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Troubleshooting - Craftsman 917.377171 Owner's Manual

6.0 horsepower 22" rear discharge rotary lawn mower

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• Cover your unit with a suitable protec-
tive cover that does not retain mois-
ture. Do not use plastic. Plastic cannot
breathe which allows condensation to
form and will cause your unit to rust.
TROUBLESHOOTING
CHART
PROBLEM
CAUSE
Does not start
1. Dirtyair filter.
Loss of power
=oor cut -
Jneven
IMPORTANT:
Never cover mower while
engone and exhaust areas are still warm.
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
storing in any enclosure.
CORRECTION
1. Clean/replace air filter.
2.
3.
4,
Out of fuel.
Stale fuel.
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.
2. Fill fuel tank.
3. Drain tank and refill with
fresh clean fuel.
4. Drain fuel tank and
carburetor and refill tank
with fresh gasoline.
5. Connect wire to plug.
6. Replace spark plug.
7. Tighten blade bolt or
replace blade adapter.
8. Depress control bar to
handle.
Excessive
*ibretlon
Starter rope hard
topull
9. Control bar defective.
10.Weak Battery
11.Disconnected
battery
connector.
1. Rear of lawn mower
housing or cutting blade
dragging in heavy grass.
2. Cutting too much grass.
3. Dirty air fitter.
4. Buildup of grass, leaves,
and trash under mower.
. Too much oil in engine.
• Walking speed too fast.
1. Worn, bent or loose blade.
2. Wheel heights
uneven.
3. Buildup of grass, leaves
and trash under mower.
1. Worn, bent or loose blade.
2. Bent engine crankshaft.
1.
Engine flywheel brake is on
when control bar is released.
2. Bent engine crankshaft.
3. Blade adapter broken.
4. Blade dragging in grass.
9. Replace control bar.
10.Charge battery.
11 .Connect battery to engine.
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.
1. Replace blade. Tighten
blade bolt.
2. Contacta Sears or other
qualified service center.
1. Depress control bar to
upper handle before
pulling starter rope.
2. Contact a Sears or other
qualified service center.
3. Replace blade adapter.
4. Move lawn mower to cut
grass or to hard surface.
17

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