Troubleshooting - Craftsman 247.20370 Operator's Manual

Problem
Engine fails to start
Engine runs erratically
Engine overheats
Engine hesitates at high RPM
Engine idles rough
Excessive vibration
Mower will not mulch grass
Uneven cut

TROUBLESHOOTING

Cause
1. PTO/Blade Engage lever engaged.
2. Parking brake not engaged.
3. Spark plug wire(s) disconnected.
4. Throttle/Choke 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.
10. Blown Fuse(s)
1. Unit running with CHOKE activated.
2. Spark plug wire(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. Engine oil level low.
2. Air flow restricted.
1. Spark plug gap too close.
1. Spark plug fouled, faulty or gap too wide.
2. Dirty air cleaner.
1. Cutting blade loose or unbalanced.
2. Damaged or bent cutting blade.
1. Engine speed too low.
2. Wet grass.
3. Excessively high grass.
4. Dull blade.
1. Deck not leveled properly.
2. Dull blade.
3. Uneven tire pressure.
1. Place lever in disengaged (OFF) position.
2. Engage parking brake.
3. Connect wire(s) to spark plug(s).
4. Place Throttle/Choke lever into the FAST position.
5. Move the Throttle/Choke lever into the Choke
position.
6. Fill tank with clean, fresh (less than 30 days old) gas.
7. Replace the fuel line and replace fuel filter.
8. Clean, adjust gap or replace plug(s).
9. Crank engine with throttle in FAST position.
10. Replace Fuse(s) See "Fuse" in Service and
Maintenance section.
1. Deactivate the CHOKE.
2. Connect spark plug wire(s).
3. Replace the 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, if equipped.
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.
1. Remove spark plug and reset the gap.
1. Replace spark plug. Set plug gap.
2. Replace air cleaner element and/or clean pre-
cleaner.
1. Tighten blade and spindle.
2. Replace 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.
1. Perform side-to-side deck adjustment.
2. Sharpen or replace blade.
3. Check tire pressure in all four tires.
28
Remedy