Gas Valve Pressure Check (Units After February 2015) - Wolf WKG Series Service Manual

WKG Series Full Size Gas Convection Ovens - SERVICE PROCEDURES AND ADJUSTMENTS
FIRST GENERATION SHOWN (Before April 2005)
SECOND GENERATION UNIT SHOWN (After April
2005 thru February 2015)
THE FOLLOWING STEPS
REQUIRE POWER TO BE APPLIED TO THE UNIT
DURING TEST. USE EXTREME CAUTION AT ALL
TIMES.
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.
F32700 Rev. B (0315)
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.
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 28 of 74
Fig. 58
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.