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4. MACHINE ASSEMBLY
IMPORTANT
with the bar and chain dismantled and the oil and
fuel tanks empty.
WARNING!
ing the assembly should be done on a flat
and stable surface, with enough space for
ma chi ne handling and its packaging, always
making use of suitable equipment.
Disposal of the packaging should be done
in ac cordance with the local regulations in
force.
WARNING!
gloves when handling the bar and chain.
Mount the bar and chain very carefully so as
not to impair the safety and efficiency of the
machine. If in doubt, contact your dealer.
Before fitting the bar, make sure the chain brake
is not engaged; this is done by pulling the front
hand guard right back towards the body of the
machine.
1. BAR AND CHAIN MOUNTING
– Unscrew the nuts and remove the clutch cover
to get to the drive sprocket and point where the
bar is to be fitted (Fig. 1).
– Remove the plastic spacer, (1); this spacer
must be used exclusively when transporting the
machine in its packaging and must not be used
at any other time (Fig. 1).
– Mount the bar (2) by inserting the stud bolts in
the groove and push it towards the back of the
machine body (Fig. 2).
– Mount the chain in the right direction around
the drive sprocket and along the bar rail (Fig.
3). If the tip of the bar has a nose sprocket,
make sure the drive links fit correctly in the
sprocket rims.
– In 3700 - 4000 Models: Check that the chain
tension adjuster pin (3) is fitted properly in the
hole on the bar; if it isn't, turn the chain tension
adjuster screw (4) using a screwdriver until the
pin is completely inserted (Fig. 4).
– Fit the guard back on without tightening the
nuts.
The machine is supplied
Unpacking and complet-
Always wear heavy-duty
– In 4500 Models: check that the chain tension
adjuster pin (3a) of the clutch cover is fitted
properly in the hole on the bar; if it isn't, turn
the chain tension ad ju ster screw (4a) using a
screwdriver until the pin is completely inserted
(Fig. 5).
– Turn the chain tension adjuster screw (4 or 4a)
to adjust the chain tension (Fig. 4 and 5).
– Raise the bar and tighten the guard nuts se cu-
rely using the wrench (Fig. 6).
2. CHECKS AFTER MOUNTING THE BAR
AND THE CHAIN
– Check the chain tension. The tension is correct
when the drive links do not slip out of the chain
guides if you hold the chain in the middle of the
bar (Fig. 7).
– Using a screwdriver, make the chain run along
the guides to check it moves smoothly without
resistance.
MACHINE ASSEMBLY
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