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.

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.

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.

 

 

 

 

 

 

 

 

 

 

27

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Poulan 178500 owner manual Troubleshooting Points, Problem Cause Correction

178500 specifications

The Poulan 178500 is a powerful and versatile string trimmer that caters to the needs of both professional landscapers and homeowners looking for an efficient lawn maintenance tool. Known for its robust design and user-friendly features, the Poulan 178500 stands out in the market of outdoor power equipment.

One of the main features of the Poulan 178500 is its potent 17cc, 2-cycle engine. This engine delivers a strong performance, allowing users to tackle tough grass, weeds, and overgrown areas with ease. The 2-cycle technology ensures that the trimmer is not only powerful but also lightweight, making it easier to maneuver during extended use. Users will benefit from a balanced weight distribution, which minimizes user fatigue.

Equipped with a dual-line cutting head, the Poulan 178500 ensures efficient cutting performance. The dual-line system offers a wider cutting path, enabling greater coverage with each pass. This feature is especially beneficial for larger yards or heavily landscaped areas, as it reduces the time spent on trimming tasks. Additionally, the trimmer utilizes a bump-feed line advancement system, allowing users to easily release more line with a simple tap on the ground, keeping productivity high without interruptions.

The ergonomic design of the Poulan 178500 enhances user comfort and usability. It boasts cushioned grips that reduce vibration and improve handling. Furthermore, the adjustable handle allows users to customize the position for optimal control, making trimming at various angles easier and more efficient.

Another remarkable characteristic of the Poulan 178500 is its ease of starting. The trimmer is equipped with a simplified starting mechanism, minimizing the effort required to get the engine running. This feature is particularly advantageous for those who may struggle with traditional starting methods.

For added convenience, the Poulan 178500 features a lightweight frame, making it one of the more portable options in the string trimmer market. This ease of transport and storage ensures that users can easily move from one area of their property to another without hassle.

In summary, the Poulan 178500 is a high-performance string trimmer that merges power, comfort, and user-friendly technology. Its robust engine, dual-line system, ergonomic design, and easy starting mechanism make it an excellent choice for anyone seeking a reliable and efficient lawn maintenance tool. Whether for professional landscaping or routine yard care, the Poulan 178500 is built to meet diverse trimming demands while delivering excellent results.