13
- Release screws S (Fig. 13) and remove the transmis-
sion cap.
- Remove the broken or worn belts and replace them
with new ones, remembering that the inner belt must
always be fitted first, so that the rear pulley equipment
will be fitted on the tilting arm on the machine (Fig. 13).
Next, the outer belt is fitted, ensuring that it is correctly
engaged in the pulleys, and using the service key also
used for changing the saw, slowly turn the axle while
pushing the transmission cap towards the tilting arm. It
is important to ensure that centering pivots T are gently
inserted into their positions.
NOTE: The operation of assembling the transmission
cap with the tilting arm must be carried out manually
without ever hitting or forcing any of the parts, as in
this circumstance the machine cannot be guaranteed
to work correctly.
11.3 CHANGING THE BRUSHES
The brushes must be replaced when they have a mini-
mum length of 5 mm. To replace them, remove plugs
U (Fig. 14) which protect them and replace them with
new original VIRUTEX spares, ensuring that they slide
smoothly through the guides.
We recommend running the machine without load for a
few minutes after changing the brushes. Whilst changing
the brushes take the opportunity to check the state of
the collector. If it shows any burn marks or unevenness
take it to a VIRUTEX technical service centre for repair.
11.4 MOTOR BRAKE
The machine is equipped with a mechanical, centrifugal
brake which ensures that the time between release of
the switch pushbutton and complete stopping of the
saw blade is less than ten seconds.
For your safety, and owing to the complexity of the
operation, we recommend that, if due to wear of the
brake linings the time to stop the saw blade is observed
to exceed the above mentioned value, the machine should
be taken to an Official VIRUTEX technical service centre
for changing of the brake linings.
11.5 REPLACING THE BATTERIES
FOR THE LASER GUIDE
Once the laser guide batteries are dead, replace them
with new ones in the following way: loosen the screws
R1 (Fig. 23), remove the battery compartment cover,
remove the dead batteries and replace them with new
ones. Proceed in reverse to reassemble, taking into ac-
count that the positive pole of the batteries should be
on the outer side of the compartment (Fig. 24).
Use LR44 type batteries only.
Do not use rechargeable batteries.
11.6 LUBRICATION AND CLEANING
The machine has been delivered fully lubricated from the
factory and should not require any special care during
its working life. It is sufficient to periodically clean and
grease the mechanical articulations with oil.
It is important to always carefully clean the machine
after each use using compressed air.
Keep the electrical cable in perfect condition.
12. NOISE AND VIBRATION LEVEL
The noise and vibration levels of this device have been
measured in accordance with European standard EN
61029-1 and EN 61029-2-11 (TM33W) and EN 61029-
2-9 (TS33W) and serve as a basis for comparison with
other machines with similar applications.
The indicated vibration level has been determined for
the device’s main applications and may be used as an
initial value for evaluating the risk presented by expo-
sure to vibrations. However, vibrations may reach levels
that are quite different from the declared value under
other application conditions, with other tools or with
insufficient maintenance of the electrical device or its
accessories, reaching a much higher value as a result
of the work cycle or the manner in which the electrical
device is used.
Therefore, it is necessary to establish safety measures
to protect the user from the effects of vibrations, such
as maintaining both the device and its tools in perfect
condition and organising the duration of work cycles
(such as operating times when the machine is subjected
to loads, and operating times when working with no-load,
in effect, not in use, as reducing the latter may have a
considerable effect upon the overall exposure value).
13. GUARANTEE
All of VIRUTEX machines are guaranteed for 12 months
from the date of supply, excluding any damage which
is a result of incorrect use or of natural wear and tear
of the machine. All repairs should be carried out by an
official VIRUTEX technical assistance service.
Due to continuous improvement and updating of its
products, VIRUTEX reserves the right to modify its
products without prior notice.
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