Troubleshooting - Craftsman 917.371820 Owner's Manual

CYLINDER
1. Removespark plug.
2. Pourone ounce (29 ml) of oil through
spark plug hole intocylinder.
3. Pullstarter handleslowly a few times
to distributeoil.
4. Replacewith new spark plug.
OTHER
• Do not store gasolinefrom one season
to another.
• Replaceyour gasoline can if your can
starts to rust. Rustand/ordirt in your
gasolinewill causeproblems.
• If possible,store your unit indoorsand
cover it to protect it from dust anddirt.
• Coveryour unit with a suitableprotective
coverthat does not retain moisture.Do
not use plastic.Plasticcannotbreathe,
which allows condensationto form and
will causeyour unit to rust.
IMPORTANT:Nevercover mowerwhile
engineand exhaustareasare still warm.
A CAUTION: Never store the lawn mower
with gasoline in the tank inside a building
where fumes may reach an open flame or
spark. Allow the engine to cool before stor-
ing in any enclosure.
TROUBLESHOOTING - See appropriate section in manual unless directed
to a Sears Parts &
Repair
Center.
PROBLEM CAUSE
Does not start 1. Dirty air filter.
2. Out of fuel.
3. Stale fuel.
,
5.
6.
7.
8.
9.
Loss of power 1.
2.
3.
4.
5.
6.
Poor cut - 1.
uneven
2
3
Water in fuel.
Spark plug wire is
disconnected.
Bad spark plug.
Loose blade or broken
blade adapter.
Control bar in released
position.
Control bar defective.
10. Fuel valve lever (if so
equipped) in OFF position.
11. Weak battery (if equipped).
12. Disconnected battery
connector (if equipped).
13. Engine control lever is
in STOP position.
Rear of lawn mower
housing or cutting blade
dragging in heavy grass.
Cutting too much grass.
Dirty air filter.
Buildup of grass, leaves,
and trash under mower.
Too much oil in engine.
Walking speed too fast.
Worn, bent or loose blade.
Wheel heights uneven.
Buildup of grass, leaves
and trash under mower.
CORRECTION
1. Clean/replace air filter.
2. Fill fuel tank.
3. Empty fuel tank and refill tank
with fresh, clean gasoline.
4. Empty fuel tank and refill tank
with fresh, clean gasoline.
5. Connect wire to plug.
6. Replace spark plug.
7. Tighten blade bolt or
replace blade adapter.
8. Depress control bar to
handle.
9. Replace control bar.
10.Turn fuel valve lever
to the ON position.
11. Charge battery.
12. Connect battery to engine.
13. Place engine control lever
in FAST position.
1. Raise cutting height.
2. Raise cutting height.
3. Clean/replace air filter.
4. Clean underside of mower
housing.
5. Check oil level.
6. Cut at slower walking speed.
1. Replace blade. Tighten
blade bolt.
2. Set all wheels at same
height.
3. Clean underside of
mower housing.
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