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© 2010 Viking Preferred Service
52
Orifice Holder
To access the orifice holder:
1.
Remove main top
(see Main Top Access
section, page 50).
2.
Remove 5/16” screw securing front to back
bracket and Phillips Head screws securing
orifice holder to bracket.
3.
Disconnect flex gas tubing from orifice holder
and repair/replace orifice holder.
4.
Reverse procedure to reinstall.
Pressure Regulator
Gas pressure is controlled via a pressure regulator.
The regulator takes incoming supply pressure and
drops it down to a working pressure of 5” WCP
(Natural Gas) and 11” WCP (LP Gas).
To access pressure regulator:
1.
Remove left side orifice holders
(see Orifice
Holder section)
.
2.
Disconnect main gas supply tubing.
Disconnect pressure regulator from manifold
pipe.
3.
Repair/replace pressure regulator.
4.
Reverse procedure to reinstall.
Service Diagnostics and Procedures–Disassembly
Pressure Regulator
Manifold Pipe
Flex Gas Tubing
Orifice Holder
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect gas supply and electrical power to unit
before servicing. Discharge capacitor through a resistor before attempting to service. Wires removed during
disassembly must be replaced on proper terminals to insure correct earth ground and polarization. After
servicing, reconnect electrical power and gas supply. Before placing appliance into operation, always check
for gas leaks with soapy water solution.
DO NOT
USE AN OPEN FLAME TO CHECK FOR GAS LEAKS.