Poulan pro lawn mower troubleshooting

Although originally Poulan was an independent manufacturer, today it belongs to the Swedish manufacturer Husqvarna AB. Poulan was established in 1912 by Claude Poulan who is considered a chainsaw pioneer. In 1972 the brand was bought by Emerson Electric, and shortly afterwards it became the property of Electrolux. One of Poulan chainsaws can be seen in the movie The Texas Chain Saw Massacre.
Is your Poulan lawnmower not starting or are there any other problems? The tables below contain useful information on garden equipment repair. For instance, they explain why a lawnmower won t start, what can be the reasons why it is not working etc.

Poulan Pro PR500N21SH lawn mower troubleshooting

The Pro PR500N21SH is a deluxe model of push rotary lawnmower sold under the Poulan brand, which belongs to the Swedish manufacturer Husqvarna AB. Should you experience any problem you cannot easily remedy, refer to the table below for help.

PROBLEMCAUSECORRECTION
Does not start1. 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 disconnected.5. Connect wire to plug.
6. Bad spark plug.6. Replace spark plug.
7. Loose blade or broken blade adapter.7. Tighten blade bolt or replace blade adapter.
8. Control bar in released position.8. Depress control bar to handle.
9. Control bar defective.9. Replace control bar.
10. Fuel valve lever (if so equipped) in OFF position.10. Turn fuel valve lever to the ON position.
11. Weak battery (if equipped).11. Charge battery.
12. Disconnected battery connector (if equipped).12. Connect battery to engine.
13. Blown fuse (if equipped).13. Replace fuse.
Loss of power1. Rear of lawn mower housing or cutting blade dragging in heavy grass.1. Raise cutting height.
2. Cutting too much grass.2. Raise cutting height.
3. Dirty air filter.3. Clean/replace air filter.
4. Buildup of grass, leaves, and trash under mower.4. Clean underside of 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 - uneven1. Worn, bent or loose blade.1. Replace blade. Tighten blade bolt.
2. Wheel heights uneven.2. Set all wheels at same height.
3. Buildup of grass, leaves and trash under mower.3. Clean underside of mower housing.
Excessive1. Worn, bent or loose blade.1. Replace blade. Tighten blade bolt.
vibration2. Bent engine crankshaft.2. Contact a qualified service center.
Starter rope hard to pull1. Engine flywheel brake is on when control bar is released.1. Depress control bar to 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.
Grass catcher not filling (If so equipped)1. Cutting height too low.1. Raise cutting height.
2. Lift on blade worn off.2. Replace blade.
3. Catcher not venting air.3. Clean grass catcher.
Hard to push1. Grass is too high or wheel height is too low.1. Raise cutting height.
2. Rear of lawn mower housing or cutting blade dragging in grass.2. Raise rear of lawn mower housing one (1) setting higher.
3. Grass catcher too full.3. Empty grass catcher.
4. Handle height position not right for you.4. Adjust handle height to suit.

Poulan Pro YTH2148 lawn mower troubleshooting

The Poulan Pro YTH2148 lawnmower features an operator presence sensing switch. This device has been designed for safety concerns. If a person who operates the unit makes an attempt to leave the seat while engine is running and forgets to first set the parking brake, the lawnmower will shut off.

