Changing The Bake Orifice, On Gas Ranges Only - Thermador Pro Harmony Série Instructions D'installation

Changing the bake orifice, on
GAS ranges only (PRG models)
Changing the main oven bake burner
orifice
IMPORTANT:
• Do not bend the bake burner tube.
• Do not bend the bake burner gas tube.
• Do not modify the shutter opening. The air shutter
should remain fully open.
• Do not remove the anti-rotation bracket when
performing the orifice change. This bracket is
critical to the alignment of the bake burner tube
with the burner orifice. After the orifice
replacement, this bracket will facilitate the burner
tube's realignment.
a c
b d
a. Anti-rotation bracket
c. Elbow fitting
e. Bake burner tube
mounting bracket
1. Remove the bake gas line using a 13/16'' box end
wrench.
2. Remove the two screws from the bake burner tube
mounting bracket with a T-20 torx driver.
Page. 18
e f
b. Bake gas line
d. Shutter
f. Bake burner tube
3. Insert a 1/2'' offset
wrench into the
shutter opening to
restrain the bake
orifice while hand
twisting the orifice
elbow
counterclockwise.
4. Replace the orifice as indicated in the table.
Description
Pro Grand
Pro Harmony
5. Ensure that the bake orifice is aligned to the center of
the burner tube inlet. Reinstall the bake burner tube
beneath the oven. If necessary, use a flashlight to aid
in seeing the locating slot where the burner tube sits
at the backside of the burner cavity.
6. Slide the elbow fitting back into the anti-rotation
bracket. Reattach the two bake burner mounting
bracket screws and tighten the gas line.
7. If the gas range is a single oven, perform a gas
leakage check of the orifice and associated supply
tube fittings per "Checking for gas leaks" on page 19.
If the gas range has an auxiliary oven, proceed with
the following instructions.
Changing the auxiliary oven bake burner
orifice
d
a
a. Auxiliary bake burner
mounting bracket
c. Elbow fitting
IMPORTANT:
• Do not bend the bake burner tube.
• Do not bend the bake burner gas tube.
• Do not modify the shutter opening. The air shutter
should remain fully open.
1. Remove the two screws from the auxiliary bake burner
mounting bracket with a T-20 torx driver. Pull the
bracket and gas line carefully towards you.
NOTE: It is not necessary to loosen the auxiliary oven
bake gas line.
Main oven bake
1.46 mm (146)
1.34 mm (134)
c
b
b. Aux oven bake gas
line
d. Bake burner tube