3.
Remove the plug from the manifold pressure
port.
Fig. 56
4.
Install hose barb adapter and attach manometer
tube.
Fig. 57
5.
Remove adjustment screw cap from the gas
valve and turn gas supply to the oven back on.
The following steps require power to be applied to
the unit during test. Use extreme caution at all
times.
6.
Plug the unit in and turn the power switch ON.
7.
Set the temperature controller to its highest
setting and allow burner to ignite. 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).
GAS
TYPE
PRESSURE READINGS (IN W.C.)
MANIFOLD
LINE
RECOMMENDED MIN MAX
Nat.
3.5
7.0
5.0
14
Prop.
10
11.0
11.0
NOTE:
Nat. = Natural Gas; Prop. = Propane
VERIFICATION OF SPARK AT
IGNITOR
Certain procedures in this section require
electrical test or measurements while power is
applied to the machine. Exercise extreme caution
at all times. If test points are not easily accessible,
discern power, attach test equipment and reapply
power to test.
Disconnect the electrical power to
the machine and follow lockout /
tagout procedures.
Shut off the gas before servicing the oven.
1.
Remove the bottom front cover as outlined under
Covers and Panels in Removal and
Replacement of Parts.
2.
Disconnect the high voltage ignition cable from
the spark igniter.
SG4 & SG6 Series Full Size Gas Convection Ovens - SERVICE PROCEDURES AND ADJUSTMENTS
Page 31 of 56
F35626 Rev. B (1118)
