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SECTION9: TROUBLESHOOTINGGUIDE
Corrective ActionsTrouble
Engine fails to
start
Possible Cause(s)
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
1.
2.
3.
1.
2.
3.
Blade control handle disengaged.
Start control button not depressed.
Spark plug wire disconnected.
Safety key not in run position.
Dirty air cleaner.
Primer button not depressed.
Fuel tank empty or stale fuel
Blocked fuel line.
Faulty spark plug.
1. Engage blade controlhandle.
2. Depress starter control button.
3. Connect wire to spark plug.
4. Safety key not in run position.
5. Refer to the engine manual.
6. Refer to the engine manual.
7. Clean fuel line.
8. Clean, adjust gap or replace.
9. Refer to the engine manual.
Engine flooded. 10. Wait for a while and crank the engine.
Self starter already de*energized. 11. Use recoil starter to start engine..
Engine runs Spark plug wire loose. 1. Connect and tighten spark plug wire. Check for fouling.
erratic Blocked fuel line or stale fuel 2. Clean fuel line; fill tank with dean, fresh gasoline.
Carburetor out of adjustment. 3. Refer to the engine manual.
Engine Engine oil level low. 1. Fill crankcase with proper oil
overheats Dirty aircleaner. 2. Refer to the engine manual.
Air flow restricted. 3. Stop engine and disconnect spark plug wire. Remove
blower housing and clean.
4. Carburetor not adjusted properly 4. Refer to the engine manual.
Occasional skip 1. Sparkplug gap too close. 1. Adjust gapto.030".
at high speed 2. Carburetor adjustment improperly set. 2. Refer to the engine manual.
Idles poorly 1. Spark plug fouled, faulty or gap too wide. 1. Reset gap to.g30" or replace spark plug.
2. Carburetor not adjusted. 2. Refer to the engine manual.
Excessive 1. Cutting bladeloose or unbalanced. 1. Tighten blade and adapter. Balance blade.
vibration 2. Bent cutting blade. 2. See an authorized service dealer.
Mower will not 1. Wet grass. 1. Wait until later to cut.
mulch grass 2. Excessively high grass. 2. Mow once at a high cutting height, then mow again at
desired height.
Uneven cut 1. Wheels positioned incorrectly. 1. Place all four wheels in same height position.
2. Dullblade. 2. Sharpen or replace blade.
NOTE: For repairs beyond the minor adjustments above, contact your local Service dealer.
17
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