OPERATION

KNOW YOUR TRIMMER

READ THIS INSTRUCTION MANUAL AND SAFETY RULES BEFORE OPERATING YOUR UNIT. Compare the illustrations with your unit to familiarize yourself with the location of the various controls and adjustments. Save this manual for future reference.

Trimmer

Shaft

 

 

Assist Handle

 

Muffler

Head

 

Safety Label

 

Shaft Mark or Arrow

 

Shield

Spark Plug

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Primer Bulb

 

Throttle Trigger

Line Limiter Blade

 

 

 

 

 

 

 

 

 

STOP

 

 

 

 

 

Fuel Mix Fill Cap

 

 

Switch

 

 

 

 

 

 

 

 

 

 

 

 

Choke Lever

 

 

 

 

 

Starter Handle

 

 

STOP SWITCH

 

 

 

bulb by pressing it and allowing it to return to

The STOP switch is used to stop the engine. To

its original form.

 

 

stop the engine, push and hold the switch in the

CHOKE

 

 

STOP position until the engine stops.

 

 

The CHOKE helps to supply fuel to the engine

PRIMER BULB

 

 

 

to aid in cold starting. Activate the choke by

 

 

 

moving the choke lever to the FULL CHOKE

The PRIMER BULB removes air from the car-

position. After the engine attempts to start, move

buretor and fuel lines and fills them with fuel.

the choke lever to the HALF CHOKE position.

This allows you to start the engine with fewer

Once engine has started, move the choke lever

pulls on the starter rope. Activate the primer

to the RUN position.

 

 

 

 

BEFORE STARTING ENGINE

 

 

cause engine damage. When mixing fuel, follow

WARNING: Be sure to read the fuel

instructions printed on container. Once oil is

added to gasoline, shake container momentarily

information in the safety rules before you be-

to assure that the fuel is thoroughly mixed.

gin. If you do not understand the safety rules,

Always read and follow the safety rules relating

do not attempt to fuel

your unit. Call

to fuel before fueling your unit.

1-800-554--6723.

 

 

 

IMPORTANT

 

 

FUELING ENGINE

 

 

 

Experience indicates that alcohol blended fuels

 

 

 

 

 

(called gasohol or using ethanol or methanol)

WARNING: Remove fuel cap slowly

can attract moisture which leads to separa-

when refueling.

 

 

 

tion and formation of acids during storage.

 

 

 

Acidic gas can damage the fuel system of an

 

HELPFUL TIP

 

engine while in storage. To avoid engine

 

To obtain the correct oil mix

 

problems, empty the fuel system before stor-

 

ratio, pour 3.2 ounces of

 

age for 30 days or longer. Drain the gas tank,

 

2-cycle synthetic oil into

 

start the engine and let it run until the fuel lines

 

one gallon of fresh gas.

 

and carburetor are empty. Use fresh fuel next

 

 

 

 

 

season. Never

use engine or carburetor

This engine is certified to operate on unleaded

cleaner products in the fuel tank or permanent

gasoline. Before operation, gasoline must be

damage may occur. See the STORAGE sec-

mixed with

a good quality

synthetic

2-cycle

tion for additional information.

air-cooled engine oil designed to be mixed at a

 

 

 

 

ratio of 40:1. Poulan/WEED EATER brand

 

 

 

HELPFUL TIP

synthetic oil is recommended. Mix gasoline and

 

 

 

oil at a ratio of 40:1. A 40:1 ratio is obtained by

 

If your engine switch reads

mixing 3.2 ounces (95 ml) of oil with 1 gallon (4

 

“push to stop”, it is always

liters) of unleaded gasoline. DO NOT USE

 

in the ON position.

automotive

oil or marine oil. These

oils will

 

 

 

 

 

 

 

 

4

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Poulan MX557 instruction manual Operation
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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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