Poulan 545123649 Manuel d'utilisateur télécharger pdf (Page 14)

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

Cylinder

Cover

INSPECT MUFFLER AND SPARK

ARRESTING SCREEN

WARNING: The muf fler 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.

Muffler

Gasket

Muffler

Bolts

Muffler

ocknut

Outlet

Guide

Bolt Cover

Backplate

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.

BACK VIEW OF

MUFFLER

Muffler

Spark Arresting

Screen

Outlet Cover

Screws

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 .

Exhaust Outlet must face chain

brake (bar side) of chain saw

Outlet Co

Exhaust

Outlet

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.

CARBURET OR ADJUSTMENT

WARNING: The chain will be mov-

ing during most of this procedure. W ear 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:

S Chain moves at idle. See IDLE SPEED--T

adjusting procedure.

S Saw 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.

S T urn idle speed screw (T) clockwise to in-

crease engine speed.

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Poulan 545123649 Manuel d'utilisateur Page 14

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