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be made outwards (towards the ends of the branches) so that the chainsaw does not fall along with the sawn-off parts and further
complicate the situation.
CHAINSAW MAINTENANCE
Before starting any activities described below, turn off the chainsaw. Make sure that the engine is cooled down. Unscrew the spark
plug to avoid accidental starting of the chainsaw.
Protective gloves are required when doing any work on the chain.
Spark plug replacement and maintenance (XXVI)
To replace the spark plug, remove the air filter cover.
Remove the rubber plug contact cover and unscrew the plug using the spanner provided.
Check the condition of the sparking plug electrodes. In case of noticing dirt, try to clean the sparking plug electrodes with a brass
wire brush. If the cleaning does not bring the expected results, replace the sparking plug with a new one. Check the condition of
the sparking plug at least once a month.
Maintaining the air filter (XXVII)
Maintain the air filter after each use of the chainsaw.
Dust and larger contaminants from the filter can be removed by tapping lightly the filter frame against a hard surface. The filter
mesh is cleaned by disassembling the filter in half and cleaning the mesh using extraction gasoline. Using a jet of compressed air,
dirt can be blown from the mesh to the outside.
Maintenance and cleaning of the oil installation (XXVIII)
Clean the oil gap and oil channel in the guide bar after each use of the chainsaw.
After removing the side panel and guide, check the condition of the oil gap and remove any dirt.
Remove the chain from the bar. Clean the guide bar of shavings and dirt. Clean the chain guide groove and oil feed hole. Lubricate
the gear wheel at the top of the guide with a few drops of oil through the lubrication hole.
The chain guide groove in the guide bar wears out during operation. Turn the guide periodically and check the shape of the groove.
If the groove shape as shown in figure (XXIX) is observed, replace the guide with a new one. The wear of the bar groove can be
checked by applying a ruler to the bar with the chain in place. If the ruler does not stick to the guide the condition of the groove is
good. Otherwise, the guide is suitable for replacement.
Other maintenance activities
After each use, also check the general condition of the device. Tighten loose screw connections. Check for fuel and oil leaks. Make
sure that the ventilation openings are clear. Check that all covers and housings are in good working order and free from cracks.
Any defects observed should be rectified before further work is undertaken.
Chain drive wheel
The condition of the chain drive wheel should be checked periodically. If you notice signs of wear, cracks or damage which may
affect the drive train, replace the drive wheel with a new one at an authorised repair shop.
Never put a worn chain on a new drive wheel or a new chain on a worn drive wheel.
Chain maintenance
The chain must always be sharpened and in good working order. Check the chain for wear before each use. Whether it has
damaged links or broken teeth. If any damage is noticed, further work with the damaged chain is prohibited. This can lead to
serious injuries.
The chain also requires regular sharpening. Sharpening is necessary if at least one of the following is observed: the sawdust
created during cutting resembles powder, additional force is needed for cutting, the cut is not straight, vibrations increase or fuel
consumption increases.
Sharpening is an activity that requires both special tools and the right experience. It is therefore required that sharpening is carried
out at specialist service centres.
O R I G I N A L
I N S T R U C T I O N S
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