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AUTOMATIC SAFETY & CONTROL DEVICES OF OVEN
Replacement of spare parts must be performed exclusively by qualified
and AUTHORIZED personnel. Turn the main switch OFF and unplug the
convection oven before carrying out any spare parts replacement.
REPLACEMENT OF MOTORS:
It is necessary to remove the back by
removing the 4 fastening screws “A” and the 4 screws “B” that support them
(fig.8).
OUTER COVERING:
Remove the 4 rear fastening screws “C” (fig.9).
BULB, HEATING ELEMENT AND MOTOR FAN:
I
t is
necessary to access
the inside of the oven, first
removing pans, racks and related supports, and
then the conveyor.
30W MOTOR:
Remove the fan by following the procedure outlined above,
disconnect the motor from the electrical system, loosen the 4 screws and
replace the motor. Before re-installing the fan, check that there is no friction
between the motor shaft and the ring nut located inside the oven. If there is,
loosen the fixing screws of the ring nut and re-tighten them after eliminating
the friction and having centered the ring nut on the motor shaft.
HEATING ELEMENTS:
Disconnect the heating element
connections outside
the oven chamber.
Loosen the heating elements from inside the
oven
chamber and replace them.
ELECTRO-MECHANICAL CONTROLS:
All the electric
components are
visible. To replace them it is
necessary to disconnect the attachments,
remove
the knobs, unscrew the fastening screws
or nuts and replace them.
Attention:
For theadjustable thermostat, safety thermostat and
thermometer, unscrew the guard and the supports
and remove the bulbs.
Once they have
been replaced use high-temperature resistant
silicone to
seal the holes. After replacement, reseal
the holes for the passage of the
capillaries
with high temperature silicone.
CHAMBER FACE GASKET:
It is simply pressed in.
Pull to remove it. NB:
Before removing it, note
its position carefully so as to place the new one
in the
same position.
REPLACEMENT OF CHAMBER LIGHT AND GLASS GASKET:
Check and
replace the glass gasket and
any lights in the oven chamber (fig.10).
PROTECTION OF THE AUXILIARY ELECTRICAL CIRCUIT
It is checked by the fuses positioned on a terminal block at the line entry.
PROTECTION OF THE CHAMBER FAN
A remote switch stops the fan motor in the event of a malfunction or overload.
It is located behind the oven and must be reset manually. When it cuts in, it
stops the motor and shuts off the heating elements.
OVEN CHAMBER SAFETY THERMOSTAT
The safety thermostat disconnects the heating elements if the temperature in
the oven chamber is too high (644°F). It must be reset manually. If it activates,
technical service must be notified. All components are protected by the
following type of fuse:
CLASS CC,G 600V 20A.
REPLACEMENT OF SPARE PARTS
Figure 7
Figure 8
Figure 9
Figure 10
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