Moretti Forni P110G C/A, Инструкция по эксплуатации, Страница: 11 / 42

UK/10
5 SPECIAL MAINTENANCE
5.1
PRELIMINARY SAFETY OPERATIONS
WARNING! All special maintenance operations must be carried out
by specialised technical personnel with a proper licence.
Before carrying out any maintenance operation, disconnect the gas
supply by turning off the main supply tap, and disconnect the power
supply by turning off the switches fitted on the outside of the oven
and/or the proofer.
All precautions are of importance to ensure that the oven remains in a
good state, and failure to observe them may result in serious damage
which will not be covered by the warranty.
WARNING! Periodically (at least once a year), and every time
operating malfunctions occur, the appliance must be checked by a
specialist technician who must check the general state of the
appliance, and in particular the state of the burner. In the presence of
any type of irregularity the burner must be replaced immediately.
When any maintenance operations are carried out on the gas circuit,
use LOCTITE 577 as a sealing agent
5.2
REPLACING PARTS OF THE BAKING CHAMBER
5.2.1
REPLACING THE LIGHT BULB
After carrying out the operations described in 5.1, to replace the light bulb
and/or the cover inside the baking chamber proceed as follows:
- Unscrew the cover (fig.23 item A) and replace the light bulb (fig.23
item B) and/or the cover.
- Screw the cover back in place.
5.2.2
REPLACING THE LIGHTER
After carrying out the operations described in 5.1 above, to replace the
spark plug, proceed as follows:
- Raise the front protection (Fig.20 item A).
- Remove the lower cover.
- Remove the two fixing screws from the spark plug.
- Remove the right side panel by unscrewing the four fixing screws.
- Disconnect the wires from the lighter to the ignition card (item 23 plate
A).
- Disconnect the spark plug faston connectors.
- Replace the lighter spark plug (item 16 plate A).
- Perform the above operations in reverse order to reassemble.
5.2.3 REPLACING THE FLAME DETECTOR
After carrying out the operations described in 5.1 above, to replace the
flame detector, proceed as follows:
- Raise the front protection (Fig.20 item A).
- Remove the screws and the cover below.
- Remove the two flame detector fixing screws.
- Remove the right side panel by unscrewing the four fixing screws.
- Disconnect the wires from the flame detector to the ignition card (item
23 plate A).
- Replace the flame detector (item 17 plate A).
- Perform the above operations in reverse order to reassemble.
5.2.4 REPLACING THE DIGITAL PYROMETER
After carrying out the operations described in 5.1 above, to replace the
digital baking control pyrometer, proceed as follows:
- Remove the two pyrometer fixing screws.
- Remove the pyrometer connectors;
- Replace the pyrometer (item 29 plate A).
- Perform the above operations in reverse order to reassemble, making
sure that the polarity of the connectors is correct.
5.2.5 REPLACING THE THERMOCOUPLE
After carrying out the operations described in 5.1 above, to replace the
thermocouple proceed as follows:
- Remove the right hand side panel by unfastening the four fixing screws.
- Unfasten the thermocouple fixing nut.
- Disconnect the two power cables to the thermocouple.
- Replace the thermocouple (item 32 plate A).
- Perform the above operations in reverse order to reassemble, making
sure that the polarity of the connectors is correct.
5.2.6
REPLACING THE IGNITION CARD
After carrying out the operations described in 5.1 above, to replace the
ignition card, proceed as follows:
- Remove the right hand side panels by unfastening the four fixing
screws.
- Disconnect the wires to the ignition card.
- Replace the ignition card (item 23 plate A).
- Perform the above operations in reverse order to reassemble.
5.2.7 REPLACING THE TRANSFORMER
After carrying out the operations described in 5.1 above, to replace the
transformer proceed as follows:
- Remove the right side panel by unfastening the four fixing screws;
-
Disconnect transformer electrical connections .
- Replace the transformer (item 18 plate A).
- Perform the above operations in reverse order to reassemble.
5.2.8.1 REPLACING THE TEMPERED GLASS (P110G)
After carrying out the operations described in 5.1 above, to replace the
tempered glass proceed as follows:
- Remove the fixing screws of the front door frame.
- Remove the front frame.
- Remove the front gasket.
- Replace the tempered glass (item 3 plate A) by removing it from the
front.
- Perform the above operations in reverse order to reassemble.
5.2.8.2 REPLACING THE TEMPERED GLASS (P150G)
After carrying out the operations described in 5.1 above, to replace the
tempered glass proceed as follows:
- with the door open, remove the fastening screws from the inside part of
the door .
- Remove the inside part of the door.
- Remove the gasket.
- Replace the tempered glass (item 3 tab.A).
- Perform the above operations in reverse order to reassemble.
5.2.9.1 REPLACING THE HANDLE SPRING (LEFT)
After carrying out the operations described in 5.1 above, to replace the
handle spring proceed as follows:
- Remove the left side panel by unscrewing the four fixing screws.
- Disconnect the spring (item 14 plate A) by unscrewing the two fixing
nuts.
- Replace the spring, calibrating the tension with the two nuts.
- To remount the panel, perform these operations in reverse order.
5.2.9.2 REPLACING THE HANDLE SPRING (RIGHT, P150G)
After carrying out the operations described in 5.1 above, to replace the
handle spring proceed as follows:
- Unscrew the digital pyrometer screws (plate A);
-
Unscrew the digital pyrometer box screws (plate A);
- Unfasten the screws (plate A) holding the right side panel;
- Lift the rock wool;
- Unfasten the nut (plate A) holding the spring;
- Replace the spring (plate A);
- Perform the above operations in reverse order to reassemble.
5.2.10 REPLACING THE REFRACTORY SURFACES
After carrying out the operations described in 5.1, to replace the upper and
lower refractory surfaces proceed as follows:
- Open the front door (item 4 plate A).
- Raise the upper refractory surface (item 27 plate A) by prying it up with
a screwdriver.
- Raise the lower refractory surface (item 26 plate A) by prying it up with
a screwdriver.
- Replace the refractory surfaces.
- Perform these operations in reverse order to reassemble.
5.2.11 REPLACING THE BAKING CHAMBER SAFETY
THERMOSTAT
After carrying out the operations described in 5.1 above, to replace the
safety thermostat proceed as follows:
- Remove the two fixing screws.
- Disconnect the thermostat faston connectors.
- Remove the right side panel by unscrewing the four fixing screws.
-
Open the front door (item 4 plate A) and loosen the two screws on the
top front part of the chamber that fasten the thermostat sensor.
- Remove the thermostat sensor, located inside the insulating rock wool,
cutting out the rock wool around it (fig. 24).
- Replace the thermostat (item 19 plate A) with its sensor and the worn
piece of rock wool, if necessary.
- Perform the above operations in reverse order to reassemble.
5.3
REPLACING PARTS OF THE PROOFER
5.3.1
REPLACING THE LIGHT BULB
After carrying out the operations described in 5.1 above, to replace the
light bulb and/or cover, proceed as follows from the inside of the proofer:
- Unscrew the cover (item A - fig.25) and replace the bulb (item B -
fig.25) and/or the cover.