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.

Drain 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.

Drain fuel tank and refill with fresh 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.

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

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.

Set in “Higher Cut” position/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.

Drain fuel tank and refill with fresh gasoline.

 

9.

Water in fuel.

9.

Drain 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.

 

 

 

 

 

 

 

 

 

 

25

Page 24 Page 26
Page 25
Image 25
Poulan 178379 owner manual Troubleshooting Points
Page 24 Page 26

178379 specifications

The Poulan 178379 is a powerful and efficient chainsaw designed for both professional and home use. Known for its reliability, this chainsaw is ideal for a variety of tasks, including cutting firewood, trimming trees, and handling larger landscaping projects.

One of the standout features of the Poulan 178379 is its robust engine. With a displacement of 42cc, the chainsaw delivers strong performance and provides the necessary power to tackle tough cutting jobs with ease. The two-stroke engine operates efficiently, allowing for a smooth experience during operation.

The chainsaw is also equipped with a 16-inch guide bar, which offers optimal cutting length while maintaining maneuverability. This length is perfect for handling mid-sized branches and logs, making it a versatile choice for different cutting needs. The bar is paired with a chain that boasts a low kickback design, enhancing safety during use and reducing the likelihood of accidents.

In terms of technology, the Poulan 178379 incorporates advanced features to enhance user experience. It comes with an easy-to-use start system that minimizes the effort needed to start the chainsaw, making it accessible for users of all skill levels. The chainsaw also features an automatic oiler system, which ensures that the chain remains lubricated during operation, thereby extending the life of both the chain and the bar.

Another characteristic that sets the Poulan 178379 apart is its lightweight design. Weighing in at approximately 10 pounds, it is easy to handle for extended periods, reducing fatigue for the user. Additionally, the chainsaw has ergonomic handles that provide a comfortable grip, allowing for better control while cutting.

Maintenance is straightforward with the Poulan 178379. The design includes a tool-free chain tensioning system, enabling users to easily adjust chain tension without the need for additional tools. This feature not only saves time but also encourages regular maintenance, ensuring optimal performance over the lifespan of the chainsaw.

Overall, the Poulan 178379 combines power, efficiency, and user-friendly features, making it an excellent choice for anyone in need of a reliable chainsaw for both professional and recreational use. Its advanced technologies, lightweight design, and ease of maintenance make it a top contender in the competitive chainsaw market.
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