Stiga SP 375 Manuel D'utilisation page 129

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PREPARING TO WORK
WARNING!
cap firmly.
WARNING!
ces of fuel which may have dripped on the
machine or the ground and do not start the
engine until the petrol fumes have dissipated.
3. CHAIN LUBRICANT
IMPORTANT
saws or adhesive oil for chain saws. Do not use oil
containing impurities so as not to block the oil filter
and to prevent irreparable damage to the oil pump.
IMPORTANT
the chain is biodegradable. Use of a mineral oil or
engine oil causes serious damage to the environ­
ment.
It is essential that you use good quality oil to lu-
bricate the cutting parts effectively. Used or poor
quality oil does not guarantee good lubrication and
reduces the duration of the chain and bar.
It is always worth topping up the oil tank complete ly
(using a funnel) every time you refuel. Since the oil
tank capacity is enough to guarantee that the fuel
runs out first, you will avoid the risk of operating the
machine without lubricant.
4. CHECKING THE MACHINE
Before starting work please:
– fill the relevant tanks with fuel and oil;
– check that all the screws on the machine and the
bar are tightly fastened;
– check that the chain is sharp and there are no
signs of any damage;
– check that the air filter is clean;
– check that handgrips and protection devices
are clean and dry, correctly mounted and well
fastened to the machine;
– check that the handgrips are well fastened;
– check that the chain brake is working efficiently;
– check the chain tension;
– checking functional of the clutch: Before each
use, confirm that there is no chain movement
when the chain saw running at idling speed.
5. CHECKING THE CHAIN TENSION
WARNING!
with the engine off.
The tension is correct when the drive links do not
slip out of the chain guides if you hold the chain in
Always close the fuel tank
Immediately clean all tra­
Only use special oil for chain
The special oil for lubricating
Perform all operations
the middle of the bar (Fig. 5).
• Machines with standard chain tension
adjuster
– Loosen the cover nuts, using the supplied
wrench (Fig. 4).
– Turn the chain tension adjuster screw (4) to ad-
just the chain tension (Fig. 4).
– Raise the bar and tighten the guard nuts
securely using the wrench (Fig. 5).
• Machines with quick chain tension
adjuster
(SP 375Q, SP 405Q, C 38 T, C 41 T)
– Loosen the handle (11) (Fig. 4A).
– Turn the ring-nut (15) to obtain the desired chain
tension level (Fig. 5A).
– Raise the bar and tighten the handle (11)
securely (Fig. 5A).
6. CHECKING THE CHAIN BRAKE
This machine is equipped with a safety brake sy-
stem.
In the event of a kickback while working, following
an irregular contact of the tip of the bar, with a bru-
sque upward movement that causes the hand to
strike the front guard. In this case, the brake blocks
chain movement and must be released manually
in order to disengage it.
This brake can be operated manually by pushing
the front guard forward. To release the brake, pull
the front guard towards the handgrip until you hear
a click.
To check that the brake works efficiently, proceed
as follows:
– Make sure you are holding the machine firmly
with both hands when you start the engine
– Use the accelerator level to keep the chain
moving, push the brake lever forwards using
the back of you left hand; the chain must stop
immediately.
– When the chain has stopped, immediately re-
lease the accelerator lever.
– Release the brake.
WARNING!
the chain brake does not function correctly
and have it inspected by your dealer.
EN
Do not use the machine if
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