Vulcan-Hart SG4D Convection Oven User Manual


 
– 12 –
GAS ORIFICE
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Shut off the gas before servicing
the oven.
1. Remove the lower front cover as outlined
under Covers and Panels.
2. Remove the bolts securing the gas manifold
and place manifold aside.
3. There are two gas orifices on the manifold.
Remove each orifice and replace with the
correct orifice for the given altitude as needed.
4. Reverse the procedure to install manifold and
check for proper operation.
GAS SOLENOID VALVE
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Shut off the gas before servicing
the oven.
1. Remove the control panel and the right side
panel as outlined under Covers and Panels.
2. Disconnect the lead wires.
3. Disconnect compression fittings from the
valve.
4. Loosen the bolts securing the valve and
bracket assembly, then remove the screws
securing the valve to the bracket.
5. Reverse the procedure to install the
replacement gas valve.
All gas joints disturbed during
servicing must be checked for leaks. Check with
soap and water solution (bubbles). Do not use an
open flame.
6. Verify gas pressure as outlined under the
Gas Pressure Adjustment in Service
Procedures and Adjustments. Check for
proper operation.