Troubleshooting - Craftsman 143.991200 Operator's Manual

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 REMEDY
Controls not in start position. Move ENGINE CONTROL or equipment control to "HI" or
START postlon. See "STARTING" Instructions in this
manual.
Spark plug wire disconnected from spark plug.
Spark plug fouled.
Spark plug porsel_n cracPu_,
Insufficient fuel.-
Water or dirt in fuel.
Improper carburetor adjustment
Connect SPARK PLUG WIRE to SPARK PLUG.
Remove SPARK PLUG and clean it. See "SPARK
PLUG' instructionsin "MAINTENANCE" section in this
manual.
Install new spark plug.
.i --÷ 4
Fill FUEL TANK par 'BEFORE STARTING" instructions.
Drain FUEL TANK and re-fillwith clean, fresh gasoline.
See "BEFORE STARTING" instructionsin this manual.
Adjust carburetor (if applicable). See "AI_JUSTMENTS"
section in this manual.
ENGINE LACKS POWER
CAUSE
Dirty air cleaner.
Improper carburetor adjustment.
Lack of lubdcaiton.
REMEDY
Replace or clean air deaner par "AIR CLEANER"
instructionsin "MAINTENANCE" section in this manual.
Adjust carburetor (if applicable). See "ADJUSTMENTS"
section in this manual.
Fill oil sump to proper level. See "BEFORE STARTING"
instructionssection in thismanual.
ENGINE MISSES UNDER LOAD
CAUSE
Spark plug fouled.
Spark plug porcelain cracked.
Improper spark plug gap.
Improper carburetor a djustment
REMEDY
Remove SPARK PLUG end clean it. See 'SPARK
PLUG" instructionsin "MAINTENANCE" section in this
manual.
Install new SPARK PLUG.
RegapSPARKPLUG electrodes.See 'SPARK PLUG"
instructions i n 'MAINTENANCE" sectionin this manual.
Adjust carburetor (if applicable). See "ADJUSTMENTS"
section in this manual.
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