Superabrasive
User
Manual
Original
Language
Lavina®
20N
‐
X
6/2017
9
4.
OPERATION
PRELIMINARY
CONTROLS
Inspect
the
working
area
as
explained
in
the
safety
instructions.
For
wet
use,
fill
the
water
tank
with
the
electrical
cable
disconnected.
Connect
the
vacuum
extractor
and
ensure
that
the
vacuum
hose
is
clear
and
will
easily
follow
the
machine.
Plug
in
the
machine
and
make
sure
that
the
power
cord
is
free
to
follow
the
working
direction
of
the
Lavina®
X
machine.
WATER
FLOW
CONTROL
UNIT
The
operator
can
direct
water
to
be
sprayed
in
the
front
(Fig.4.1)
by
positioning
the
lever
in
the
horizontal
position;
the
water
will
spray
under
the
cover
of
the
machine
when
the
lever
is
in
the
vertical
position
(Fig.4.2).
The
flow
regulating
valve
located
on
the
tank
(Fig.4.3)
controls
the
water
flow
to
the
working
area
–
in
front
of
the
machine
or
under
the
main
head
cover
of
the
machine.
ADJUSTING
AND
MOUNTING
TOOLS
The
Holder
A41
in
LAVINA®
X
can
work
with
either
3
or
6
buffers,
which
will
alter
its
range
of
motion.
You
can
make
the
change
after
dismounting
the
holder
as
per
the
instructions
in
TROUBLESHOOTING.
In
the
Lavina
20
‐
X,
the
holder
is
initially
mounted
with
3
buffers.
Mount
the
tools
only
after
ensuring
that
there
is
enough
diamond
bond
material
left.
Be
sure
that
the
plates
are
always
clean
before
mounting.
WARNING:
Always
secure
the
“Quickchange”
pads
with
the
security
plate
(Fig.4.4),
and
lock
with
the
tool
holder
key
(Fig.4.5).
Diamond
tools
with
Velcro
are
attached
on
three
9inch
foam
plates.
The
foam
plates
are
mounted
on
the
key
lock
(butterfly).
Always
use
the
tool
holder
key
(Fig.5.3).
THE
CONTROL
BOARD
1.Power
cable
plug
2.Digital
Tachometer
Indicates
the
revolution
per
minute
of
the
grinding
plates
(not
the
revolution
per
minute
of
the
entire
unit).
3.Lamp
cable
gland
4.
Reset
button
resets
the
alarm
of
the
inverter
.
Button
lights
blue
when
the
inverter
goes
into
alarm
mode.
5.Water
pump
switch
Lights
orange
when
the
water
pump
is
working.
6.Power
led
lights
green
when
the
power
is
on
7.Forward/Reverse
switch
Select
forward
for
clockwise
rotation
of
the
grinding
plates
or
reverse
for
counterclockwise
rotation
of
the
grinding
plates
(Recommended
configuration).
The
preferred
operating
direction
should
be
when
the
switch
is
in
the
forward
position.
The
proper
direction
of
rotation
of
the
motor
(counterclockwise)
is
indicated
by
an
arrow
on
its
cover.
8.Potentiometer
controls
the
RPM
of
the
grinding
plates
on
a
range
of
300
‐
1100
rpm
9.
READY
ON/OFF
switch.
Switching
to
ON
puts
the
machine
in
standby
mode.
The
switch
lights
to
indicate
this.
Switching
to
OFF
takes
the
machine
out
of
standby.
The
light
extinguishes
to
indicate
this.
The
switch
returns
to
its
starting
position
after
being
released.
10.STOP
button
stops
the
motor
11.
RUN
button
starts
the
motor
12.Emergency
button
stops
the
motor
in
case
of
an
emergency
Figure 4.4
Figure 4.5
Figure 4.3
Figure 4.1
Figure 4.2
Figure 4.6
1
4
5
6
7
8
9
10
11
12
2
3