Trou Ble Shooting - Yardworks 400 Series Operator's Manual

PROB LEM
Engine fails to start 1. Blade con trol han dle dis en gaged.
2. Spark plug wire dis connected.
3. Fuel tank empty, or stale fuel.
4. Blocked fuel line.
5. Faulty spark plug.
6. En gine flooded.
Engine runs er ratic 1. Spark plug wire loose.
2. Blocked fuel line or stale fuel.
3. Vent in gas cap plugged.
4. Water or dirt in fuel sys tem.
5. Dirty air cleaner.
6. Car bu re tor out of ad just ment.
En gine over heats 1. Engine oil level low.
2. Air flow re stricted.
3. Car bu re tor not ad justed prop erly.
Idles poorly 1. Spark plug fouled, faulty or gap too
2. Car bu re tor im prop erly ad justed.
3. Dirty air cleaner.
Ex ces sive vi bra tion 1. Cutting blade loose or un balanced.
2. Bent cut ting blade.
Mower will not 1. Wet grass.
mulch grass
2. Ex ces sively high grass.
3. Dull blade.
Un even cut 1. Wheels not po sitioned cor rectly.
2. Dull blade.
Wheels will not 1. Belt not in stalled prop erly.
pro pel
2. De bris clog ging drive op er a tion.
NOTE: For re pairs be yond the mi nor ad justments listed above, con tract your near est au thorized ser vice dealer.

TROU BLE SHOOTING

POS SI BLE CAUSE(S)
wide.
COR REC TIVE AC TION
1. Engage blade con trol han dle.
2. Connect spark plug wire.
3. Fill tank with clean, fresh gas oline.
4. Clean the fuel line.
5. Clean, ad just gap or re place.
6. Wait a few min utes to re start, but do not prime.
1. Connect and tighten spark plug wire.
2. Clean the fuel line; fill the tank with clean, fresh
gas o line.
3. Clear vent.
4. Drain the fuel tank and car buretor. Re fill with
fresh fuel.
5. Clean air cleaner.
6. Ad just car bu re tor.
1. Fill crank case with proper oil.
2. Remove blower hous ing and clean.
3. Ad just car bu re tor.
1. Reset gap to .030" or re place spark plug.
2. Ad just car bu re tor.
3. Clean air cleaner.
1. Tighten blade and adapter. Bal ance blade.
2. Re place blade.
1. Do not mow when grass is wet; wait un til later to
cut.
2. Mow once at a high cut ting height, then mow
again at de sired height or make a nar rower cut -
ting path.
3. Sharpen or re place blade.
1. Place all four wheels in same height po sition.
2. Sharpen or re place blade.
1. Check belt for proper pul ley in stallation and
move ment.
2. Clean out de bris.
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