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Sharpening the chain
Filing the chain is an important part
of maintaining the saw, and is not difficult
if you use Husqvarna’s instructions
and equipment (2). It’s easiest if you file
the chain relatively frequently.
Fix the saw in place. Then lock the
chain by activating the chain brake (1).
Start with the cutting teeth. Place the
file gauge on the chain with the arrows
pointing towards the bar nose (3). Place
the file at right angles to the rollers. File
every second tooth with an even, pushing
stroke (4). Then turn the saw around
and file the rest of the cutting teeth (5).
Filing the depth gauges
About every third time you file the
cutting teeth, file the depth gauges between
them as well. Hold the file gauge steady
with one hand (6). Select “hard” or “soft”
depending on which type of wood you
normally saw. Hold the flat file in your
other hand and file the depth gauge
until the file contacts the file gauge (7).
Changing the chain and bar
After a number of sharpenings, when
the longest part of the cutting tooth is
less than 4 mm, the chain should be
replaced (8).
Remove the bar and put the new
chain in place. Adjust the chain tension
carefully. A loose chain can jump off
and if it’s too tight it will wear out the
bar. You should be able to lift the chain
approximately one cm from the track
at the middle of the bar, and it should
be easy to pull the chain around
by hand.
Cleaning
When it comes to other maintenance,
there are a few parts that you need to
clean now and then.
Remove the clutch cover and clean
the chain brake band. You should also
clean the bar occasionally. Remove the
cylinder cover and wash the air filter (9).
Clean the cooling fins and the air intake
if necessary. Check periodically that
the flywheel fins are clean, to ensure
good engine cooling (10).
Checks
There are other things that should be
checked periodically, to make sure they’re
working as they should. In particular the
Maintenance.
When you’ve finished work, it’s worth spending a little time on maintenance. To make sure
it’s functioning properly, is safe and is ready to go, next time you need it. Of course, maintenance
requirements depend on how much you use the saw.
chain brake, throttle control, chain catcher
and chain lubrication. Also, check that
the chain drive wheel is whole and not too
worn. And that screws, bolts and nuts are
tightened. Read more about service in
the saw’s user’s manual.