Nordcap MORETTI T75G Mode D'emploi page 56

52 item K-Z).
- Replace the fan.
- Carry out the steps in reverse order to reassemble.
NOTE:
make sure that the rotation direction is the same as
shown on the panel (fig. 52 item U).
T64G:
On T64G the fan is placed inside the electric components panel and
positioned so as to push air towards the engine compartment.
- Remove the rear panel by unfastening the fixing screws.
- To access the electrical components compartment, unscrew the 2 side
fastening screws and turn the side panel.
- Disconnect the fastons which connect the fan
- Unscrew the 2 screws and replace the fan
- Perform the above operations in reverse order to reassemble.
NOTE:
Make sure that the fan is positioned so as to push the
air towards the engine compartment.
5.12 REPLACE PRESSURE SWITCHES ( TT98G only)
The oven is equipped with two independent pressure switches, one
for the right side (Fig.50 item Q) and one for the left side of the oven
(fig G.50 item P). If the corresponding side is not ventilated, the
burners will be disabled.
NOTE:
Clean the two metal pipes to capture air pressure
everyday (fig.51 item P; see section 5.2 for the right procedure):
After carrying out the operations described in 5.1 above, proceed as
follows:
- Open the electrical panel from the side concerned, following the
procedure described in point 5.3.1.
- Disconnect the electrical connections and air pipe.
- Replace the pressure switch.
- To refit, carry out the above steps in reverse order, taking care to
connect the component correctly.
5.13 REPLACING THE BELT DRIVE PLUG
The belt shaft is dragged with a safety plug calibrated to break in the
event of abnormal drive strain.
There is a pin set in the gear motor compartment. It is a good idea always to
keep a pin set handy.
After carrying out the operations described in point 5.1 above, to
change the pin proceed as follows:
- Remove the belt coupling cover (fig.36 item U) by unfastening the
screws that lock it in place (fig.36 item X).
- Align the holes in the coupling and the belt shaft and remove the
broken pin.
- Insert the new pin (fig. 36 item S).
- Carry out the steps in reverse order to reassemble.
WARNING!
Only use original replacement pins, as they
are made of a special material designed to guarantee breakage in
the event of excessive stress.
If a different material is used, you may be hooked up by the
network.
5.14 IGNITOR OR SENSOR REPLACEMENT
NOTE:
The igniter and detector are flame filled and can be
deformed; ensure that they are in the correct position during the
burner head's periodic cleaning otherwise replace them.
NOTE:
The igniter and detector must be placed as indicated in
fig. 48 and repowered as shown in fig. 47;ensure the cable loop is
properly fastened.
After carrying out the operations described in 5.1 above, proceed as
follows:
T64G: Turn the 2 screws (fig. 57 item V) and open the burner side
panel, turning it (fig. 57 item P); remove the casing (fig. 57 item C and
D).
- Remove the corresponding covers (fig. 50 item D) and move the
insulation to one side
- Slide out the part (fig. 47: lighter item A, flame detector item R) after
removing the corresponding lock nut.
- To refit, carry out the above steps in reverse order, taking care to
restore the insulation and to connect the component correctly.
T75G: Remove the burner cover (fig. 20 item M).
- Remove the ignitor (Fig. 47: item A, detector item R) after removing
the corresponding locking nut.
- To refit, carry out the above steps in reverse order, taking care to
connect the component correctly.
- Refit the burner cover with utmost care (fig.20 item M) and ensure
there are no holes where unfiltered air can flow .
TT98G: Open the electrical panel from the side concerned, following
the procedure described in point 5.3.1.
- Remove the corresponding covers (fig.50 item D or M)
- Remove the ignitor (Fig. 47: item A, detector item R) after removing
the corresponding locking nut.
- Carry out the steps in reverse order to reassemble, ensure the part is
properly connected.
5.15 BURNER HEAD REPLACEMENT
NOTE:
The burner head must be cleaned at least once a year
to reach nominal power. Ensure that the igniter and detector are
properly positioned as shown in figure 48 otherwise replace them
as shown in section 5.14.
Dust may clog the burner head with time and the oven may fail to be
powered as required; in that case, perform the operation in section 5.1;
to replace or clean the burner head proceed as follows:
T64G: Turn the 2 screws (fig. 57 item V) and open the burner side
panel, turning it (fig. 57 item P); remove the casing (fig. 57 item C and
D).
- Remove the corresponding covers (fig. 50 item D) and remove the
two insulation containments below.
- Dismantle the burner head, change it or clean it with compressed air,
blowing the burner head mesh thoroughly in the direction indicated in
fig. 49 and making sure that all the dust comes out on the opposite
side.
- Make sure that the lighter and flame detector are at the correct
distances (fig. 48).
- Carry out the steps in reverse order to reassemble; use high
temperature lubricant paste to refit the 4 screws on the burner head
Take care to restore the insulation and to connect the component
correctly.
- After connection when the oven is on, perform a gas leak test with
particular attention to the areas of intervention. using a spray leak
detector, which does not cause corrosion. Never use a naked flame to
search for gas leaks.
- Switch off the appliance.
Refit the casing (fig. 57 item C and D); close the side panel of the
burner (fig. 57 item P) and tighten the 2 fastening screws (fig. 57 item
V).
T75G: Remove the burner cover (fig. 20 item M).
- Remove the burner head, replace or clean it with compressed air by
blowing the burner head network shown in fig. 49 and ensure all the
dust from the opposite side has been removed.
Ensure that the distances between the igniter and detector (fig. 48)
are correct.
- Carry out the steps in reverse order to reassemble and ensure that the
closure plate (fig. 47 item C) and other parts have no holes where
unfiltered air can flow, otherwise close them with high temperature
silicone.
After connection when the oven is on, perform a gas leak test with
particular attention to areas operated with a spray leak detector, which
does not cause corrosion. Never use an open flame to search for gas
leaks.
- Switch off the appliance.
- Reassemble the burner cover (fig. 20 item M) and ensure there are no
holes where unfiltered air can flow.
WARNING!
indicated in 4.3 so that it does not compromise the oven's
performance and safety
TT98G: Open the electrical panel from the side concerned,
following the procedure described in section 5.3.1.
- Remove the protective guard (fig.20 item M)
- Remove the corresponding covers (fig.50 item D or M) and remove
the two insulation containments below.
- Remove the burner head, replace or clean it with compressed air by
blowing the burner head network shown in fig. 49 and ensure all the
dust from the opposite side has been removed.
Ensure that the distances between the igniter and detector (fig. 48)
are correct.
UK/19
Clean the burner's air filter regularly as