PROBLEMCAUSECORRECTION
Will not start1. Out of fuel.1. Fill fuel tank.
2. Engine not “CHOKED" properly.2. See "TO START ENGINE* in Operation section.
3. Engine flooded.3. Wait several minutes before attempting to start.
4. Bad spark plug.4. Replace spark plug.
5. Dirty air filter.5. ClearVreplace air filter.
6. Dirty fuel filter.6. Replace fuel filter.
7. Water in fuel.7. Empty fuel tank and carburetor, refill tank with fresh gasoline and replace fuel filter.
8. Loose or damaged wiring.8. Check all wiring.
9. Carburetor out of adjustment.9. See “To Adjust Carburetor* in Service Adjustments section.
10. Engine valves out of adjustment.10. Contact an authorized service center/department.
Hard to start1. Dirty air filter.1. ClearVreplace air filter.
2. Bad spark plug.2. Replace spark plug.
3. Weak or dead battery.3. Recharge or replace battery.
4. Dirty fuel filter.4. Replace fuel filter.
5. Stale or dirty fuel.5. Empty fuel tank and refill tank with fresh, clean gasoline.
6. Loose or damaged wiring.6. Check all wiring.
7. Carburetor out of adjustment.7. See “To Adjust Carburetor* in Service Adjustments section.
8. Engine valves out of adjustment.8. Contact an authorized service center/department.
Engine will not turn over1. Brake pedal not depressed.1. Depress brake pedal.
2. Attachment clutch is engaged.2. Disengage attachment clutch.
3. Weak or dead battery.3. Recharge or replace battery.
4. Blown fuse.4. Replace fuse.
5. Corroded battery terminals.5. Clean battery terminals.
6. Loose or damaged wiring.6. Check all wiring.
7. Faulty ignition switch.7. Check/replace ignition switch.
8. Faulty solenoid or starter.8. Check/replace solenoid or starter.
9. Faulty operator presence switch(es).9. Contact an authorized service center/department.
Engine clicks but will not start1. Weak or dead battery.1. Recharge or replace battery.
2. Corroded battery terminals.2. Clean battery terminals.
3. Loose or damaged wiring.3. Check all wiring.
4. Faulty solenoid or starter.4. Check/replace solenoid or starter.
Loss of power1. Cutting too much grass/too fast.1. Raise cutting height/reduce speed.
2. Throttle in ‘CHOKE* position.2. Ad|ust throttle control.
3. Build-up of grass, leaves and trash under mower.3. Clean underside of mower housing.
4. Dirty air filter.4. ClearVreplace air filter.
5. Low oil level/dirty oil.5. Check oil level/change oil.
6. Faulty spark plug.6. Clean and regap or change spark plug.
7. Dirty fuel filter.7. Replace fuel filter.
8. Stale or dirty fuel.8. Empty fuel tank and refill tank with fresh, clean gasoline.
9. Water in fuel.9. Empty fuel tank and carburetor, refill tank with fresh gasoline and replace fuel filter.
10. Spark plug wire loose.10. Connect and tighten spark plug wire.
11. Dirty engine air screen/fins.11. Clean engine air screen/fins.
12. Dirty/clogged muffler.12. ClearVreplace muffler.
13. Loose or damaged wiring.13. Check all wiring.
14. Carburetor out of adjustment.14. See "To Adjust Carburetor* in Service Adjustments section.
15. Engine valves out of adjustment.15. Contact an authorized service center/department.
Excessive vibration1. Worn, bent or loose blade.1. Replace blade. Tighten blade bolt.
2. Bent blade mandrel.2. Replace blade mandrel.
3. Loose/damaged part(s).3. Tighten loose part(s). Replace damaged parts.
Engine continues to run when operator leaves seat with attachment clutch engaged1. Faulty operator-safety presence control system.1. Check wiring, switches and connections. If not corrected, contact an authorized service center/ department.
Poor cut - uneven1. Worn, bent or loose blade.1. Replace blade. Tighten blade bolt.
2. Mower deck not level.2. Level mower deck.
3. Buildup of grass, leaves, and trash under mower.3. Clean underside of mower housing.
4. Bent blade mandrel.4. Replace blade mandrel.
5. Clogged mower deck vent holes from buildup of grass, leaves, and trash around mandrels.5. Clean around mandrels to open vent holes.
Mower blades will not rotate1. Obstruction in clutch mechanism.1. Remove obstruction.
2. WorrVdamaged mower drive belt.2. Replace mower drive belt.
3. Frozen idler pulley3. Replace idler pulley.
4. Frozen blade mandrel.4. Replace blade mandrel.
Poor grass discharge1. Engine speed too slow.1. Place throttle control in ‘FAST position.
2. Travel speed too fast.2. Shift to slower speed.
3. Wet grass.3. Allow grass to dry before mowing.
4. Mower deck not level.4. Level mower deck.
5. Low/uneven tire air pressure.5. Check tires lor proper air pressure.
6. Worn, bent or loose blade.6. Replace/sharpen blade. Tighten blade bolt.
7. Buildup of grass, leaves and trash under mower.7. Clean underside of mower housing.
8. Mower drive belt worn.8. Replace mower drive belt.
9. Blades improperly installed.9. Reinstall blades sharp edge down.
10. Improper blades used.10. Replace with blades listed in this manual.
11. Clogged mower deck vent holes from buildup of grass, leaves, and trash around mandrels.11. Clean around mandrels to open vent holes.
Headlights) not working (if so equipped)1. Switch is -OFF.1. Turn switch •ON'.
2. Bulb(s) or lamp(s) burned out.2. Replace bulb(s) or lamp(s).
3. Faulty light switch.3. Check/replace light switch.
4. Loose or damaged wiring.4. Check wiring and connections.
5. Blown fuse.5. Replace fuse.
Battery will not charge1. Bad battery cell(s).1. Replace battery.
2. Poor cable connections.2. Check/clean all connections.
3. Faulty regulator (if so equipped).3. Replace regulator.
4. Faulty alternator.4. Replace alternator.
Loss of drive1. Freewheel control in ‘disengagecf position.1. Place freewheel control in “engagecf position.
2. Motion drive belt worn, damaged, or broken.2. Replace motion drive belt.
3. Air trapped in transmission during shipment or servicing.3. Purge transmission.
Engine "backfires" when turning engine "OFF"1. Engine throttle control not set at “SLOW” position for 30 seconds before stopping engine.1. Move throttle control to “SLOW* position and allow to idle lor 30 seconds before stopping engine.