Poulan PR450N20S Owner Manual - Page 3

Troubleshooting, Safety Rules - spark plug

Page 3 highlights

TROUBLESHOOTING See appropriate section in manual unless directed to an authorized Service Center. PROBLEM CAUSE CORRECTION Does not start 1. Dirty air filter. 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. 10. Fuel valve lever (if so equipped) in OFF position. 11. Weak battery (if equipped). 12. Disconnected battery connector (if equipped). 13. Blown fuse (if equipped). 1. Clean/replace air filter. 2. Fill fuel tank. 3. Drain fuel tank and refill tank with fresh, clean gasoline. 4. Drain 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. Replace fuse. Loss of power 1. Rear of lawn mower housing or cutting blade dragging in heavy 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. 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. Poor cut - uneven 1. Worn, bent or loose blade. 2. Wheel heights uneven. 3. Buildup of grass, leaves and trash under mower. 1. Replace blade. Tighten blade bolt. 2. Set all wheels at same height. 3. Clean underside of mower housing. Excessive vibration 1. Worn, bent or loose blade. 2. Bent engine crankshaft. 1. Replace blade. Tighten blade bolt. 2. Contact a qualified service center. Starter rope hard to pull 1. Engine flywheel brake is on 1. Depress control bar to when control bar is released. upper handle before pulling starter rope. 2. Bent engine crankshaft. 2. Contact a qualified service center. 3. Blade adapter broken. 3. Replace blade adapter. 4. Blade dragging in grass. 4. Move lawn mower to cut grass or to hard surface. 22 SAFETY RULES • Clear the area of objects such as rocks, • When loading or unloading this ma- toys, wire, bones, sticks, etc., which chine, do not exceed the maximum could be picked up and thrown by recommended operation angle of 15°. blade. Stay behind the handle when the • Wear proper Personal Protective Equip- engine (motor) is running. ment (PPE) while operating this ma- • Be sure the area is clear of other people chine, including (at a minimum) sturdy before mowing. Stop machine if anyone footwear, eye protection, and hearing enters the area. protection. Do not mow in shorts or • Do not operate machine barefooted or open toed footwear. while wearing sandals. Always wear Always let someone know you are outside substantial footwear with good ankle mowing. support while mowing. • Do not pull mower backwards unless absolutely necessary. Always look down and behind before and while moving backwards. • Never direct discharged material toward anyone. Avoid discharging material III. SLOPE OPERATION Slopes are a major factor related to slip & fall accidents, which can result in severe injury. All slopes require extra caution. If you feel uneasy on a slope, do not mow it. against a wall or obstruction. Material DO: may richochet back toward the opera- • Mow across the face of slopes: never tor. Stop blade when crossing gravel up and down. Exercise extreme caution surfaces. when changing direction on slopes. • Do not operate the mower without • Remove obstacles such as rocks, tree proper guards, plates, grass catcher or limbs, etc. other safety protective devices in place. • Watch for holes, ruts, bumps or hidden • See manufacturer's instructions for objects. Uneven terrain could cause a proper operation and installation of slip and fall accident. Tall grass can hide accessories. Only use accessories ap- obstacles. proved by the manufacturer. • Stop the blade(s) when crossing gravel drives, walks, or roads. • Never leave a running machine unat- tended. • Stop the engine (motor) and wait until the blade comes to a complete stop before cleaning the machine, removing DO NOT: • Do not mow near drop-offs, ditches or embankments. You could lose your footing or balance. • Do not mow on wet grass or excessively steep slopes. Poor footing could cause a slip and fall accident. the grass catcher, or unclogging the discharge chute. IV. SAFE HANDLING OF GASOLINE • Mow only in daylight or good artificial To avoid personal injury or property dam- light. age, use extreme care in handling gaso- • Do not operate the machine while under line. Gasoline is extremely flammable and the influence of alcohol or drugs. the vapors are explosive. • Never operate machine in wet grass. • Extinguish all cigarettes, cigars, pipes Always be sure of your footing: keep a and other sources of ignition. firm hold on the handle; walk, never run. • Use only an approved container. • Disengage the drive system, if so • Never remove gas cap or add fuel with equipped, before starting the engine (mo- the engine running. tor). • Allow engine to cool before refueling. • If the equipment should start to vibrate • Never refuel the machine indoors. abnormally, stop the engine (motor) and • Never store the machine or fuel contain- check immediately for the cause. Vibra- er where there is an open flame, spark tion is generally a warning of trouble. or pilot light such as a water heater or • Always wear eye protection when oper- on other appliances. ating machine. • Never fill containers inside a vehicle, on • Use extra care when approaching blind a truck or trailer bed with a plastic liner. corners, shrubs, trees, or other objects Always place containers on the ground that may obscure vision. away from your vehicle before filling. 3

