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PROBLEM
Engine failsto start
Engine runserratic
Engine overheats
Occasional skip
(hesitates) at high
speed
i Idles poorly
Excessive vibration
Mower willnot
mulch grass
POSSIBLE CAUSE
1. Blade controlhandle disengaged
2.Spark plug wire disconnected
3.Throttle controllever not in starting position
4.Fuel tank empty, or stale fuel
5.Blockedfuel line
6.Faulty spark plug
1. Spark plugwire loose
2.Blockedfuel line or stale fuel
3.Vent in gas cap plugged
4.Water or dirt in fuel system
5. Dirtyaircleaner
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.Bent cutting blade
3.Bent engine crankshaft
1. Wet grass
2.Excessively high grass
3.Dull blade
Uneven cut 1. Wheels not insame height position
2. Dull blade
CORRECTIVE ACTION
1. Engage blade control handle.
2. Connect wire to spark plug.
3. Move throttlelever tostartingposition.
4. Filltank with fresh, clean fuel.
5,Clean fuel line.
6, Clean, adjust gap or replace.
1, Connect and tightenspark plug wire.
2, Cleanfuel line, fill tankwithclean,fresh
gasoline.
3, Clear vent.
4, Drain fuel tank. Refillwithfresh fuel.
5. Clean air cleaner. Refer to
Maintenance sectionofthis manual.
1, Fillcrankcase withproper oil.
2. Clean lawn mower engine.
1. Adjust gap to .630 inches.
1. Reset gap to .030 inchesor replace
spark plug.
2.Clean air cleaner followinginstructions
on page 13.
1. Tighten blade and adapter, balance
blade.
2. Replace blade.
3.Contact your SEARS Service Center.
1. Wait untillater to cut.
2. Mow once at a highcuttingheight,then
mow again at desired height. Make a
narrowercuttingswath (1/2) width. Do
not cut off more than 1/3 of thetotal
length.
3. Sharpen or replace blade,
1. Place all four wheels in same relative
height position.
2. Sharpen or replace blade.
For repairs beyond the minor adjustments listedabove,
please contact your nearest SEARS Service Center.
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