Gas Valve Pressure Check (Units After February 2015) - Vulcan-Hart VC4G Service Manual

VC4G & VC6G SERIES FULL SIZE CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS
FIRST GENERATION UNIT SHOWN (Before April
2005)
SECOND GENERATION UNIT SHOWN (After April
2005 thru February 2015)
5. Remove adjustment screw cap from the gas
valve and turn gas supply to the oven back on.
6. Plug the unit in and turn the power switch ON.
7. Set the temperature control to its highest setting
and allow burner to ignite.
NOTE: The burner must be lit during test and
adjustment.
8. Turn the set screw to obtain the proper gas
pressure (clockwise = pressure increase;
counterclockwise = pressure decrease).
NOTE: Accurate gas pressure adjustments can only
be made with the gas on and the burner lit.
GAS
TYPE
MANIFOLD
Natural
Propane
NOTE: If the incoming line pressure to the valve is
less than the minimum stated, then the manifold
pressure can not be set correctly.
GAS VALVE PRESSURE CHECK
(units after February 2015)
1. Turn gas supply off at manual shutoff valve.
2. Remove the RIGHT SIDE PANEL.
NOTE: If right side panel is not accessible, this
component can be serviced by removing the
CONTROL PANEL.
3. Remove the plug from the manifold pressure
port.
Page 29 of 75
PRESSURE READING (IN W.C.)
LINE
RECOMMEND MIN MAX
3.5 7.0
10 11.0
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Fig. 59
F24682 Rev. D (1016)
5 14
11 14