Replacing The Heating Elements - Moretti Forni T Serie Bedienungsanweisung

T64E and TT96E: Remove the rear panel (fig. 38 part T)
- TT96E only: remove the internal carter (fig. 38 part S), electrically
disconnect the fan, and remove the bracket with the fan by unscrewing the
3 fixing screws (fig. 38 part K-Z)
- Open the electrical panel components as described in point 5.3.1
- Disconnect the thermostat fast-ons.
- Remove the rearm button cover and unscrew the thermostat fixing nut
(fig.14 part P).
- Slide out the safety thermostat sensor.
- Replace the thermostat and position the sensor correctly, as checked
previously in the baking chamber.
- Carry out the steps in reverse order to reassemble.
- Close the electrical component panel following the steps in point 5.3.3.
5.5 REPLACING THE THERMOCOUPLES
Carry out the operations described in 5.1 above, to replace the
thermocouples proceed as follows:
- For the top thermocouple remove the left adjustable side wall (or right
on the TT98E) (fig.10 part I) by unscrewing the knobs (fig.10 part L).
- For the bottom thermocouple remove the conveyor belt following the
procedure described in point 5.2.1.
T75E: the oven has two thermocouples; one Top and one Bottom.
Remove the top or bottom left door (fig.18 part A-W) by unfastening the
fixing screws, to access the top or bottom thermocouple
- Unscrew the thermocouple fixing nut (fig.19 part E).
- Disconnect the two thermocouple supply cables.
- Replace the thermocouple.
- Carry out the above operations in reverse order to reassemble, making
sure that the connectors are fastened to the proper poles.
- To replace the conveyor belt follow the procedure described in point
5.2.2.
T64E - TT96E - TT98E: T64E has two thermocouples (Top, Bottom),
TT96E and TT98E have four thermocouples (Top, Bottom, Left, Right).
NOTE:
If for any reason it is necessary to move or remove a
thermocouple, to keep it undamaged, IT IS OBLIGATORY TO
HANDLE IT BY HOLDING ONLY THE METAL TUBE AND
NEVER THE CABLE.
- Open the electrical component panel following the procedure described
in point 5.3.1
- Remove the corresponding door (only TT96E fig. 36 part D-M and
TT98E fig.36 part A-B-H-I)
- Take out the corresponding blower, following the procedure described
in point 5.2.1.
- Unscrew the screws fastening the thermocouple using an Allen key
(fig.37 part V).
- To slide out the thermocouple cables on the right, (TT96E and TT98E
only) it is necessary to remove the back panels (fig.38 part T-S)
- Disconnect the cable from the electrical board and slide out the
thermocouple.
- Replace the thermocouple taking care to connect the connectors in
the right poles.
NOTE:
Make sure that the end of each thermocouple is always
positioned on the angled cut of the tube, as shown in fig 37 part W
- Refit the corresponding blower following the procedure described in
point 5.2.2.
- Carry out the steps in reverse order to reassemble.
- Close the electrical panel following the procedure described in point
5.3.3.
- To replace the conveyor belt follow the procedure described in point
5.2.2.
5.6

REPLACING THE HEATING ELEMENTS

After carrying out the operations described in 5.1 above, to replace the
heating elements proceed as follows:
T75E-TT98E
- For the top heating elements remove the right and left adjustable side
walls (fig.10 part I) by unscrewing the knobs (fig.10 part L).
- For the bottom heating elements remove the conveyor belt following the
procedure described in point 5.2.1.
T75E
Remove the top or bottom doors (fig.18 part A-B-W-Z) by unfastening
the fixing screws, to access the relative heating elements.
- Disconnect the heating element power cables from both sides;
- Remove the insulation from both sides, taking care not to damage it.
- From the left hand side, using a pipe wrench, remove the nut (fig.19 part
F) from the heating element to be changed.
- From the right hand side, using a screwdriver, remove the screws (fig.20
part G) and remove the heating element support plate from this side.
- Carry out the above operations in reverse order to reassemble the new
heating elements, replace any damaged insulation, making sure it does not
reach the electrical contacts.
TT98E
Top or bottom left-hand heating elements TT98E
-Open the switch panel, following the procedure described in point 5.3.1.
- Remove the casing protecting the electrical parts (fig.36 part N).
-
Remove the top or bottom doors (fig.36 part H-I-L-M).
- Disconnect the wiring.
- Remove the casing protecting the heating element insulation (fig.37 part
Q-R).
- Move the insulation, trying not to damage it.
- Loosen the screws fastening the heating element plate.
- Replace the damaged heating element.
- Carry out the steps in reverse order to reassemble.
- Close the electrical panel following the procedure described in point
5.3.3.
Top or bottom right-hand heating elements (TT98E)
- Open the side panel by loosening the two fastening screws (fig.16 part
L)
- Remove the belt coupling cover (fig.16 part U) by unfastening the
screws that lock it in place (fig.16 part X).
- Lift the conveyor belt from the motor side by a few centimeters and
remove the belt connector (fig.16 part Z).
- Remove the bottom casing from the belt connector (fig.36 part F)
- Remove the belt motor protective casing (fig.36 part E)
- Remove the top or bottom doors (fig.36 part A-B-C-D)
- Disconnect the wiring
- Remove the protective casing from the heating element insulation
(fig.37 part O-P)
- Move the insulation, trying not to damage it.
- Loosen the screws fastening the heating element plate.
- Replace the damaged heating element.
- Carry out the steps in reverse order to reassemble.
- Close the side panel and tighten the 2 fastening screws (fig.16 part L)
NOTE:
Make sure that inside the TT98E oven the end of the
new heating elements are inside their seating, see the corresponding
position inside the baking chamber by removing the parts as
described in point 5.2.1; to reassemble, follow the procedure
described in point 5.2.2.
T64E - TT96E
-
Remove the rear panel (fig. 38 part T)
-
TT96E only: remove the internal carter (fig. 38 part S), electrically
disconnect the fan, and remove the bracket with the fan by
unscrewing the 3 fixing screws (fig. 38 part K-Z)
- Disconnect the motor and thermal sensor fast-ons
- Disconnect the resistor terminals using a second wrench on the
locknut as an anti-rotation in order to prevent forcing the terminal.
NOTE:
Forcing any of the terminals of the heating elements
during connection / disconnection of electrical cables, irretrievably
jeopardizes the entire heating elements!
- Remove panels covering the silicone
- Remove the back panel of the baking chamber, loosening the fastening
screws.
- Move to a worktop.
- Replace the damaged heating element.
- Carry out the steps in reverse order to reassemble.
5.7 REPLACING THE TFT DISPLAY
After completing the operations in point 5.1, to replace the TFT Display
or the control panel, proceed as follows:
- Dismantle the bracket (fig.35 part A).
- Fit the heat screen (fig.35 part B).
- Loosen the fastening screws on the control panel (fig.21 part H).
- Disconnect the connectors of the Display.
- Replace the control panel.
- Take out the 3 nuts (fig.21 part I) and replace the Display.
- Carry out the steps in reverse order, taking care to connect the
connectors correctly.
NOTE:
Carry out the "Default factory settings" process for the
control unit, as per point 5.19.
5.8 REPLACING THE CONTROL PANEL KEYPAD
The control panel keys are incorporated into the Display board.
To replace the Display board, follow the steps in point 5.6.
5.9 DISMANTLING AND REASSEMBLING THE BELT
After carrying out the operations described in 5.1 above, to dismantle and
reassemble the belt proceed as follows:
- Remove the conveyor belt from the baking chamber by carrying out the
operations indicated in point 5.2.1, then place it on a worktop equipped
with a long nosed clamp.
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