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15
MAINTENANCE
WARNING!
During maintenance and cleaning ensure
the machine is switched off and disconnected from the
mains power supply.
To ensure long and reliable service, carry out the
following maintenance regularly:
Regularly check for obvious defects such as loose,
dislodged or damaged chain and guide bar, loose
fixings and worn or damaged components.
Check that covers and guards are undamaged and
correctly fitted. Carry out necessary maintenance or
repairs before using the chain saw.
If the chain saw should happen to fail despite the care
taken in manufacturing and testing, repair should be
carried out by an authorized customer service agent.
NOTE: Before returning, ensure all oil in the oil tank has
been emptied.
GENERAL MAINTENANCE
Avoid using solvents when cleaning plastic parts. Most
plastics are susceptible to damage from various types
of commercial solvents and may be damaged by their
use. Use clean cloths to remove dirt, dust, oil, grease,
etc.
Do not at any time let brake fluids, gasoline, petroleum-
based products, penetrating oils, etc., come in contact
with plastic parts. Chemicals can damage, weaken, or
destroy plastic, which could result in serious personal
injury.
All chainsaw service, other than the items listed in
these maintenance instructions, should be performed
by competent chainsaw service personnel.
GUIDE BAR
Most guide bar problems can be avoided by keeping
the product well maintained. Incorrect filing and non-
uniform cutter and depth gauge settings cause most
guide bar problems, primarily resulting in uneven bar
wear. As the bar wears unevenly, the rails widen, which
may cause chain clatter and difficulty in making
straight cuts. Insufficient guide bar lubrication and
operating the product with a chain this is too tight will
contribute to rapid bar wear. To help minimise bar
wear, the guide bar maintenance is recommended.
When the guide bar is dismounted, remove any
sawdust from the “GROOVE“ in the guide bar rail.
Disassemble the saw chain and guide bar in reversed
order of assembly.
The circular groove of the guide bar will wear
particularly on the lower edge with time. When
replacing the chain turn the chain bar 180° to allow
even wear, thus extending guide bar life.
Rotate the guide bar occasionally to prevent uneven
wear. The guide bar ‘rail’ should always have a square
edge.
To check the guide bar “RAIL“ for wear: Hold a ruler
(straight edge) against the side of the guide bar and
“CUTTER SIDE PLATES“.
If there is a gap between the ruler and guide bar the
guide bar “RAIL“ is normal. If there is no gap (ruler
flush against the side of the guide bar) the guide bar
“RAIL“ is worn and needs to be replaced.
(See Fig.10 & 11)
Assemble the guide bar and saw chain as described
under “Assembling the guide bar and chain”.
SHARPENING THE CHAIN
WARNING! Only sharpen the saw chain yourself if you
are trained and have experience! Use proper tools to
sharpen the saw chain!
It is highly recommended that, once the chain loses it’s
ability to cut cleanly and safely, it is replaced. It is
possible, however, to sharpen the existing chain if
done carefully.
Have your saw chain sharpened professionally at an
authorised service centre or sharpen the chain yourself
using a proper sharpening kit. Follow the sharpening
instructions supplied with a sharpening kit.
To sharpen the chain proceed as follows:
Tighten the chain tension enough that the chain does
not wobble. Do all of your filing at the midpoint of the
bar. Wear gloves for protection.
Use a round file, whose diameter is 1.1 times the
cutting tooth depth. Make sure 20% of the file diameter
is above the cutter’s top plate.
A file guide is available from most reputable tool
merchants and is the easiest way to hold the file at the
correct position. (Fig.12)
File at an angle perpendicular to the bar, and at an
angle of 25° to the direction of travel. (Fig.13)
File each tooth from the inside towards outside only.
File one side of the chain first than turn the product
around and repeat the process.
Sharpen each tooth equally by using the same number
of strokes.
Keep all cutter lengths equal.
Check the safety depth gauge height every 5
sharpenings.
If the depth gauges are also trimmed it is essential that
the original profile be restored.
Use a depth gauge measuring instrument to check the
height of the depth gauge.
Depth gauge measuring jigs are available from most
reputable tool merchants.
NOTE: Dull or improperly sharpened chain can cause
excessive motor speed during cutting which may result
in severe motor damage.
All manuals and user guides at all-guides.com
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