Correct Handling Of The Chain Saw (See Figure H); Switching On And Off (See Figure E1); General Cutting Behaviour (See Figure F) - Bosch Gke 18V-40 Oorspronkelijke Gebruiksaanwijzing
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30 | English
– If the lubrication system is still not working properly, con-
tact a Bosch Customer Service centre.
Note: The oil filter is integrated in the oil reservoir. Contact
Bosch Customer Service for cleaning or troubleshooting.
Note: Oil becomes denser at lower temperatures which de-
creases the flow rate of oil.
Operation
Always read the operating and safety information be-
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fore use.
Always wear suitable clothing and personal protective
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equipment.
Carry out all required maintenance activities before
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use.
Always check the tool and saw chain condition, the oil
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level and correct assembly before use. Only use the
chain saw if it is in perfect condition.
Always make sure that the environment is dry and
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free from obstacles and persons not involved.
Always keep proper footing and operate the chain saw
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only when standing on fixed, secure and level surface.
Never use the chain saw on a ladder or above shoulder
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height.
Never over-reach or work with arms fully extended.
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Always hold the chain saw firmly with both hands.
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Do not leave the chain saw on the ground. Risk of
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stumbling!
Do not smoke and do not bring fire or flames into the
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work area. Chain saw dust can be highly flammable.
Do not activate the On/Off switch after the machine
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has switched off automatically. Otherwise, the bat-
tery may be damaged.
Note: The chain saw is not supplied filled with oil. Only use
the chainsaw after you have filled the oil reservoir with chain
oil.
Using the chain saw with a misaligned or improperly
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tensioned chain may result in chain breakage, kick-
back, and/or injury.
New saw chains can considerably elongate when used
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for the first time.
Check the chain tension regularly during operation.
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For the correct mounting procedure, see (see "Mounting
the chain bar and tensioning the saw chain (see figures
B1 – B4)", page 29).
Correct handling of the chain saw (see figure H)
Always apply the correct handling described in this section:
– Wear suitable, non-slip chain saw gloves for maximum
grip and protection.
– Always hold the saw firmly with both hands when the saw
is in operation.
– Place your right hand on the rear handle and your left
hand on the front handle, with your thumbs and fingers
encircling the handles of the chain saw. (see figure E2)
F 016 L94 910 | (13.12.2024)
– Keep your weight balanced and place both feet on firm
ground.
– Keep the left elbow in a "stretched", stiff position to with-
stand any kickback forces.
– Never over-reach or work with arms fully extended.
– Maintain a firm grip and stiff left arm to keep control of
the chain saw if a kickback occurs.
– Hold the chain saw on the right side of your body.
– Ensure that no part of your body crosses the cutting line.
Kickback can throw the chain saw back toward your body.
(see figure H) By kickback, the chain saw can be thrown
back onto your body. (see figure H)
Switching On and Off (see figure E1)
Wear suitable, non-slip chain saw gloves for maximum
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grip and protection.
Before switching on:
– Remove the chain guard (16).
– Reinsert the battery.
– Hold the chain saw securely with both handles and keep
your body out of the reach of the saw chain.
(see figure H).
Switching on:
– Pull the activation lever for the kickback brake (5) from
position 2 to position 1 towards the front handle (4).
– Press the lock-off button for the On/Off switch (19), then
press and hold the On/Off switch (2)
– Release the lock-off button as soon as the chain saw is
running.
– The saw chain must be at full speed before working on
wood.
Note: The chain saw cannot be started if the activation lever
for the kickback brake (5) has not been correctly deactiv-
ated before use.
Switching off:
– Release the On/Off switch (2). The lock-off button re-
turns to the safety/lock state.
– After use, slide the lever for activating the kickback brake
(5) forwards from position 1 to position 2, away from the
front handle (4).
General cutting behaviour (see figure F)
– First-time users should practice cutting logs on a saw
horse.
– With the saw switched off, adopt the correct stance in
front of the timber.
– Start the chain saw and ensure that the saw chain is run-
ning at full speed before it comes into contact with the
wood.
– Start cutting by pressing the metal spiked bumper (9)
against the wood to stabilise the cut.
– When cutting thicker logs or tree trunks, use the metal
spiked bumper as a lever by gradually resetting the metal
spiked bumper to a lower point. To do so, pull the chain
saw slightly backwards until the metal spiked bumper is
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