Bolens 124-848L401 - Manual (Page 12)

TROUBLE SHOOTING GUIDE
Trouble Possible Cau se(s) Corrective Action
Engine fails to start 1. Blade conti ol handle disengaged.
2. Spark plug wire disconnected.
3. Throttle control lever not in START
position.
4. Fuel tank empty, or stale fuel.
5. Blocked fuel line.
6. Faulty spai k plug.
7. Engine floe ded.
1. Engage blade control handle.
2. Connect wire to spark plug.
3. Move throttle lever to START
position.
4. Fill tank with clean, fresh gasoline.
5. Clean fuel line.
6. Clean, adjust gap or replace.
7. Crank engine with throttle in FAST
position.
Engine runs erratic 1. Unit running in START
position.
2. Spark plug wire loose.
3. Blocked fijsl line or stale fuel.
4. Vent in gan cap plugged.
5. Water or dirt in fuel system.
6. Dirty air clnaner.
7. Carbúrete out of adjustment.
1. Move throttle lever to FAST
position.
2. Connect and tighten spark plug wire.
3. Clean fuel line; fill tank with clean,
fresh gasoline.
4. Clear vent.
5. Drain fuel tank. Refill with fresh fuel.
6. Clean air cleaner.t
7. Adjust carburetor.-)-
Engine overheats 1. Engine oil level low.
2. Air flow re stricted.
3. Carbúrete ■ not adjusted properly.
1. Fill crankcase with proper oil.
2. Remove blower housing and clean.t
3. Adjust carburetor.!
Occasional skip
(hesitates) at high speed 1. Spark plug gap too close.
2. Carburetor idle mixture adjustment
improperly set.
1. Adjust gap to .030".
2. Adjust carburetor.!
Idles poorly 1. Spark plug fouled, faulty or gap too
wide.
2. Carbúrete r improperly adjusted.
3. Dirty air c eaner.
1. Reset gap to .030" or replace
spark plug.
2. Adjust carburetor.!
3. Clean air cleaner.-)-
Excessive vibration 1. Cutting bl ade loose or unbalanced.
2. Bent cutti ig blade.
1. Tighten blade and adapter.
Balance blade.
2. Replace blade.
Mower will not
discharge grass
1. Engine speed too low.
2. Wet grass.
3. Excessively high grass.
1. Set throttle between 3/4 and full
throttle.
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).
Uneven cut Dull blade. Sharpen or replace blade.
fRefer to separate engine manual packed with your unit.
Note: For repairs beyond the minor adjustments listed above, contact your local authorized service dealer.
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