Technical Service Manual
MKG Series Gas Griddles
L22-296 Rev 0 (4/08)
Page 13
NOTE: A properly sized and installed gas line will
deliver a minimum supply pressure of 7.0” W.C.
(17.4mbars, 1.74kPa) natural gas or 11.0” W.C.
(27.4mbars, 2.75kPa) propane to all appliances
connected to the supply line, operating at full
demand. If regulated gas pressure cannot be
achieved with all appliances in the store running,
there may be a building gas supply deficiency.
Photo 27
Photo 28
Photo 29
•
With the screws removed, the pilot cover plate
and the burner seal plate can be easily
removed from the front and set aside.
•
Remove the runner tube mounting screws(C),
and the main burner mounting screws(D), See
Photo 26.
•
Rotate the runner tube(A) up, and out through
the front, set aside.
•
Pull the main burner(B) to the front, and lift up
through the burner mounting plate. Rotate the
burner 90° CW, and pull out through the front
and set aside. See photo 27 for the position of
the burner during removal.
•
Replace burner, use the same position of the
burner in Photo 27 to re-install the burner into
the cabinet.
•
Make certain that the end of the burner(B) is
located on the indexing pin(A) of the burner
mounting plate, See Photo 28.
•
Re-install the remaining screws, runner tube
and sheet metal in reverse order. Insure that all
burners, runner tubes, and pilots are properly
positioned after the repair.
4.8
GAS PRESSURE ADJUSTMENT
Before checking the operating pressure of the
appliance, the incoming supply pressure to the
appliance must be verified. The minimum dynamic
pressure for natural gas is 5.0” WC, and LP gas is
11.0” WC.
•
The gas pressure regulator is located on the
rear of the appliance.
Important! Make sure the manual shut off valve
is in the closed position prior to making any
test connections.
•
Make the manometer connection on the shut-
off valve (C), See Photo 29.
Note
: On Snap Action models the shut-off is valve
behind the front panel, See Photo 1 in section 2.1.
•
Remove the regulator cap(A), to expose
adjustment screw. Turn CW to increase
pressure, or CCW to decrease pressure. With
all Burners “ON”, set manifold pressures in
accordance with section 1.3.1.
•
If gas pressure will not change, verify that vent
fitting(B) is free from grease or debris. The
vent breathes through a hole in the side of the
fitting
•
If supply pressure is adequate, but proper
manifold pressure cannot be obtained, replace
regulator.
