Poulan SM4018 Cleaning the air filter, Inspect Muffler and Spark Arresting Screen, Idle Speed-T

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Cleaning the air filter:

A dirty air filter decreases engine perform- ance and increases fuel consumption and harmful emissions. Always clean after 10 tanks of fuel or 5 hours of operation, which- ever comes first. Clean more frequently in dusty conditions. A used aire filter can never be completely cleaned. It is advisable to re- place your air filter with a new one after every 50 hours of operation, or annually, whichever comes first.

1.Loosen 3 screws on cylinder cover.

2.Remove cylinder cover.

3.Remove air filter.

4.Clean the air filter using hot soapy water. Rinse with clean cool water. Air dry com- pletely before reinstalling.

5.Lightly oil air filter before installing to im- prove the efficiency of air filter. Use 2--cycle engine oil or motor oil (SAE 30). Squeeze excess oil from filter.

6.Reinstall air filter.

7.Reinstall cylinder cover and 3 screws. TIghten securely.

Air Filter

Cylinder

Cover

 

 

Screws

3.Loosen and remove the 2 muffler bolts. Remove the muffler, muffler gasket, out- let guide and backplate. Notice the ori- entation of these parts for reassembling.

4.Locate the 2 outlet cover screws on the muffler. Loosen and remove both screws.

5.Remove the outlet cover.

Outlet Cover

BACK VIEW OF

 

MUFFLER

 

Muffler

Screws

 

Spark Arresting

 

Screen

 

6.Remove spark arresting screen.

7.Clean the spark arresting screen with a wire brush. Replace screen if any wires are broken or screen is blocked after cleaning.

8.Reinstall spark arresting screen.

9.Reinstall outlet cover and 2 screws. En- sure outlet cover and both screws are re- installed correctly (see illustrations) to prevent damage to the saw. The exhaust outlet must face the chain brake (bar side) of the saw.

Cylinder

Cover

INSPECT MUFFLER AND SPARK ARRESTING SCREEN

Exhaust

Outlet

Outlet Cover

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

As the unit is used, carbon deposits build up on the muffler and spark arresting screen, and must be removed to avoid creating a fire hazard or affecting engine performance.

Replace the spark arresting screen if breaks occur.

CLEANING THE SPARK ARREST- ING SCREEN

Cleaning is required every 25 hours of op- eration or annually, whichever comes first.

Outlet

Guide

Muffler

Muffler

BackplateBolts

Muffler

Gasket

Bolt Cover Locknut

1.Loosen and remove the locknut from the bolt cover.

2.Remove the bolt cover.

Exhaust Outlet must face chain brake (bar side) of chain saw

10.Inspect the muffler gasket and replace if damaged.

11.Reinstall backplate, outlet guide, muffler gasket, and muffler using muffler bolts. Tighten until secure.

12.Reinstall bolt cover and locknut. Tighten securely.

CARBURETOR ADJUSTMENT

WARNING: The chain will be mov- ing during most of this procedure. Wear your protective equipment and observe all safety precautions. The chain must not move at idle speed.

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

SChain moves at idle. See IDLE SPEED--T

adjusting procedure.

SSaw will not idle. See IDLE SPEED--T ad- justing procedure.

Idle Speed-T

Allow engine to idle. If the chain moves, idle is too fast. If the engine stalls, idle is too slow. Adjust speed until engine runs without chain movement (idle too fast) or stalling (idle too slow). The idle speed screw is located in the area above the primer bulb and is labeled T.

STurn idle speed screw (T) clockwise to in- crease engine speed.

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Contents Manual de Instrucciones Manuel d’Instructions 545123649 8/25/06Plan Ahead Identification of SymbolsSafety Rules Handle Fuel with Caution Operate Your SAW SafelyMaintain Your SAW in Good Working Order KickbackMaintain Control Kickback Safety FeaturesReduce the Chance of Kickback Avoid Obstructions Clear The Working AreaCKA without chain brake Chain Brake and CKA AngleComputed kickback angle CKA Table SM4018Attaching the BAR & Chain If not AssemblyInside view Chain Brake Adjustment located on Chain Brake Already attachedDrive Links Place chain onto the sprocket Adjusting the tensionCutters Throttle Trigger ON/STOP SwitchKnow Your SAW Throttle LockoutBAR and Chain Lubrication StartingFueling Engine Important Points to RememberImportant Points Cutting MethodsStarting a Warm Engine Notch CUT and Felling the Tree Tree Felling TechniquesFelling Large Trees Ger than 30 seconds at full throttleTypes of Cutting Used for Bucking Bucking Using a LOG or Support StandCutting a Fallen Tree Bucking Without a SupportLimbing and Pruning Important Points ServicePruning LimbingCarburetor Adjustment Cleaning the air filterCleaning the Spark ARREST- ING Screen Inspect Muffler and Spark Arresting ScreenNeed ASSISTANCE? Empty fuel tank and refill with Limited WarrantyLoad Adjustment Engine Your Warranty Rights and Obliga Tions The U.S. Environmental ProtectionIntermediate 125 hours Extended 300 hours

SM4018, 545123649 specifications

The Poulan 545123649 SM4018 chainsaw is a powerful tool designed for both professionals and homeowners who require a reliable and efficient cutting solution for their outdoor tasks. Recognized for its robust design and advanced features, this chainsaw is ideal for felling trees, limbing, and cutting firewood.

One of the main features of the SM4018 is its 40cc engine, which provides ample power for cutting through even the toughest wood. With a high-performance engine, users can expect quick acceleration and reduced emissions, making it an environmentally friendly option. The powerful engine ensures that the chainsaw delivers consistent performance over extended periods, ideal for demanding projects.

Another standout characteristic of the Poulan 545123649 is its 18-inch bar and chain. This length strikes a perfect balance, allowing users to tackle both small and sizable tasks with ease. The chain is precision-engineered to deliver smooth and efficient cutting, helping users achieve their desired results with minimal effort.

The chainsaw is equipped with an automatic lubrication system, which continually oils the chain during operation. This feature significantly reduces wear and tear, prolonging the life of both the chain and the bar. Furthermore, the convenient oil reservoir is easily accessible, allowing for quick refills when necessary.

Comfort and usability are top priorities in the design of the SM4018. The chainsaw features an ergonomic handle with anti-vibration technology, which reduces user fatigue during prolonged use. This makes it a suitable tool for both novice users and seasoned professionals who need to work for extended periods without discomfort.

Safety is paramount when operating any power tool, and the Poulan SM4018 doesn’t fall short in this regard. It comes equipped with a chain brake system that stops the chain immediately in case of kickback, protecting the user from potential injuries. Additionally, the easy-access air filter ensures that the engine remains clean, maximizing its performance and longevity.

Overall, the Poulan 545123649 SM4018 chainsaw combines power, precision, and safety to deliver an exceptional cutting experience. With its advanced features and user-friendly design, it is a reliable choice for anyone looking to invest in a high-quality chainsaw for their outdoor needs.
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