9. ELECTRICAL CONt:tECTtON
A .Ensure that vottage
da
ta
p
I
a
te s
p
ec
ifi
c
ations.-
Connect the machine to an efficient earthing system.
The size of the power cable wires must be based on
operating current and length of the power line to prevent
excessive voltage drops (ref.Table
4).
Combi250V-Tab.4
Cable length (m) v115
l= 14.4
Ao+12 13+20 21 32
Cable (mm,) 1.5 2.5 4
/r\
1
: \ Ensure that the electric line hasa suitabte
differential overtoad switch(RCD)(GFCI-USA).
Connect
the
sawplug
tothe
mains
.
- The saw is now ready
foroperation.
11.SAW START-IJP
connect
the
mains
power
cable
tothe
plug
on
the
electrical
panel.
Then
start
the
saw by means
of the
switch
on thehandle
(ref
.
P fig.6), comprising
two buttons:
green
forstart,red for
stop.
The switch
is fitted
with.low
voltage
protection:
in theevent
of accidentalpowerfailure,
press
thegreen
button
again
to
resume
operation.
In
the
event
of an emergency,press
thered
pushbutton
to
shut
down
the
machine
and
disconnect
the
plug
fromthe
power
mains.
TH
ERMAL
CUTOUT
PROTECTION:
A The electric motor
is protected against overload
by a thermal cutout; in the-
event of olerheating this
device shufs down the motor.
Cool the motor and restartby means the main switch
cn the handle (ref.P tig. 6).
12 . MACH'NE USE
Operation
The
correct
sidefortheoperator
isshowninfig.
3 ref
X.
Fill
thewater
tank
tothe
maximum
level
(approx.
42litres).
Connect
the
machine
tothe
power
mains
and
startas
described
in
paragraph
11.
Open
the valve
(ref.V
fig.7)
andensuresufficient
flow
of
cooling
water
tothe
diamond
blade.
qqtlils
Place the material to be cut on the cuttingsurface against the
fence at the required angle using a protractor.
Adjust the height of the cutting head by means of the
handwheel
(ref.
R fig. 6).
Ensure that the handwheels for angled cuts (ref. L fig. 7)
and tightened
fullydown.
Start
the saw as described
in paragraph
1
1.
Proceed with cutting moving the saw head by means of the
handle.
In the event of blade rotation
shutdown due to excessive
force, free the disk by moving it forwards and wait for the
saw to reach normal operating speed before resuming
operation.
AlsEq_sle
Loosen the handwheels (ref.Lfig. 7), set the cutting head at
the required angle, retighten
the handwheels, and proceed
as described
in the point
above.
Ensure
that
thd tank is kept
full
duringallwork phases
and in
the event of prolonged work intervals replace water
regularly and remove all processing residue.
Press the workpiece by hand onto the cutting surface.
Apply sufficient pressure on the handle to move the cutting
head without blocking the blade.
13 . Maintenance
13.1Premise
Routine maintenance operations can also be performed by
non-specialisedpersonnel provided that all safety standards
specified in the relative sections of this manual are observed
at
alltimes.
13.2
Machine
clean
The
machine
shouldbe cleanedexclusively
when
it is
siationary.
/\
l\ - All p.ower swifches must be sef fo "0" and plugs
must be disconnected from the mains.
r Never use compressed air; this could cause infiltration of
dust or residue in enclosed parts.
r Ensure that the cooling water nozzles are not obstructeo.
rAbove all the cooling water in the tank must be changed
every day.
r Recommended product for cleaning and lubricating
the
mechanical parts of the saw: WD40
13.3 Waste disposal
As regards disposal of processing waste observe all current
legislation
in the country of use.
13.4
Repairs
Repairs to the electrical installation must be performed
exclusively by specialised personnel. Use exclusively
original IMER spare parts; modifications to parts are strictly
prohibited.
The special design of the COMBI 250 V ensures
ihat no other maintenance cther than as specified
above is
required.
Ensure that the contacts of the power plug and plug-switch
assembly are efficient.lf oxidation is detected, clean
immediately
13,5 Cleaning the tank
Clean the tank in the event of build-up
of sedimenton the
base, or at least once a day. Failureto clean the tank could
impair
operationof the immersion pump used for circulation
of the diamond blade coolinq water. :
13.6
Blade
replacement
The
diamondbladeismade of material
thatmay be damaged
vrhensubject to high temperatures, and therefore must be
cooled during the work phases.
To replace the blade, proceed as follows:
l.Block axial movement of the cutting head by means of the
handwheels(ref.
O fig. 7).
2. Disassemble the front guard (ref.D fig-a).
3. Loosen the locknut by rotating clockwise (leftthread),
using
a 19 mm wrench.
4. Move the cutting head forward slightly
and inclineto
remove the blade from its seat.
5 - Ensure that there are no foreign objects between the
fixingflange
and diamondblade.During
disassembly,
avoid
use of tools that could dent or deform the flange.
6 . Insert the new blade proceeding in reverse order of the
operationdescribed at point 4. Take specialcare to ensure
correct direction of rotation of the diamond blade.
7. Tighten
the bladelocknut
fullydown by rotating
anticlockwise(left thread), to a torque of 40 Nm.
13.7
Cleaningthe cooling
water supplvcircuit
At regular intervals (or when the flow rate of the blade
cooling water is reduced) clean the cooling water supply
circuit.To do this, disassemble the deliverynozzle (ref. S lq.
4) locatedinsidethe blade guard
and cleanin water.
Periodically
clean the cooling water delivery line between the
pump and valve, (ref.V
fig. 7) and bladeguardusingwater.
corresponds to machine
