Craftsman 247.28933 - Manual (Page 127)

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TROUBLESHOOTIN
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Problem Cause Remedy
Engine fails to start 1. PTO/Blade Engage knob engaged.
2. Parking brake not engaged.
3. Spark plug wlre(s) disconnected.
4. Throttle control lever not In correct starting
position.
5. Choke not activated
6 . Fuel tank empty, or stale fuel.
7. Blocked fuel line.
8 . Faulty spark plug(s).
9. Engine flooded.
1. Place knob In disengaged (OFF) position.
2. Engage parking brake.
3. Connect wire(s) to spark plug(s).
4. Place throttle lever to FAST position.
5. Pull the CHOKE control outward.
6 . Fill tank with clean, fresh (less than 30 days old) gas.
7. Clean fuel line and replace fuel filter.
8 . Clean, adjust gap or replace plug(s).
9. Crank engine with throttle In FAST position.
Engine runs erratically 1. Unit running with CHOKE activated.
2. Spark plug wlre(s) loose.
3. Blocked fuel line or stale fuel.
4. Vent In gas cap plugged.
5. Water or dirt In fuel system.
6 . Dirty air cleaner.
1. Push CHOKE control in.
2. Connect spark plug wire(s).
3. Clean fuel line; fill tank with clean, fresh gasoline and
replace fuel filter.
4. Clear vent or replace cap If damaged.
5. Drain fuel tank. Refill with clean, fresh gasoline.
6 . Replace air cleaner paper element or clean foam
pre-cleaner.
Engine overheats 1. Engine oil level low.
2. Air flow restricted.
1. Fill crankcase with proper amount and weight of oil.
2. Clean grass clippings and debris from around the
engine's cooling fins and housing.
Engine hesitates at high RPM 1. Spark plug gap too close. 1. Remove spark plug and reset the gap.
Engine idles rough 1. Spark plug fouled, faulty or gap too wide.
2. Dirty air cleaner.
1. Replace spark plug. Set plug gap.
2. Replace air cleaner element and/or clean pre­
cleaner.
Excessive vibration 1. Cutting blade loose or unbalanced.
2. Damaged or bent cutting blade.
1. Tighten blade and spindle.
2. Replace blade.
Mower will not mulch grass 1. Engine speed too low.
2. Wet grass.
3. Excessively high grass.
4. Dull blade.
1. Place throttle In FAST (rabbit) position.
2. Do not mulch when grass Is wet.
3. Mow once at a high cutting height, then mow again
at desired height or make a narrower cutting swath.
4. Sharpen or replace blade.
Uneven cut 1. Deck not leveled properly.
2. Dull blade.
3. Uneven tire pressure.
1. Perform side-to-side deck adjustment.
2. Sharpen or replace blade.
3. Check tire pressure in all four tires.
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