Viking DGVU2004B–30 Service Manual page 22

Service Diagnostics and Procedures
To avoid risk of electrical shock, personal injury, or death, disconnect gas supply and electrical power to unit
before servicing. 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.
Re-grease Gas Valve/Minimum Screw Replacement (continued)
6. Gently lift out the valve cone.
Valve Cone
6b. Turn the minimum screw counterclockwise to
remove. Replace minimum screw.
Minimum Screw
© 2011 Viking Preferred Service
WARNING
Valve Cone
7. Clean valve cone with solvent and re-grease
with high temperature grease.
Note: Remove excess grease and check that holes
in the core or body are not blocked. Open and
close gas valve.
8. Reverse procedure to reinstall.
Note: Replace in right position at top of valve.
Notch
Note: Check for leaks after reinstallation.
Correct Position
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