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32 – English
MAINTENANCE
CAUTION! The carburettor heater reaches maximum
temperature after about 3 minutes. It is therefore important
that the machine is not run for longer with the heater switched
on. If the switch is left on for too long the carburettor will
overheat and lead to running problems or starting problems.
Winter use
During cold weather and under powder snow conditions,
operating problems can arise due to:
• Too low engine temperature.
• Icing of the air filter and carburettor.
Special measures are therefore often required:
• Partly mask the air inlet on the starter to increase the
working temperature of the engine.
Below you will find some general maintenance
instructions.
Daily maintenance
1 Check that the components of the throttle control work
safely. (Throttle lock and throttle control.)
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.
8 Check that nuts and screws are tight.
9 Test the stop switch to ensure that it works.
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.
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 Check the fuel filter and the fuel hose. Replace if
necessary.
5 Clean the inside of the fuel tank.
6 Clean the inside of the oil tank.
7 Check all cables and connections.
IMPORTANT!
Any maintenance other than that described in this manual
must be carried out by your servicing dealer (retailer).
9
4
5
6
8
7
1
2
3
0,5 mm
4
3
8
1
2
6
7
5
5
3
4
7
1
2
6