Superabrasive
User
Manual
Original
Language
Lavina®
30L
‐
S/
Lavina®
30L
‐
S
‐
HV
8/2014
10
FRAME BLOCKING (U-JOINT]
The
relation
between
the
working
head
and
the
trolley
is
the
frame
(U
‐
joint),
which
allows
rotation
about
two
perpendicular
axes
to
better
follow
the
profile
of
the
floor.
The
movement
along
the
one
axis
can
be
fixed
with
two
screws
(Fig.4.5)
and
that
block
the
lateral
movement
of
the
machine.
THE
CONTROL
BOARD
1.
Power
cable
plug
2.
Digital
RPM
indicator
Indicates
the
revolution
per
minute
of
the
grinding
plates
(not
the
revolution
per
minute
of
the
entire
unit).
3.
Polishing/Grinding
switch
In
“grinding”
position,
the
operator
has
the
possibility
to
control
the
rpm
from
300
until
maximum
700
rpm.
In
“Polishing”
position
from
300
‐
1100
rpm
maximum.
4.
Lamp
cable
gland
5.
Inverter
alarm
led
Lights
blue
when
the
inverter
goes
into
alarm
mode.
6.
Water
pump
switch
Lights
orange
when
the
water
pump
is
working.
7.
Power
led
lights
green
when
the
power
is
on
8.
Forward/Reverse
switch
choose
forward
for
clockwise
rotation
of
the
grinding
plates
or
reverse
for
anti
‐
clockwise
rotation
of
the
grinding
plates
9.
Potentiometer
changes
the
RPM
of
the
grinding
plates
from
300
‐
1100
rpm
10.
Reset
button
resets
the
alarm
of
the
inverter
11.
OFF
button
stops
the
motor
12.
ON
button
starts
the
motor
13.
Emergency
button
used
in
Emergency
situations
for
stopping
the
motor
STARTING
THE
MACHINE
First,
follow
the
directions
in
chapter
Safety
Devices
and
Safety
Instructions.
Next,
pull
the
emergency
stop
(13)
to
ensure
that
the
machine
is
in
working
condition.
Check
the
potentiometer
(9)
and
ensure
that
it
is
set
at
the
working
speed.
If
working
wet,
add
water
to
the
floor
surface.
If
working
dry,
omit
this
step,
and
instead,
switch
on
the
vacuum
unit.
Finally,
hold
the
machine
firmly
and
push
the
start
button
(12).
OPERATING
THE
MACHINE
Guide
the
machine
in
straight
lines
across
the
floor,
and
with
each
new
line
overlap
a
little
bit
of
the
previously
completed
surface.
Work
at
a
constant
speed
allowing
the
tools
time
to
work
at
a
speed
appropriate
for
the
tools’
grit
size.
Avoid
vibrations.
Do
not
stop
the
Lavina®
S
machine
in
one
spot
while
the
tools
are
still
working
because
they
will
leave
marks
on
the
floor
surface.
When
working
wet,
preliminary
chose
with
the
water
tap(Fig4.1b)
the
position
for
water
feed
and
periodically
start
the
pump
to
release
water
onto
the
floor
surface(Fig.4.6
Pos.6).
When
working
dry,
check
the
floor
surface
periodically
to
ensure
that
dust
is
not
accumulating
on
the
surface,
also
check
regularly
if
your
vacuum
works
properly.
STOPPING
THE
MACHINE
The
stopping
of
the
machine
must
be
done
gradually
until
the
motor
stops.
Do
not
stop
moving
the
machine
before
arresting
the
motor
as
the
tools
could
damage
the
surface.
To
stop
push
the
off
button
(11).
Use
the
Emergency
button
(13)
only
in
emergency
or
use
it
to
switch
the
power
totally
off.
Remember
not
to
hold
the
machine
in
one
spot
before
turning
off
the
motor.
ALARM
The
Alarm
light
(5)
will
light
incase
inverter
goes
in
alarm
mode.
The
most
common
failure
is
motor
in
overload.
To
reset
the
mode
push
reset
button
(10).
1
2
3
4
5
6
7
8
9
10
11
12
13
Fgure 4.6
Fgure 4.5