Service and Adjustments, Replace Spark Plug

Button

Air Filter

Air Filter Cover

MUFFLER AND SPARK ARREST- ING SCREEN

WARNING: The muffler on this prod- uct contains chemicals known to the State of California to cause cancer.

As your unit is used, carbon deposits build up on the muffler and spark arresting screen.

For normal homeowner use, however, the muffler and spark arresting screen will not re- quire any service. After 50 hours of use, we recommend that your muffler be serviced or replaced by your authorized service dealer.

REPLACE SPARK PLUG

Replace the spark plug each year to ensure the engine starts easier and runs better. Inspect spark plug every 25 hours of usage. Clean and/or replace as necessary. Set spark plug gap at 0.025 inch (0.6 mm). Ignition tim- ing is fixed and nonadjustable.

1.Twist, then pull off spark plug boot.

2.Remove spark plug from cylinder and discard.

3.Replace with Champion RCJ-6Y spark plug and tighten securely with a 3/4 inch (19 mm) socket wrench.

4.Reinstall the spark plug boot.

SERVICE AND ADJUSTMENTS

REPLACING THE LINE

1.Remove spool by firmly pulling on tap button.

2.Clean entire surface of hub and spool.

3.Replace with a pre-wound spool, or cut two lengths of 12-1/2 feet of 0.080″ (2 mm) di- ameter Poulan PRO brand line.

WARNING: Never use wire, rope, string, etc., which can break off and become a dangerous missile.

4.Insert ends of the lines about 1/2 inch (1 cm) into the small holes on the inside of spool.

Spool

Small

Holes

Line exit holes

Line in Notch

10.Pull the lines extending outside of the hub to release the lines from the notches.

CARBURETOR ADJUSTMENT

WARNING: Keep others away when making idle speed adjustments. The trimmer head or any optional attachment will be spin- ning during most of this procedure. Wear your protective equipment and observe all safety precautions. After making adjustments, the trimmer head or any optional attachment must not move/spin at idle speed.

The carburetor has been carefully set at the factory. Adjustments may be necessary if you notice any of the following conditions:

S Engine will not idle when the throttle is released.

S The trimmer head or any optional attachment moves/spins at idle.

Make adjustments with the unit supported so the cutting attachment is off the ground and will not make contact with any object. Hold the unit by hand while running and making ad- justments. Keep all parts of your body away from the cutting attachment and muffler.

Idle Speed Adjustment

Allow engine to idle. Adjust speed until engine runs without trimmer head or any optional at- tachment moving or spinning (idle too fast) or engine stalling (idle speed too slow).

Hub

Line in Notch

S Turn idle speed screw clockwise to increase engine speed if engine stalls or dies.

5.Wind the line evenly and tightly onto the spool. Wind in the direction of the arrows found on the spool.

6.Push the lines into the notches, leaving 3 to 5 inches (7 -- 12 cm) unwound.

7.Insert the lines into the the exit holes in the hub as shown in the illustration.

8.Align the notches with the line exit holes.

9.Push spool into hub until it snaps into place.

STurn idle speed screw counterclockwise to decrease engine speed if trimmer head or any optional attachment moves or spins at idle.

WARNING: Recheck the idle speed after each adjustment. The trimmer head or any optional attachment must not move or spin at idle speed to avoid serious injury to the operator or others.

545137273 specifications

The Poulan 545137273 is a versatile and powerful chainsaw designed for both homeowners and professionals alike. With its robust features and cutting-edge technologies, this chainsaw stands out in the competitive field of outdoor power equipment. It is tailored to handle a variety of cutting tasks, from tree trimming to firewood preparation.

One of the main features of the Poulan 545137273 is its efficient engine. Equipped with a 50cc two-stroke engine, it delivers an impressive amount of power that allows for quick and efficient cutting. The engine is designed to provide optimal performance while minimizing fuel consumption, making it an economical choice for those who require frequent use. Additionally, the engine includes advanced air injection technology that helps reduce the amount of dirt and debris that enters the air filter, prolonging the life of the engine and enhancing overall performance.

Another notable characteristic of the Poulan 545137273 is its lightweight design. Weighing in at approximately 12 pounds, this chainsaw is easy to maneuver, which is essential for users who may need to work at height or in tight spaces. The balanced design reduces user fatigue, making it suitable for prolonged use without discomfort.

The chainsaw also boasts a 20-inch bar and chain, allowing for long and efficient cutting strokes. This length is ideal for tackling larger trees and logs, while the low-profile chain ensures easy operation and reduces kickback, enhancing safety. Additionally, the chainsaw features an automatic oiling system that keeps the chain lubricated for smoother cuts and reduced wear.

User comfort and safety are prioritized in the design of the Poulan 545137273. It is equipped with an ergonomic handle that provides a secure grip, and the anti-vibration technology helps minimize fatigue during operation. Safety features include a chain brake that stops the chain quickly in case of kickback and a throttle lock for added control.

In conclusion, the Poulan 545137273 is a powerful and efficient chainsaw, designed with the needs of users in mind. Its combination of a strong engine, lightweight construction, and advanced features make it an excellent choice for anyone looking to tackle cutting tasks with ease and confidence. Whether for garden maintenance or professional logging, this chainsaw is a reliable tool that delivers great performance.