Service Manual for the Thermador Pro Grand Next Generation 48-Inch Natural Gas and LP Gas Ranges, Models:
PRG486JDG/01, PRL486JDG/01
58300000159722_ARA_EN_D
Page 45 of 92
6.7.9
Regulator Removal and Replacement
Before replacing the regulator, first check QuickFinder for service
documentation regarding regulator diagnostics.
Be sure to check QuickFinder for relevant information, documentation,
and the correct part number when replacing this component.
Figure 59: Regulator with Typical Fittings and Gas Flex Line
1
Manifold pipe
2
Flared adapter
3
T connector (in some models a cross connector is
used)
4
Nipple fitting
5
Regulator
6
Flared adapter
7
Gas flex line
1. Follow all safety precautions and steps in
2. Follow all steps in
Accessing Components under the Maintop
3. If obstructing access to the regulator, remove the burner support
rail (with jet holder assemblies attached) by following the steps in
Removing the Burner Support Rail,
page
4. Use two wrenches (open-end, or adjustable) and hold the large
nut on the regulator steady with one wrench, while you
simultaneously rotate the flared adapter counter-clockwise with
the other wrench until you can remove the flared adapter from the
regulator (see Figure 59).
5. Rotate the regulator until you can detach it from the nipple fitting
(see Figure 59).
6.
Replace the regulator if needed.
NOTE:
When replacing the regulator or associated fittings, use
pipe sealant on
pipe threads only
.
Never use pipe sealant on flair connections or pressure fittings, such
as the flared end of the flared adapter.
7. When installing a regulator, make sure it is positioned correctly
with the cap facing upward (see Figure 59), and with the
directional arrow (located on bottom side of regulator) pointing
towards the manifold (see Figure 60, page 46).