Bosch HG 120B Series, Руководство пользователя и инструкции по установке

Страница: 34 / 40

en
Installation instructions
34
Replacing the oven's lower gas burner nozzle
1. Open the appliance door.
2. Undo the front screw on the appliance base plate.
‒
Raise the front of the tray, pull it and remove it.
3. Undo the screw on the burner and carefully pull the
burner forwards. You should now be able to access
the burner nozzle. Ensure that the connections for
the thermocouple and the spark plugs are not dam-
aged.
‒
Remove the nozzle on the burner input in the
rear area of the oven using the socket wrench 7.
4.
Select the appropriate nozzle from the table de-
pending on the new gas type. You can find addi-
tional information about this in the section entitled
"Technical data – Gas" → Page 35 .
‒
Insert and tighten the new nozzle.
‒
At this stage, it is important to test for leaks. You
can find additional information about this in the
section entitled "Leak and function test"
→ Page 34 .
5.
Insert the oven burner, making sure that the connec-
tions for the thermocouple and the spark plugs are
not damaged. Screw in the loosened screw.
6. At this stage, it is important to check that the burner
is burning correctly. You can find additional informa-
tion about this in the section entitled "Checking the
correct burner behaviour →
Page 35
".
7. Insert the bottom panel of the oven's housing and
screw it firmly in place.
Replacing the gas grill burner nozzle on the oven
1. Open the appliance door.
2.
Undo the screw that holds the grill burner fastening
plate and the grill burner together, then carefully pull
the burner out towards the front. You should now be
able to access the burner nozzle. Ensure that the
connections for the thermocouple and the spark
plugs are not damaged.
‒
Remove the nozzle for the gas grill burner in the
oven using the socket wrench 7.
3.
Select the appropriate nozzle from the table de-
pending on the new gas type. You can find addi-
tional information about this in the section entitled
"Technical data – Gas" → Page 35 .
‒
Insert and tighten the new nozzle.
‒
At this stage, it is important to test for leaks. You
can find additional information about this in the
section entitled "Leak and function test"
→ Page 34 .
4.
Reinsert the oven's grill burner, making sure that the
connections for the thermocouple and the spark
plugs are not damaged. Screw in the loosened
screw.
5.
Push in the seal on the burner until it is situated on
the rear housing.
6.
At this stage, it is important to check that the burner
is burning correctly. You can find additional informa-
tion about this in the section entitled "Checking the
correct burner behaviour → Page 35 ".
19.6 Leak test and function test
The leak test must be carried out by two people.
WARNING ‒ Risk of explosion!
Sparks, flames or open flames may cause explosions
during the leak and function test.
▶
Ensure that no sparks are produced.
▶
Do not use any fire or naked flames.
▶ Only check the leak tightness using a suitable foam.
Gas leak
¡
Close the gas connection locking device.
¡
Ventilate the relevant location sufficiently.
¡
Check the gas and nozzle connections once more.
¡
Repeat the leak test →
Page 34
.
Checking the gas connection
1. Open the gas connection shut-off.
2. Apply suitable foam around the gas connection.
a
If dispersions and bubbles occur on the foamy sur-
face and these indicate that gas is escaping, follow
the instructions in the section entitled "What to do if
there is a gas leak" → Page 34 .
3.
Follow the same instructions for the part that is
sealed with the blind plug.