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Cut from the top! Do not touch the ground!
If the whole trunk length is supported uniformly, see the Figure, cut
from the top.
The first cut from below (1/3 of the diameter) to avoid splitting
If the trunk lies on the ground by its one end, see Figure, cut at first
1/3 of trunk diameter from the bottom side and then the remaining part
from the top as deep as the bottom cut.
The first cut from below (1/3 of the diameter) to avoid splitting
If the trunk lies above a field depression supported on its ends, see
Figure, cut at first 1/3 of trunk diameter from the bottom side and then
the remaining part from the top as deep as the bottom cut.
When cutting on the slope, always be steady
on your legs above the trunk!
When cutting on the slope, stay as shown in the Figure. To have a full
control over the chainsaw at the moment of full cross‑cut, reduce the
pressure in the final cut phase, still holding chainsaw handles firmly in
your hands. Attention, the chain may not touch the ground! When
the cut is complete, wait until the chain is stopped and only then take
out the chainsaw.
Attention!
Never move from one tree to another with the
switched on chainsaw.
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12 Maintenance and service
Attention!
Prior to start any work connected with main-
tenance and cleaning, always disconnect the power cable
plug from the power supply source.
» Check all parts of the chainsaw for wear, especially the saw chain,
guide bar and drive sprocket, before using the saw.
» Regularly rotate the guide bar so that the ratio of time spent cutting
using one side or the other is approximately the same. Doing so
reduces friction between the chain and the bar, which would other‑
wise put a drain on the saw's performance, overload the engine and
could even damage it.
» To achieve optimal cutting results, the saw chain requires regular
sharpening.
» A properly sharpened saw chain reduces the risk of kickback and
prevents severe wear.
» Do not work with a dull or damaged saw chain. Doing so would
place high stress on the body and cause poor cutting results, rapid
wearing of the chain and overheating of the engine.
» The saw chain must be sharpened if wood flour forms during cut‑
ting or if there are noticeable reductions in cutting speed.
» Sharpen, using a round file with 4 mm diameter or have the chain
sharpened by a professional.
» Make sure the chain is properly set. A chain that is too tight may slip
out during cutting and cause injuries. Immediately replace dam‑
aged chains. The minimum cutting tooth length is 4 mm.
» Always clean the saw of sawdust and oil after use. Pay particular
attention to the air holes in the casing [22]; clogging could result in
overheating of the engine.
» If the chain is very dirty or clogged with resin, it must be removed
and cleaned. Place the chain in a vessel with saw chain cleaner for
several hours. Then, rinse it with water and, if the chain is not going
to be used immediately afterwards, treat it with service spray or
standard anti‑corrosion spray.
» Always empty the oil tank if the saw is going to be in storage for an
extended period of time.
» Do not store the saw outdoors or in humid environments.
» Check the engine box and lead‑in cable for damage before use. If
you find any damage, bring the chainsaw for repair to a profession‑
al workshop or service centre.
» Check the oil level before every use of the saw. Insufficient oil leads
to chain, bar and engine damage.
Attention!
With respect to protection from el. shock and
preservation of the class of protection, all maintenance
and service operations requesting jig saw case removal
must be performed by the authorized service centre only!
The current list of authorized service centres can be found at our website
www.narex.cz.
13 Technical problems
» Engine is not started: Check the power supply source (socket).
Check the lead‑in cable for possible damage. If remedy is not
reached, handover the chainsaw to the specialized workshop or to
the manufacturer's service centre.
» Chain is not started: Check position of the hand guard [4]. The
hain is started at the released brake only.
» Heavy engine sparkling: Damaged engine or carbon brush.
Handover the chainsaw to the specialized workshop or to the man‑
ufacturer's service centre.
» Oil is not distributed: Check oil level. Clean holes in the bar for
smooth oil flow (see also corresponding instruction in the part
"Maintenance and cleaning"). If remedy is not reached, handover
the chainsaw to the specialized workshop or to the manufacturer's
service centre.
Attention!
The maintenance and repair works other than
those contained in this Operating Manual may be per-
formed by authorized staff or by the manufacturer's ser-
vice centre only.
Attention!
Damaged lead-in cable of the chainsaw may
be replaced only by the specialized workshop authorized
by the manufacturer or by the manufacturer's service cen-
tre, because special tools are necessary for this operation.
14 Accessories
The accessories recommended for use with this device are available
commercially in the shops with hand el. tools.
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