Preparing To Work - Stiga SB 44 Operator's Manual

MACHINE ASSEMBLY / PREPARING TO WORK
NOTE
left-hand thread and so must be unscrewed in a
clockwise direction and screwed up anticlockwise.
– Insert the wrench supplied (2) into the specific
hole in the angle transmission (3) and rotate the
blade (1) by hand until the wrench enters the in-
ner hole, blocking rotation.
– Remove the split pin (4) and unscrew the nut (5)
in a clockwise direction.
– Pull out the washer (6) and the outer ring-nut (7)
and remove the blade (1).
When mounting,
– Ensure that the grooves in the inner ring-nut (8)
match up perfectly with the angle transmission
(3).
– Fit the blade (1) and outer ring-nut (7).
– Refit the washer (6) and the nut (5), fully tighte-
ning it in an anticlockwise direction.
– Reposition the split pin (4) and refold the two
ends.
– Remove the wrench (2) to restore blade rotation.

5. PREPARING TO WORK

CHECKING THE MACHINE
Before starting work please:
– check that all the screws on the machine and the
cutting device are tightly fastened;
– check that the cutting device is undamaged and
that the 3-point metal blades (if fitted) are prop-
erly sharpened;
– check that the air filter is clean;
– check that the protection devices are well fas-
tened and working efficiently;
– check the handgrips are well fastened.
PREPARING THE FUEL
This machine is fitted with a two-stroke engine
which requires a mixture of petrol and lubricating
oil.
IMPORTANT
mage the motor and will cause for invalidation of
the warranty.
IMPORTANT
oils to maintain high performance and guarantee
the duration of the mechanical parts over time.
The fastening nut (5) has a
Using petrol alone will da-
Only use quality fuels and
• Cutting line head (Fig. 7)
NOTE
left-hand thread and so must be unscrewed in a
clockwise direction and screwed up anticlockwise.
– Insert the wrench supplied (2) into the specific
hole in the angle transmission (3) and rotate the
cutting line head (1) by hand until the wrench en-
ters the inner hole, blocking rotation.
– Remove the cutting line head (1) unscrewing it in
a clockwise direction.
When mounting,
– Ensure that the grooves in the inner ring-nut (4)
match up perfectly with the angle tranmission (3).
– Fit the cutting line head (1) screwing it up in an
anticlockwise direction.
– Remove the wrench (2) to restore shaft rotation.
• Petrol characteristics
Only use unleaded petrol with a fuel grade of at
least 90 N.O.
IMPORTANT
ate deposits in the container if preserved for more
than 2 months. Always use fresh petrol!
• Oil characteristics
Only use top quality synthetic oil specifically for
two-stroke engines.
Your dealer can provide you with oils which have
been specifically developed for this type of engine,
and which are capable of guaranteeing a high level
of protection.
The use of these oils makes it possible to prepare
a 2% mixture, consisting in 1 part oil to 50 parts
petrol.
• Preparation and preservation of the fuel
mixture
DANGER!
ture are highly inflammable!
EN
The cutting line head has a
Unleaded petrol tends to cre-
Petrol and the fuel mix-
7