Poulan 115153026 Manuel d'utilisateur télécharger pdf (Page 16)

16

Air Filter

Air Filter

Cover

Cylinder

Cover

INSPECT MUFFLER AND SPARK

ARRESTING SCREEN

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 af fecting engine performance.

Replace the spark arresting screen if breaks

occur.

Nut

Muffler

Spark

Arresting

Scree n

Exhaust

Outlet

Cover

CLEANING THE SPARK ARREST-

ING SCREEN

Cleaning is required every 25 hours of op-

eration or annually, whichever comes first.

1. Loosen and remove the nut from the ex-

haust outlet cover.

2. Remove the exhaust oulet cover.

3. Remove spark arresting screen. Handle

screen carefully to prevent damage.

4. Clean the spark arresting screen gently

with a wire brush. Replace screen if

breaks are found.

5. Replace any broken or cracked muffler

parts.

6. Reinstall spark arresting screen, exhaust

outlet cover , and nut. Tighten nut securely.

REPLACE SPARK PLUG

The spark plug should be replaced each

year to ensure the engine starts easier and

runs better. Ignition timing is fixed and non-

adjustable.

NOTE: This spark ignition system complies

with the Canadian standard ICES--002.

1. Loosen 3 screws on cylinder cover .

2. Remove the cylinder cover.

3. Pull off the spark plug boot.

4. Remove spark plug from cylinder and

discard.

5. Replace with Champion RCJ--7Y spark

plug and tighten securely with a

3

/

4

inch

(19 mm) socket wrench. Spark plug gap

should be 0.025 inch (0,6 mm).

6. Reinstall the spark plug boot.

7. Reinstall the cylinder cover and 3

screws. Tighten securely.

Spark

Plug

Cylinder

Cover

Spark

Plug Boot

REPLACE FUEL FILTER

To replace fuel filter , drain your unit by running it

dry of fuel. Remove fuel cap and its connected

retainer from tank. Pull filter from tank and re-

move from line. Replace and reassemble.

CHAIN A DJ U S TMENT

See CHAIN TENSION in ASSEMBL Y section.

CHAIN S H ARPENING

WARNING: Improper chain sharp-

ening techniques and/or depth gauge mainte-

nance will increase the chance of kickback

which can result in serious injury.

WARNING: W ear protective gloves

when handling chain. The chain is sharp and

can cut you even when it is not moving.

Conditions which indicate the need for chain

sharpening:

S Reduction in size of wood chips. The size

of the wood chip will decrease as the chain

gets duller until it becomes more like a

powder than a chip. Note that dead or

rotted wood will not produce a good chip.

S Saw cuts to one side or at an angle.

S Saw has to be forced through the cut.

Too ls required:

S 5/32 inch (4 mm) diameter round file and

file holder

S Flat file

S Depth gauge tool

TO SHARPEN CHAIN:

1. Move ON/STOP s witc h to the STOP

position.

2. Check chain for proper tension. Adjust

chain tension if necessary. See CHAIN

TENSION section.

3. Sharpen cutters.

S To sharpen the cutters, position the

file holder level (90˚) so that it rests

on the top edges of the cutter and

depth gauge.

NOTE: The chain has both left and

right hand cutters.

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