Poulan MX557 Carburetor Adjustment, Seasonal Storage, Fuel System, Engine, Other

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Screwdriver

3.While holding the screwdriver in position, remove trimmer head by turning clock- wise.

4.Thread replacement trimmer head onto the shaft by turning counterclockwise. Tighten until secure.

5.Remove the screwdriver.

CARBURETOR ADJUSTMENT

WARNING: Keep others away when making idle speed adjustments. The trimmer head will be spinning during this procedure. Wear your protective equipment and observe all safety precautions.

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.

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 stalling (idle speed too slow).

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

STurn idle speed screw counterclockwise to decrease engine speed.

Idle Speed Screw

Air Filter Cover

If you require further assistance or are unsure about performing this procedure, contact an authorized service dealer or call 1--800--554--6723.

STORAGE

WARNING: Perform the following steps after each use:

SAllow engine to cool before storing or trans-

porting.

SStore unit and fuel in a well ventilated area where fuel vapors cannot reach sparks or open flames from water heaters, electric motors or switches, furnaces, etc.

SStore unit with all guards in place. Position unit so that any sharp object cannot acci- dentally cause injury.

SStore unit and fuel well out of the reach of children.

SEASONAL STORAGE

Prepare unit for storage at end of season or if it will not be used for 30 days or more.

If your unit is to be stored for a period of time: S Clean the entire unit before lengthy

storage.

SStore in a clean dry area.

SLightly oil external metal surfaces.

FUEL SYSTEM

Under FUELING ENGINE in the OPERA- TION section of this manual, see message la- beled IMPORTANT regarding the use of ga- sohol in your engine.

Fuel stabilizer is an acceptable alternative in minimizing the formation of fuel gum deposits during storage. Add stabilizer to the gasoline in the fuel tank or fuel storage container.

Follow the mix instructions found on stabilizer container. Run engine at least 5 minutes after adding stabilizer.

HELPFUL TIP

During storage of your gas/ oil mixture, the oil will sepa- rate from the gas.

We recommend that you shake the gas can weekly to insure proper blending of the gas and oil.

ENGINE

SRemove spark plug and pour 1 teaspoon of 40:1, 2-cycle engine oil (air cooled) through

the spark plug opening. Slowly pull the starter rope 8 to 10 times to distribute oil.

SReplace spark plug with new one of recom- mended type and heat range.

SClean air filter.

S Check entire unit for loose screws, nuts, and bolts. Replace any damaged, broken, or worn parts.

SAt the beginning of the next season, use only fresh fuel having the proper gasoline to oil ratio.

OTHER

SDo not store gasoline from one season to another.

SReplace your gasoline can if it starts to rust.

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Contents Manual de Instrucciones Manuel d’Instructions Operator Safety Safety RulesUnit / Maintenance Safety Fuel SafetyCutting Safety AssemblyAdjusting the Handle Transporting and StorageOperation HOW to Start Your Unit HOW to Stop Your UnitStarting a Warm Engine Starting a Flooded EngineOperating Position Trimmer Line AdvanceCutting Methods Inspect and Clean Unit and DE- Cals MaintenanceClean AIR Filter Check for Loose Fasteners and PartsMuffler and Spark ARREST- ING Screen Service and AdjustmentsReplace Spark Plug Replacing the LineSeasonal Storage Carburetor AdjustmentFuel System EngineTroubleshooting Table Cause Remedy Limited Warranty Ligations The U.S. EnvironmentalCenter or call Weed Eater at 800--554--6723 Intermediate 125 hours Extended 300 hours

MX557 specifications

The Poulan MX557 is a versatile chainsaw designed for both novice and experienced users, making it an ideal choice for various cutting tasks. This powerful tool highlights a blend of robust performance, ease of use, and advanced technological features that emphasize efficiency and safety.

One of the standout features of the MX557 is its 50cc 2-stroke engine, which delivers impressive cutting power. This engine is designed for optimal performance, allowing users to tackle tougher jobs, including felling trees, trimming branches, and cutting firewood with relative ease. The chainsaw's engine is also engineered to provide excellent fuel efficiency, ensuring that users can work longer without constant refueling.

The Poulan MX557 comes equipped with a 20-inch guide bar and a low-profile chain, providing a good balance between cutting power and control. This combination allows for greater maneuverability, making it easier to navigate around trees and branches. The longer guide bar is particularly beneficial for making deeper cuts, enhancing the overall performance of the chainsaw.

Safety is a critical aspect of chainsaw design, and the MX557 incorporates several safety features to protect users during operation. The chainsaw includes a chain brake, which can be activated quickly in case of kickback, reducing the risk of injury. Additionally, the comfort-grip handles provide a secure hold, minimizing vibrations and enhancing user control.

Another innovative technology included in the MX557 is the Easy Start system, which simplifies the starting process. This feature is especially beneficial for beginners, as it requires less effort to get the chainsaw running. Furthermore, the tool-free chain tensioning system allows users to adjust the chain's tension easily, ensuring optimal performance without the need for additional tools.

The Poulan MX557 is designed with user convenience in mind. Its lightweight construction makes it easier to handle for extended periods, while the fuel and oil tanks are transparently marked to simplify monitoring fluid levels. This attention to detail ensures that users can operate the chainsaw effectively without interruptions.

In summary, the Poulan MX557 is a powerful and efficient chainsaw that incorporates advanced technology and safety features, making it an excellent choice for a variety of cutting needs. Its robust performance, user-friendly design, and essential safety elements make it a reliable tool for any homeowner or professional looking to manage their cutting tasks with confidence.
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