Craftsman 247.372900 - Manual (Page 16)

TROUBLE SHOOTING GUIDE
Trouble Possible Cause(s) Corrective Action
Engine fails to start 1. Blade control handle disengaged.
2. Spark plug wire disconnected.
3. Throttle control lever not in starting position.
4. Fuel tank empty, or stale fuel.
5. Blocked fuel line.
6. Faulty spark plug.
7. Engine flooded.
1. Engage blade control handle.
2. Connect wire to spark plug.
3. Move throttle lever to starting position.
4. Fill tank with clean, fresh gasoline.
5. Clean fuel line.
6. Clean, adjust gap or replace.
7. Remove spark plug, dry the plug, and
crank engine with plug removed and
throttle in off position. Replace spark
plug, connect wire and resume starting
procedures.
Engine runs erratic 1. Spark plug wire loose.
2. Blocked fuel line or stale fuel.
3. Vent in gas cap plugged.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
1. Connect and tighten spark plug wire.
2. Clean fuel line: fill tank with clean,
fresh gasoline.
3. Clear vent.
4. Drain fuel tank. Refill with fresh fuel.
5. Clean air cleaner. See ’’Customer
Responsibilities” section of this manual.
Engine overheats 1. Engine oil level low.
2. Air flow restricted.
1. Fill crankcase with proper oil.
2. Clean lawn mower engine.
Occasional skip
(hesitates) at high speed
Spark plug gap too close. Adjust gap to .030”.
Idles poorly 1. Spark plug fouled, faulty or gap too wide.
2. Dirty air cleaner.
1. Reset gap to .030” or replace spark plug.
2. Clean air cleaner. See ’’Customer
Responsibilities” section of this manual.
Excessive vibration 1. Cutting blade loose or unbalanced.
2. Bent cutting blade.
3. Bent engine crankshaft.
1. Tighten blade and adapter.
Balance blade.
2. Replace blade.
3. Contact your SEARS Service Center.
Mower will not
mulch grass 1. Engine speed too low.
2. Wet grass.
3. Excessively high grass.
4. Dull blade.
1. Move throttle lever to FAST position.
2. Do not mow when grass is wet; wait until
later to cut.
3. Mow once at a high cutting height, then
mow again at desired height or make a
narrower cutting swath (1/2 width).
Do not cut off more than 1/3 of the total
length of the grass at any one cutting.
4. Sharpen or replace blade.
Uneven cut 1. Wheels not positioned correctly.
2. Dull blade.
1. Place all four wheels in same
height position.
2. Sharpen or replace blade.
Mower propels with
clutch disengaged Drive clutch control adjustment needed. Adjust drive clutch control. See “Service
and Adjustment” section of this manual.
Mower will not propel 1. Drive clutch control adjustment needed.
2. Wet grass.
1. Adjust drive clutch control. See “Service
and Adjustment” section of this manual.
2. Do not mow when grass is wet; wait
until later to cut.
Note: For repairs beyond the minor adjustments listed above, contact your nearest SEARS Service Center.
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