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22
Does not start
1.
Dirty air filter.
1. Clean/replace air filter.
2.
Out of fuel.
2. Fill fuel tank.
3.
Stale fuel.
3.
Drain fuel tank and refill tank
with fresh, clean gasoline.
4.
Water in fuel.
4.
Drain fuel tank and refill tank
with fresh, clean gasoline.
5.
Spark plug wire is
5. Connect wire to plug.
disconnected.
6.
Bad spark plug.
6. Replace spark plug.
7.
Loose blade or broken
7. Tighten blade bolt or
blade adapter.
replace blade adapter.
8.
Control bar in released
8. Depress control bar to
position.
handle.
9.
Control bar defective.
9. Replace control bar.
10. Fuel valve lever (if so
10. Turn fuel valve lever
equipped) in OFF position.
to the ON position.
11. Weak battery (if equipped).
11. Charge battery.
12. Disconnected battery
12. Connect battery to engine.
connector (if equipped).
13. Blown fuse (if equipped).
13. Replace fuse.
Loss of power
1.
Rear of lawn mower
1. Raise cutting height.
housing or cutting blade
dragging in heavy grass.
2.
Cutting too much grass.
2. Raise cutting height.
3.
Dirty air filter.
3. Clean/replace air filter.
4.
Buildup of grass, leaves,
4. Clean underside of mower
and trash under mower.
housing.
5.
Too much oil in engine.
5. Check oil level.
6.
Walking speed too fast.
6.
Cut at slower walking speed.
Poor cut –
1.
Worn, bent or loose blade.
1. Replace blade. Tighten
uneven
blade bolt.
2.
Wheel heights uneven.
2.
Set all wheels at same
height.
3.
Buildup of grass, leaves
3. Clean underside of
and trash under mower.
mower housing.
Excessive
1.
Worn, bent or loose blade.
1. Replace blade. Tighten
vibration
blade bolt.
2.
Bent engine crankshaft.
2. Contact a qualified service
center.
Starter rope
1.
Engine flywheel brake is on
1. Depress control bar to
hard to pull
when control bar is released.
upper handle before
pulling starter rope.
2.
Bent engine crankshaft.
2. Contact a qualified service
center.
3.
Blade adapter broken.
3. Replace blade adapter.
4.
Blade dragging in grass.
4.
Move lawn mower to cut
grass or to hard surface.
PROBLEM
CAUSE
CORRECTION
See appropriate section in manual unless directed to an authorized
Service Center.
TROUBLESHOOTING
3
SAFETY RULES
• Clear the area of objects such as rocks,
toys, wire, bones, sticks, etc., which
could be picked up and thrown by
blade.
Stay behind the handle when the
engine (motor) is running.
• Be sure the area is clear of other people
before mowing. Stop machine if anyone
enters the area.
• Do not operate machine barefooted or
while wearing sandals. Always wear
substantial footwear with good ankle
support while mowing.
• Do not pull mower backwards unless
absolutely necessary. Always look down
and behind before and while moving
backwards.
• Never direct discharged material toward
anyone.
Avoid discharging material
against a wall or obstruction.
Material
may richochet back toward the opera-
tor.
Stop blade when crossing gravel
surfaces.
• Do not operate the mower without
proper guards, plates, grass catcher or
other safety protective devices in place.
• See manufacturer’s instructions for
proper operation and installation of
accessories. Only use accessories ap-
proved by the manufacturer.
• Stop the blade(s) when crossing gravel
drives, walks, or roads.
• Never leave a running machine unat-
tended.
• Stop the engine (motor) and wait until
the blade comes to a complete stop
before cleaning the machine, removing
the grass catcher, or unclogging the
discharge chute.
• Mow only in daylight or good artificial
light.
• Do not operate the machine while under
the influence of alcohol or drugs.
• Never operate machine in wet grass.
Always be sure of your footing: keep a
firm hold on the handle; walk, never run.
• Disengage the drive system, if so
equipped, before starting the engine (mo-
tor).
• If the equipment should start to vibrate
abnormally, stop the engine (motor) and
check immediately for the cause. Vibra-
tion is generally a warning of trouble.
• Always wear eye protection when oper-
ating machine.
• Use extra care when approaching blind
corners, shrubs, trees, or other objects
that may obscure vision.
• When loading or unloading this ma-
chine, do not exceed the maximum
recommended operation angle of 15°.
• Wear proper Personal Protective Equip-
ment (PPE) while operating this ma-
chine, including (at a minimum) sturdy
footwear, eye protection, and hearing
protection.
Do not mow in shorts or
open toed footwear.
Always let someone know you are outside
mowing.
III. SLOPE OPERATION
Slopes are a major factor related to slip &
fall accidents, which can result in severe
injury. All slopes require extra caution. If
you feel uneasy on a slope, do not mow it.
DO:
• Mow across the face of slopes: never
up and down. Exercise extreme caution
when changing direction on slopes.
• Remove obstacles such as rocks, tree
limbs, etc.
• Watch for holes, ruts, bumps or hidden
objects.
Uneven terrain could cause a
slip and fall accident. Tall grass can hide
obstacles.
DO NOT:
• Do not mow near drop-offs, ditches or
embankments. You could lose your foot-
ing or balance.
• Do not mow on wet grass or excessively
steep slopes. Poor footing could cause
a slip and fall accident.
IV. SAFE HANDLING OF GASOLINE
To avoid personal injury or property dam-
age, use extreme care in handling gaso-
line.
Gasoline is extremely flammable and
the vapors are explosive.
• Extinguish all cigarettes, cigars, pipes
and other sources of ignition.
• Use only an approved container.
• Never remove gas cap or add fuel with
the engine running.
• Allow engine to cool before refueling.
• Never refuel the machine indoors.
• Never store the machine or fuel contain-
er where there is an open flame, spark
or pilot light such as a water heater or
on other appliances.
• Never fill containers inside a vehicle, on
a truck or trailer bed with a plastic liner.
Always place containers on the ground
away from your vehicle before filling.