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MAINTENANCE
Below you will find some general maintenance
instructions.
Daily maintenance
1 Check the throttle trigger for smooth operation. If any
binding occurs, or if engine fails to return to idle, the
machine should be taken to your dealer, befor it is used
again. Also, be sure that the trigger cannot be pulled until
the throttle trigger lockout is depressed.
2 Clean the chain brake and check that it operates safely.
Make sure that the chain catcher is undamaged, and
replace it if necessary.
3 Clean the air filter. Replace if necessary.
4 The bar should be turned daily for more even wear. Check
the lubrication hole in the bar, to be sure it is not clogged.
Clean the bar groove. If the bar has a sprocket tip, this
should be lubricated.
5 Check that the bar and chain are getting sufficient oil.
6 Sharpen the chain and check its tension and condition.
Check the drive sprocket for excessive wear and replace
if necessary.
7 Clean the air intake on the starter. Check the starter and
starter cord for wear or damage.
8 Check that nuts and screws are tight.
9 Test the stop switch to be sure it shuts off the engine.
Weekly maintenance
1 Check that the vibration damping elements are not
damaged.
2 Lubricate the clutch drum bearing.
3 File off any burrs from the edges of the bar.
4 Clean the spark plug. Check that the electrode gap is 0.5
mm (0,020 inch).
5 Clean the fins on the flywheel. Check the starter and the
recoil spring.
6 Clean the cooling fins on the cylinder.
7 Clean or replace the spark arrestor mesh in the muffler.
8 Clean the carburettor compartment.
Monthly maintenance
1 Check the brake band on the chain brake for wear.
2 Check the clutch centre, clutch drum and clutch spring for
wear.
3 Clean the outside of the carburettor.
4 Change the fuel filter in fuel tank.
5 Clean the inside of the fuel tank.
6 Clean the inside of the oil tank.
7 Check all cables and connections.
8 Change the spark plug.
9 Change the air filter.
4
8
1
9
2
3
7
5
6
1
3
0,5 mm
4
5
6
7
2
8
5
6
3
4
7
0,5 mm
8
9
1
2