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.

 

 

 

 

 

 

24

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Poulan 188870 manual Troubleshooting Points
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188870 specifications

The Poulan 188870 is a powerful and versatile chainsaw designed for both professionals and avid gardeners. Engineered for cutting through various types of wood, from hardwoods to softwoods, the Poulan 188870 showcases a combination of performance and ease of use.

One of the standout features of the Poulan 188870 is its robust engine. It incorporates a 18-inch bar and chain that delivers the necessary power for trimming branches, felling small trees, and cutting firewood. The chainsaw is powered by a reliable 50cc two-stroke engine, which is known for its efficiency and ability to handle tough tasks with minimal downtime.

The design of the Poulan 188870 includes advanced technologies aimed at improving user experience. The chainsaw is equipped with an easy-start feature, allowing for a hassle-free ignition. This saves precious time, particularly in situations where quick operation is essential. The Automatic Oiling System ensures that the chain is adequately lubricated during operation, enhancing performance and extending the lifespan of the bar and chain.

Safety is a significant consideration in the design of the Poulan 188870. It features a chain brake that activates in case of kickback, significantly reducing the risk of accidents. Additionally, with its ergonomic handle, the chainsaw is not only comfortable to hold but also minimizes vibrations, making operations smoother and reducing fatigue during prolonged use.

Another attractive characteristic of the Poulan 188870 is its lightweight construction. Weighing just over 12 pounds, it is relatively easy to maneuver, making it suitable for all-day use without causing excessive strain on the user. This is particularly beneficial for homeowners who may not have extensive experience with power tools.

In terms of maintenance, the Poulan 188870 makes it easy for users to perform routine checks and repairs. The accessible air filter and spark plug facilitate straightforward servicing, which is essential for keeping the chainsaw in optimal working condition.

Overall, the Poulan 188870 combines power, efficiency, and safety features that cater to a wide range of users. It stands out as a reliable choice for anyone in need of a dependable chainsaw for gardening or lumber work. Its balance of performance and user-friendly characteristics makes it a favorite among chainsaw enthusiasts.
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