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NI
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Service intervals
Carefully perform the maintenance tasks listed in the following table on a regular basis.
Regular servicing of your unit will extend the life of your equipment. Additionally, you will
achieve optimum cutting performance and prevent accidents.
Service intervals table
Machine part
Action
Before each use After 10 hrs of use
Complete ma-
chine
Check condition, replace damaged
parts as needed
Accessible
screws and nuts
Tighten
Chain wheel
Check, replace as needed
Saw chain
Check, apply oil, reground or replace
Blade bar
Check, rotate, clean, apply oil
Sharpening the cutting teeth
Have the saw chain sharpened by a
specialist, or proceed in accordance with
the operating manual for your saw chain
sharpening device. Sharpening a saw chain
requires some practice. Replacing the saw
chain is preferable in case of doubt.
Changing the saw chain
Never attach a new saw chain onto
worn teeth, or onto a damaged or
worn blade bar.
1. Switch the device off and remove the
mains plug.
2. Release the nut (
26) and remove the
chain wheel cover (
27).
3. Remove the old saw chain (
20).
The mounting and tensioning of the new
saw chain is described in the “Assembly”
chapter.
Servicing the blade bar
The blade bar has to be reversed every
8-10 operational hours in order to ensure
even wear (see the “Servicing and cleaning
- rotating the blade bar” chapter”).
1. Switch the device off and remove the
mains plug.
2. Remove the chain wheel cover (
27),
the saw chain (
20) and the blade
bar (
28).
3. Check the blade bar (
28) for wear.
Remove burrs and straighten the guide
surfaces with a lat ile.
4. Clean the oil passage to ensure fault-
free, automatic oiling of the saw chain
during operation.
5. Mount the blade bar, saw chain and
chain wheel cover and retighten the
saw chain (see the “Assembly” chapter).
When in an optimal condition, the
oil passages will automatically spray
the saw chain with a little oil a few
seconds after starting the saw.
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