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Replacement Of Burner Injector - Whirlpool ADN 625 Instructions For Installation, Use And Maintenance Manual

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gas, marked with the relative diameter in hundredths of mm, are in
an envelope which is provided with the appliance. If injectors are
not available please contact the factory with model and serial num-
ber written on technical data sticker. After transformation or adap-
tation, carry out operating checks as described in paragraph 5.1.6
"Operation control".

5.1.11 Replacement of burner injector

To replace the injector (pos. 30 fig. 2), loose the fixing screws hold-
ing the control panel in place. Remove the panel. Change the air set-
ting by unscrewing the retaining screw, unscrew the injector from
the injector-holder using a 11 spanner and replace the injectors with
one able for the type of gas, see table 1, install in reverse order.
After fitting the new injectors, reset primary air distance "A" (fig. 2)
see table 1, and fasten the bushing with the appropriate screw.
After the replacement check the seal using a leack detector spray.
5.1.12 Replacement of burner pilot injector
To replace the pilot injector (pos. 37 fig. 2), loose the fixing screws
holding the control panel in place. Remove the panel. Unscrew the
plug (pos. 34 fig. 2) with the help of a screwdriver and replace the
injectors with one able for the type of gas, see table 1.
Screw the nut in again ensuring the seal is inserted too.
After the replacement check the seal using a leack detector spray.
5.2 Maintenance
Attention! Before doing any repair or maintenance
work, unplug the appliance.
The following maintenance program should be carried out at least
once a year by qualified personnel with license:
• Check that all the safety and adjustment devices are working
properly;
• Check that the burners are working properly with regard to:
- ignition
- combustion safety;
Check functioning of the appliance as described in paragraph 5.1.6
"Operation control".
Fig. 2
0805_GB_42 - GAS FRYERS
5 - SET-UP FOR OPERATION
32
38
37
34
36
35
5.3 Replacing parts
All parts must be replaced by authorized technicians
only!
To replace the following parts first remove all the control knobs and
control panel (after loosening the fixing screws), then extract the
ignition wire.
5.3.1 Gas valve
Loosen the fitting of the pipe (pos. 3,16,17 and 21 fig. 1) of the gas
that are used to connect the gas pipes and the thermocouple,
unscrew the O-ring pressing nut and the screw fixing the bulb inside
the tank, take off the thermostat capillary and bulb from their
housings. Install the new piece in reverse order paying attention to
the oil sealing O-rings (we recommend to replace them with new
ones). Once replaced, it is necessary to check the oil seal by filling
the tank and bringing the oil to working temperature and the gas
seal by using a leak detector spray.
5.3.2 Safety termostat
Unscrew the nut inside the tank that fixes the thermostat button
bulb, take the bulb off followed by the seal from the opposite side.
Disconnect the electrical connections and replace the piece refitting
it in the reverse order and paying attention to the oil seal.
5.3.3 Thermocouple
Unscrew the fitting (pos. 17 fig. 1) fixing the thermocouple on the
valve, unscrew the two screws on the pilot burner and replace the
thermocouple (pos. 38 fig. 2) install in reverse order. To make the
operation easier (as well as all those involving the pilot burner), the
screws can be removed (pos. 35 fig. 2) and the pilot burner brought
to a more comfortable position.
5.3.4 Plug
Unfix the cable (pos. 36 fig. 2) from the plug, unscrew the two
screws on the pilot burner and replace the plug (pos. 32 fig. 2)
install in reverse order. To make the operation easier (as well as all
those involving the pilot burner), the screws can be removed (pos.
35 fig. 2) and the pilot burner brought to a more comfortable posi-
tion.
30
29
31
26
8 · 12
04/2008

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