Manuals / Poulan / Lawn and Garden / Lawn Mower

Poulan 190781 manual Troubleshooting Points

Models: 190781

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TROUBLESHOOTING POINTS

PROBLEM

CAUSE

CORRECTION

 

 

 

 

 

 

Will not start

1.

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.

Clean/replace 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 start

1.

Dirty air filter.

1.

Clean/replace 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 over

1.

Clutch/brake pedal not depressed.

1.

Depress clutch/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

1.

Weak or dead battery.

1.

Recharge or replace battery.

start

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 power

1.

Cutting too much grass/too fast.

1.

Raise cutting height/reduce speed.

 

2.

Throttle in “CHOKE” position.

2.

Adjust throttle control.

 

3.

Build-up of grass, leaves and trash under mower.

3.

Clean underside of mower housing.

 

4.

Dirty air filter.

4.

Clean/replace 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.

Clean/replace 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 vibration

1.

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.

 

 

 

 

 

 

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Poulan 190781 manual Troubleshooting Points
Page 23 Page 25

190781 specifications

The Poulan 190781 is a versatile and powerful tool designed for both professional and home use, specifically catering to the needs of outdoor landscape maintenance and tree care. This chainsaw is engineered to deliver exceptional performance, ensuring that tasks like pruning, trimming, and cutting firewood are handled with ease and efficiency.

One of the standout features of the Poulan 190781 is its robust engine. Powered by a reliable 42cc engine, this chainsaw provides ample power for cutting through tough wood while maintaining efficient fuel consumption. The engine is engineered with advanced technologies that minimize emissions and reduce fuel consumption, making it an environmentally friendly choice for users who are conscious of their ecological footprint.

The chainsaw also features an 18-inch bar and chain, which strikes a perfect balance between maneuverability and cutting capacity. This length allows users to tackle a variety of cutting tasks, from small branches to larger logs, making it a multifaceted tool for homeowners and landscapers alike. The low kickback chain design enhances safety, as it reduces the risk of the chainsaw jumping back towards the user during operation.

In terms of user comfort, the Poulan 190781 comes equipped with an ergonomic handle that reduces fatigue during extended use. The anti-vibration system integrated into the design ensures a smoother experience, making it easier to handle for long periods without discomfort. Additionally, the tool comes with a simple and hassle-free starting system, which is particularly beneficial for those who may not be as technically inclined.

For maintenance and safety, the Poulan 190781 is designed with an easy-access air filter and chain tension adjustment, allowing users to keep the chainsaw in optimal condition with minimal effort. The chain brake feature provides added safety by allowing users to quickly stop the chain in the event of kickback.

Overall, the Poulan 190781 embodies a blend of power, efficiency, and comfort, making it an excellent choice for anyone looking to invest in a reliable chainsaw for their outdoor needs. Whether you're a seasoned professional or a beginner, this chainsaw offers the performance and features to meet your demands effectively.