MAINTENANCE SCHEDULE

Check:

Fuel mixture level . . . . Before each use Bar lubrication . . . . . . . Before each use Chain tension . . . . . . . Before each use Chain sharpness . . . . . Before each use For damaged parts . . . Before each use For loose caps . . . . . . Before each use For loose fasteners . . . Before each use For loose parts . . . . . . Before each use

Inspect and Clean:

Bar . . . . . . . . . . . . . . . . Before each use Complete saw . . . . . . . After each use Air filter . . . . . . . . . . . . . Every 5 hours* Chain brake . . . . . . . . . Every 5 hours* Spark arresting screen

and muffler . . . . . . . . . . Every 25 hours* Replace spark plug . Yearly Replace fuel filter . . . Yearly

*Hours of Operation --

Each hour of operation is approximately 2 tanks of fuel.

AIR FILTER

CAUTION: Do not clean filter in gasoline or other flammable solvent to avoid creating a fire hazard or producing harmful evapora- tive emissions.

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

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.

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 ex- haust outlet must face the chain brake (bar side) of the saw.

Cylinder

Cover

Exhaust

Outlet

Outlet Cover

INSPECT MUFFLER AND SPARK ARRESTING SCREEN

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

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

10.Inspect the muffler gasket and replace if damaged.

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Poulan 545123644 instruction manual AIR Filter, Cleaning the air filter, Cleaning the Spark ARREST- ING Screen

545123644 specifications

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To further enhance performance, the Poulan 545123644 utilizes advanced technologies such as an automatic oiling system, ensuring the chain receives the lubrication it needs for smooth operation. This not only prolongs the lifespan of the chain but also reduces maintenance, allowing users to focus on their cutting tasks.

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