Bosch HGA120E50Z User Manual And Installation Instructions page 36

Free standing cooker
Hide thumbs Also See for HGA120E50Z:
Table of Contents

Advertisement

en Installation instructions
Replacing the oven gas burner
Preparation
¡ Switch off all of the knobs on the control panel.
¡ Close the gas connection shut-off.
¡ Disconnect the appliance from the mains.
Replacing the oven's lower gas burner nozzle
Open the appliance door.
1.
Undo the front screw on the appliance base plate.
2.
Raise the front of the tray, pull it and remove it.
Undo the screw on the burner and carefully pull the
3.
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.
Select the appropriate nozzle from the table de-
4.
pending on the new gas type. You can find addi-
tional information about this in the section entitled
"Technical data – Gas" → Page 37.
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 36.
Insert the oven burner, making sure that the connec-
5.
tions for the thermocouple and the spark plugs are
not damaged. Screw in the loosened screw.
At this stage, it is important to check that the burner
6.
is burning correctly. You can find additional informa-
tion about this in the section entitled "Checking the
correct burner behaviour → Page 37".
Insert the bottom panel of the oven's housing and
7.
screw it firmly in place.
Replacing the gas grill burner nozzle on the oven
Open the appliance door.
1.
36
Undo the screw that holds the grill burner fastening
2.
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.
Select the appropriate nozzle from the table de-
3.
pending on the new gas type. You can find addi-
tional information about this in the section entitled
"Technical data – Gas" → Page 37.
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 36.
Reinsert the oven's grill burner, making sure that the
4.
connections for the thermocouple and the spark
plugs are not damaged. Screw in the loosened
screw.
Push in the seal on the burner until it is situated on
5.
the rear housing.
At this stage, it is important to check that the burner
6.
is burning correctly. You can find additional informa-
tion about this in the section entitled "Checking the
correct burner behaviour → Page 37".
20.6 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 36.
Checking the gas connection
Open the gas connection shut-off.
1.
Apply suitable foam around the gas connection.
2.
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 36.
Follow the same instructions for the part that is
3.
sealed with the blind plug.

Advertisement

Table of Contents
loading

Table of Contents