCE" section in this
manual.
In_allnew SPARK PLUG.
Regap SPARK PLUG electrodes. See 'SPARK PLUG"
instructions in "MAINTENANCE" section in this manual.
Adjustcarburetor(if applicable). See "ADJUSTMENTS"
sectionin this manual.
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