Craftsman 917.376721 Manual De Usuario página 18

PROBLEM
Does not start 3.
(continued)
4.
5.
6.
7.
8.
,
CAUSE
Stale fuel.
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.
.
4.
5.
6.
7.
8.
9.
CORRECTION
Empty fuel tank and refill tank
with fresh, clean gasoline.
Empty fuel tank and refill tank
with fresh, clean gasoline.
Connect wire to plug.
Replace spark plug.
Tighten blade bolt or
replace blade adapter.
Depress control bar to
handle.
Replace control bar.
Loss of power
Poor cut -
uneven
Excessive
vibration
Starter rope
hard to pull
Grass catcher
not filling
(If so equipped)
Hard to push
Loss of drive
or slowing of
drive speed
10. Fuel valve lever is OFF.
1. Rear of housing or cutting
blade dragging in grass.
2. Cutting too much grass.
3. Dirty air filter.
4. Buildup of grass, leaves,
and trash under mower.
5. Too much oil in engine.
6. 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.
,
.
3.
4.
Engine flywheel brake is on
when control bar is released.
Bent engine crankshaft.
Blade adapter broken.
Blade dragging in grass.
1. Cutting height too low.
2. Lift on blade worn off.
3. Catcher not venting air.
1. Grass is too high or wheel
height is too low.
2. Rear of housing or cutting
blade dragging in grass.
3. Grass catcher too full.
4. Handle height position not
right for you.
1. Belt wear.
2. Belt off of pulley.
3. Drive cable worn or broken.
4. "Loose" drive control system.
10.Turn fuel valve lever ON.
1. Raise rear of mower housing
one (1) setting higher.
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 bolt.
2. Set all wheels at same height
3. Clean underside of
mower housing.
1. Replace blade. Tighten bolt.
2. Contact a 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.
1. Raise cutting height.
2. Replace blade.
3. Clean grass catcher.
1. Raise cutting height.
2. Raise rear of mower housing
one (1) setting higher.
3. Empty grass catcher.
4. Adjust handle height to suit.
1. Check/replace drive belt.
2. Check/reinstall drive belt.
3. Replace drive cable.
4. Adjust drive control.
18