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

 

Cylinder

 

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.

INSPECT MUFFLER AND SPARK

Exhaust

Outlet Cover

ARRESTING SCREEN

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

Backplate

 

 

 

 

 

 

 

 

 

 

 

Muffler

 

Bolts

 

 

 

 

 

 

 

 

 

 

 

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

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.

STurn idle speed screw (T) counterclock- wise to decrease engine speed.

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

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Poulan 530163637 Inspect Muffler and Spark, Arresting Screen, Cleaning the Spark ARREST- ING Screen, Carburetor Adjustment

530163637 specifications

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