TROUBLESHOOTING POINTS

PROBLEM

CAUSE

CORRECTION

Engine continues to run

1.

Faulty operator-safety presence control system.

1.

Check wiring, switches and connections. If not

when operator leaves

 

 

 

corrected, contact an authorized service center/

seat with attachment

 

 

 

department.

clutch engaged

 

 

 

 

 

 

 

 

 

Poor cut - uneven

1.

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

5.

Clean around mandrels to open vent holes.

 

 

grass, leaves, and trash around mandrels.

 

 

 

 

 

 

 

Mower blades will not

1.

Obstruction in clutch mechanism.

1.

Remove obstruction.

rotate

2.

Worn/damaged mower drive belt.

2.

Replace mower drive belt.

 

3.

Frozen idler pulley.

3.

Replace idler pulley.

 

4.

Frozen blade mandrel.

4.

Replace blade mandrel.

 

 

 

 

 

Poor grass discharge

1.

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 for 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

11.

Clean around mandrels to open vent holes.

 

 

grass, leaves, and trash around mandrels.

 

 

 

 

 

 

 

Headlight(s) not working

1.

Switch is “OFF”.

1.

Turn switch “ON”.

(if so equipped)

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 charge

1.

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 drive

1.

Freewheel control in “disengaged” position.

1.

Place freewheel control in “engaged” position.

 

2.

Motion drive belt worn, damaged, or broken.

2.

Replace motion drive belt.

 

3.

Air trapped in transmission during shipment

3.

Purge transmission.

 

 

or servicing.

 

 

 

 

 

 

 

Engine “backfires”

1.

Engine throttle control not set at “SLOW”

1.

Move throttle control to “SLOW” position and allow

when turning engine

 

position for 30 seconds before stopping engine.

 

to idle for 30 seconds before stopping engine.

“OFF”

 

 

 

 

 

 

 

 

 

26

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Poulan 178379 owner manual Off
Page 25 Page 27

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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