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» Slightly tighten the manual clamping nut [7] by turning it
clockwise.
» Tension the chain. To do so, rotate the ribbed wheel [18] up‑
wards (in the direction of the
tensioned so that it can only be lifted off the central section of
the guide bar by approximately 3 mm (see figure). To loosen
the chain, rotate the ribbed wheel downwards (in the direc‑
-
tion of the
arrow).
» Tighten the manual clamping nut [7] firmly by hand!
ATTENTION!
The tension of the chain has a major im-
pact on the life of the cutting mechanism. Check it
often. When warmed up to operating temperature, the
chain will stretch and must be re-tensioned.
A new chain needs tensioning more often until it stretches out.
ATTENTION!
The chain needs tensioning more often
during its run-in period. If the chain is shaking or
jumping out of the groove, tension it immediately!
To tension the chain, loosen the manual clamping nut [7] slightly.
Then, rotate the ribbed wheel [18] upwards (in the direction of
+
the
arrow). Tension the chain so that it can only be lifted off
the central section of the guide bar by approximately 3 mm. Re‑
tighten the manual clamping nut [7].
ATTENTION!
Always use a properly sharpened chain.
Never work with a dull or damaged chain – doing so
results in excessive physical exertion, high vibratory load,
unsatisfactory cutting results, and a high level of wear.
To sharpen the chain manually, use the complete sharpening set
Narex SET SK 4 (ord. no. 65406058).
12.3 Inserting the Accumulators
Place each of the pair of accumulators [B1] all the way into their
respective accumulator shafts [13] on both sides of the machine.
Pull on the accumulators (each one separately) to make sure they
are firmly in place.
ATTENTION!
Always use accumulators of the same
type!
Never combine two different types of accumulator to operate
a machine that is powered by two accumulators.
12.4 Removing the Accumulators
To remove the accumulators [B1] (each one separately) from the
machine, press the accumulator clamp [B2] and pull the accumu‑
lator out of the shaft.
13 Commissioning
13.1 Turning On and Off
To turn on the chainsaw, first press the main switch [12a] on the
control panel [12]. This puts the saw on standby. The main switch
indicator [12b] will light up along with a corresponding number of
LEDs on the accumulator status indicator [12c]. Using the thumb
of the right hand, push the switch lock button [9b] forward, then
press the switch button [9a]. Then let go of the switch lock but‑
ton [9b].
Letting go of the switch button [9a] stops the saw. As long as the
main switch indicator [12a] is lit, the saw can be reactivated.
NOTE:
The chainsaw features an automatic switch‑off function.
To prevent accidental starting of the machine, the main switch
will turn off automatically if the switch button is not pressed
down for a certain period of time (approx. 20 s).
13.2 Checking the Chain Brake
The front hand guard / chain brake trigger [4] must be in the back
position, i.e. unbraked.
ATTENTION!
Hold the saw firmly in both hands
before turning it on. Grip the rear handle with the
right hand [10] and grip the front handle with the left
hand [2].
Press the switch button [9a] and allow the machine to run up to
+
arrow). The chain should be
full speed. Then use the back of the left hand to push against the
front hand guard [4] until it shifts forward and the chain brake
activates. The machine must stop immediately! If the front hand
guard [4] is in the forward position (chain brake initiated), it
should be impossible to start the chainsaw.
Push the front hand guard [4] back to release the chain brake. The
chainsaw can now be restarted.
ATTENTION!
If during this test it is not possible to
push the front hand guard forwards or back, or the
chainsaw can be started when the hand guard is in the
forward position, do not under any circumstances use the
chainsaw.
Take the machine to an authorised service centre or a professional
workshop for repair.
14 Instructions for professional work
with the electric chainsawu
14.1 Tree felling
If two or more persons cut down the tree(s) at the same time,
the distance between the persons should be at least twice the
height of the cut tree. During tree felling other persons may not
be endangered, el. distributing lines affected and material/prop‑
erty damaged. Contact of the falling thee with el. distribution
line must be notified immediately to the relevant distribution
company.
When cutting on a slope, the chainsaw operator shall stay above
the cut tree, because the fallen tree will most probably slide or roll
down the slope.
a) Escape route
B
C
B
Prior to start cutting, the escape route should be planned and
cleared, if necessary. The escape route should lead obliquely from
the expected falling tree track, as can be seen in the Figure.
Prior to start cutting, it is necessary to consider the natural tree
leaning, position of larger branches and wind direction so that the
direction of tree fall may be established. Impurities, stones, free
bark, bolts and wires have to be removed from the tree at first.
b) Creation of a notch
A
~50 mm
C
English
A
A – Direction of
tree fall
B – Risk zone
B
C – Escape zone
C
A – Direction of
tree fall
B – Felling cut
C – Notch (undercut)
D – Trunk residue
B
D
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