SERVICE GFS SERIES TUBE FRYERS
PAGE 22 OPERATOR’S MANUAL 1182026 REV 2
SERVICE
Checking and Adjusting Auto Safety Pilot
The pilot flame should surround the thermopile for 1/2". It m ust be large and sharp enough to cause the
thermopile to glow a dull red, or sufficient to hold the safet y valve open.
1. Remove pilot adjustment cap (see wiring d iagram on page 24 for location).
2. Adjust pilot key to provide properl y sized flame.
3. Replace pilot adjustment cap.
Converting from Natural Gas to LP Gas
Obtain a natural-to-LP gas conversion kit (part number 44404 93) from your authorized Southbend parts
distributor. The kit comes with five LP gas orifice spuds; Mod el GFS65 uses all five spu ds, model GFS45
uses four, and model GFS35 uses three. In the following procedure, refer to th e parts diagram on pa ge 28
for Model GFS35, on page 30 for Model GFS45, or on pag e 32 for Model GFS65.
1. Remove the existing natural gas spud from each burner and replace it with an LP gas spud from the
conversion kit.
2. Loosen the compression fitting at the pi lot and remove the pilot tubing from the pilot.
3. Remove the two pilot mounting screws.
4. Remove the natural gas pilot orifice from the pilot and replace it with the LP gas pilot orifice from the
conversion kit.
5. Remount the pilot assembly, reposition t he pilot tubing, and tighten the compression fitting.
6. Partially depress and turn the combinat ion gas valve knob to “OFF.”
7. Remove the two screws that pass through the
regulator, the regulator, and the gasket (see
figure at right).
8. Install the new gasket and regulator from the
conversion kit using the two screws in the
conversion kit.
9. Turn the combination gas valve knob to “PILOT”
and light the pilot, then turn the knob to “ON.”
10. With the main burners on, test for leaks us ing a
soap solution.
11. Check and adjust the pressure regulator (see
procedure on page 21). The pressure should be
10" W.C. for propane gas.
Gasket
Regulator