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THE
FOLLOWING
MAINTENANCE" ARE STRICTLY RESERVED TO SPECIALIST TECHNICIANS
WITH
THE
MANUFACTURER.
5
EXTRAORDINARY MAINTENANCE
5.1
PRELIMINARY CONTROL OPERATIONS
WARNING!
Before performing any maintenance operation
stop the appliance
as described in the procedure in point 3.7 and cut the power supply,
then disconnect the power supply by disconnecting the power cable
outside the oven.
Stop the gas supply by closing the main tap.
Operations must only be carried out after the oven has been
allowed to cool down.
Illuminate the working area during maintenance and for use at
night or in case of poor visibility.
All maintenance and repair operations must be carried out by
qualified, licensed and specialised technicians using suitable
accident prevention equipment approved by the manufacturer.
Only specialised technicians informed on the potential risks and
equipped with suitable safety devices are authorised to open the
oven door lock (fig.16 item H).
All precautions are important 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 and exposure to
risks.
WARNING!
A specialized technician must periodically
check the condition of the equipment at least once a year, and
whenever there is a failure; check the safety thermostat; access all
side and rear compartments and carefully clean out any dust or
flour deposits inside, using a vacuum cleaner.
Use LOCTITE 577 as a sealant on the gas circuit for maintenance
procedures.
5.2
GENERAL CLEANING
WARNING!
Wear protection devices for all operations to
avoid the risk of touching any sharp edges ( hot elements fins , etc
...) when you remove parts from the chamber;
After carrying out the operations described in point 5.1 above, clean the
appliance as follows:
Every day, at the end of operations and after leaving the appliance to
cool down, remove from all parts of the oven, any residues that might
have collected during cooking, using a damp sponge or cloth and a little
soapy water, if necessary; rinse and dry the areas, being sure to wipe
parts with satin finish in the direction of the finish.
NOTE:
At the end of cleaning, the internal blowers need to be
fitted in their original positions. If the air pipes are incorrectly
fitted, the cooking characteristics will be altered.
NOTE:
TT98G only : When refitting the bellows, always
respect the order of parts as shown on the labels (fig 36 item M).
WARNING!
Carefully clean off any fat or grease that may
have dripped during cooking on a regular basis, as this is a
potential fire hazard.
NOTE:
It is advisable to clean the accessible end of the
thermocouples on a regular basis to keep them in good working
order over time. NOTE: TT98G only : Clean the two metal pipes
to capture air pressure everyday (fig.51 item P):
-
Remove the lower doors (fig.50 item A and H)
-
Remove the silicone tubing
-
Remove the screws (fig.17 item N).
-
Remove the two metal pipes to capture air pressure (fig.51 item
P) and clean them thoroughly especially inside
-
Carry out the steps in reverse order to reassemble the fan and
ensure that the silicone tubing have no sharp curves
IMPORTANT
INSTRUCTIONS,
RELEVANT
LICENSE
WHICH
AND
ARE
which obstruct air flow
WARNING!
steam cleaners. Do not allow water or any cleansers used to come
into contact with electrical parts.
The use of toxic or harmful detergents is prohibited.
NOTE:
Regularly clean the rear vents (fig. 10 item A) for air
intake. A lack of cleanliness can cause parts to overheat.
NOTE:
Clean the belt with a stiff nylon brush.
NOTE:
Do not clean the tempered glass in doors while it is
still hot.
Do not use solvents, or cleaning products with aggressive
substances (highly chlorinated, corrosive, acidic, abrasive, etc...)
or tools that may damage the surfaces; before restarting ensure
no products used for cleaning have been left in the oven .
5.2.1
REMOVING COMPONENTS
WARNING!
such as belt removal, need to be carried out by at least two people.
After carrying out the operations described in 5.1 above, to access all
parts proceed as follows:
- Remove the lock (fig.16 item H), open the hook (fig.16 item R) and
open the front door (fig.16 item S).
- Remove the upper blowers (TT98G only: remove the central ones
first).
- Lift the two adjustable side walls (fig.16 item I). with the knobs
(fig.16 item L).
- Remove any optional product rest (fig.14 item D).
- Remove the right and left flour collectors (fig.14 item T).
- Remove the belt coupling cover (fig.36 item U) by unfastening the
screws that lock it in place (fig.36 item X); For T64G, also release the
two brackets holding the belt (fig 55 item F).
- Lift the conveyor belt from the motor side by a few centimetres and
remove the belt connector (fig.36 item Z).
- Pull out the conveyor belt from the motor side (fig.36)).
- Remove the lower blowers (TT98G only: remove the central ones
first).
- Carry out any operations required.
5.2.2
FITTING COMPONENTS
WARNING!
such as belt fitting, need to be carried out by at least two people.
NOTE:
TT98G only : When refitting the bellows, always
respect the order of parts as shown on the labels (fig 36 item M)
and first refit the side and central blowers, taking great care to
insert the thermocouple support tubes into the blower; always
make sure that the blowers arrive all the way on the upright wall
of the oven.
If anything prevents the panel from sliding over the blower,
remove it with very fine sand paper (grain 600)
After carrying out the operations described in 5.1 above, proceed as
follows to fit the components:
- Insert the bottom blowers.
- Push the conveyor belt from the motor side (fig.36) and place it in its
housing making sure that the conveyor belt shaft and the motor are
aligned.
- Ensure that the two metal joints are at right angles to each other,
possibly rotating the shaft conveyor belt until it is angled to insert the
central joint (fig.36 item Z); lift the conveyor belt from the motor side
by several centimeters and push the central joint conveyor belt.
UK/15
CONCERN
"SPECIAL
APPROVED
BY
Never clean the appliance with water jets or
Some of the operations listed here below,
Some of the operations listed here below,
THE
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