Troubleshooting, Warning, Problem cause remedy – Craftsman 247.887760 User Manual
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TROUBLESHOOTING
A
warning
Before performing any type of maintenance/service, disengage all
controls and stop the engine. Wait until all moving parts have come to
a complete stop. Disconnect spark plug wire and ground it against the
engine to prevent unintended starting. Always wear safety glasses during
operation or while performing any adjustments or repairs.
I
Problem
Cause
Remedy
Engine fails to start
1.
Blade control disengaged.
1.
Engage blade control.
2.
Spark plug boot disconnected.
2.
Connect wire to spark boot.
3.
Fuel tank empty or stale fuel.
3.
Fill tank with clean, fresh gasoline.
4.
Faulty spark plug.
4.
Clean, adjust gap, or replace.
5.
Engine flooded.
5.
Wait a few minutes to restart.
6.
Blocked fuel line.
6.
Contact your Sears Parts & Repair Center to have
fuel line cleaned.
7.
Burnt fuse. (Electric Start only)
7.
Replace fuse (see Service Section).
Engine runs erratic
1.
Spark plug boot loose.
1.
Connect and tighten spark plug boot.
2.
Stale fuel.
2.
Fill tank with clean, fresh gasoline.
3.
Vent in gas cap plugged.
3.
Clear vent.
4.
Water or dirt in fuel system.
4.
Run engine until it stops from lack of fuel. Refill with
fresh fuel.
5.
Dirty air cleaner.
5.
Refer to Air Cleaner in Engine Maintenance section.
6.
Blocked fuel line.
6.
Contact your Sears Parts & Repair Center to have
fuel line cleaned.
Engine overheats
1.
Engine oil level low.
1.
Fill crankcase with proper oil.
2.
Airflow restricted.
2.
Clean area around and on top of engine.
Occasional skips (hesitates)
1.
Spark plug gap too close.
1.
Adjust gap to .020”.
Idles poorly
1.
Spark plug fouled, faulty, or gap too wide.
1.
Reset gap to .020” or replace spark plug.
2.
Dirty air cleaner.
7.
Refer to Air Cleaner in Engine Maintenance section.
Excessive vibration
1.
Cutting blade loose or unbalanced.
1.
Tighten blade and adapter. Balance blade.
2.
Bent cutting blade.
2.
Replace blade.
Mower will not mulch grass
1.
Wet grass.
1.
Do not mow when grass is wet; wait until
later to cut.
2.
Excessively high grass.
2.
Mow once at a high cutting height, then mow again
at desired height or make a narrower cutting path.
3.
Dull blade.
3.
Sharpen or replace blade.
Uneven cut
1.
Dull blade.
1.
Sharpen or replace blade.
Mower will not self propel
1.
Belt not installed properly.
1.
Check belt for proper pulley installation and
movement.
2.
Debris clogging drive operation.
2.
Stop engine, disconnect spark plug boot,
and clean out debris.
3.
Damaged or worn belt.
3.
Contact your Sears Service Center.
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