22
Service Diagnostics and Procedures
© 2011 Viking Preferred Service
WARNING
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.
6. Gently lift out the valve cone.
6b. Turn the minimum screw counterclockwise to
remove. Replace minimum screw.
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.
Note:
Check for leaks after reinstallation.
Re-grease Gas Valve/Minimum Screw Replacement (continued)
Valve Cone
Valve Cone
Minimum Screw
Notch
Correct Position