Craftsman 917388621 gas walk-behind lawn mower

User Manual - Page 16

For 917388621.

PDF File Manual, 24 pages, Download pdf file

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CYLINDER
1. Remove spark plug,
2. Pour one ounce (29 ml) of oil through
spark plug hole into cylinder.
3. Pullstarter handle slowlya few times
to distribute oil.
4. Replace with new spark plug,
OTHER
Do not store gasoflne from one season
to another.
Replace your gasoline can if your con
starts torust. Rust and/or dirtin your
gasoline will cause problems.
TROUBLESHOOTING CHART
PROBLEM CAUSE
Doeenotstad 1. Dirtyairfifier`
Loss of power
Poor cut -
Jnavell
If possible, store your unit indoorsand
cover it to give protectionfrom dust and
dirt.
Cover your unitwith a suitable protec-
tive cover that does not retain moisture.
Do not use plastic. Plastic cannot
breathe, which allows condensationto
form end will cause your unitto rust.
IMPORTANT: Never cover mower while
engone and exhaust areas are stillwarm.
_, CAUTION:Never storethe 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
stodng in any enclosure.
2. Out of fuel,
3. Stale fuel.
4. Water in fuel.
5. Spark plug wire is
disconnected.
6. Bad spark plug,
7. Loose blade or broken
blade adapter.
8. Control bar in released
position.
9. Control bar defective.
1. Rear of lawn mower
housing or cutting blade
dragging in heavy grass.
2. Cutting too much grass.
3. Dirty air filter.
4. Buildupof grass, leaves,
and trash under mower.
5. Too much oil in engine.
6. Walking speed too fast.
I 1. Wom, bent or loose tdade.
2. Wheel heights uneven.
3. Buildup of grass, leaves
and trash under mower.
1. Worn, bent or loose blade.
2. Bent engine crankshaft.
CORRECTION
1. Clean/replace air filter.
2. Fill fuel tank.
3. Drain tank and refillwith
fresh, clean fuel.
4. Drainfuel tank and
carburetor and refilltank
with fresh gasoline.
5. Connect wire to plug.
6. Replace spark plug.
7. Tighten blade bolt or
replace blade adapter.
8. Depress control barto
handle.
9. Replace control bar.
1, Set to "Higher Cut"
position.
2. Set to "Higher Cut"
position.
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.
Excessive 1. Replace blade. Tighten
,'lbratlon blade bolt.
2. Contact a Sears or other
qualified service center.
16
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