Fig. 58
Do not hold the wire with your hands for this test.
The manual gas valve must be closed.
3.
Clamp the ignition cable in a manner that will
position the end of the cable 3/16" from the oven
frame (bare metal surface). It is critical that the
cable be held 3/16" away from the surface of the
oven frame or sparking may not occur even
though the sparking circuit is functioning
properly.
Fig. 59
The following steps require power to be applied to
the unit during the test. Use extreme caution at all
times.
4.
Plug the oven in and set the temperature
controller to the maximum setting.
5.
Turn the power switch ON.
6.
Sparking should occur after a 4 second delay and
continue for 7 seconds. The cycle will repeat
twice after a 15 second purge time. Arcing from
the ignition cable to the oven frame should be
observed.
DOOR SWITCH ADJUSTMENT
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.
1.
Remove the top front cover as outlined under
Covers and panels in Removal and Replacement
of Parts.
2.
Door operation:
A.
The switch actuator is engaged by the
switch lever when the right door is between
1" and 1 1/2" from being closed.
3.
If adjustment is necessary, bend the switch
actuator to obtain the proper setting.
Fig. 60
4.
Install the top front cover.
5.
Apply power to the oven and check for proper
operation.
FLAME SENSE CURRENT TEST
SG4 & SG6 Series Full Size Gas Convection Ovens - SERVICE PROCEDURES AND ADJUSTMENTS
F35626 Rev. B (1118)
Page 32 of 56
