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4. Connect the gas pressure gauge to the tapped valve device. 5. Turn the store main gas on. 6. Turn the unit gas on. 7. Take the store pressure reading. Store pressure should be at least 6" W.C. for natural gas and 11" W.C. for propane gas. 8. If store pressure is not correct advise owner that the gas line pressure must be serviced for proper gas flow before appliance service can be performed. 9. If store pressure is correct, continue checking by performing the appliance gas line check. APPLIANCE GAS LINE CHECK 1. Turn appliance gas off. 2. Remove the burner knobs. 3. With a phillips head screwdriver remove (4) screws securing the front cover to the cheese melter. 4. From the front right side of the appliance follow the gas pipe to the gas line pressure tap. 5. Connect the gas meter to the line pressure tap. 6. Reinstall the burner knob handle and turn the appliance gas on. 7. Check the appliance pressure. Reading should be 5" W.C. for natural gas and 10" W.C. for propane gas. PILOT LIGHTER TUBE CHECK 1. Follow steps 1-3 under Removal of Pilot Lighter Tube. 2. Check tube flame ports for blockage. If blockage is found, blow blockage out with water or air pressure device. If these are not available try removing blockage with a small probing device. Do not force probe device of a larger diameter through the port openings. 3. If blockage cannot be removed, replace the lighter tube. 4. To reinstall or replace lighter tube follow steps 1-3 under Removal of Pilot Lighter Tube in reverse order. — 4 — PILOT ORIFICE HOOD CHECK 1. Follow steps 1-3 under Removal of Lighter Tube. 2. With a 7.16" wrench remove the orifice hood. 3. Examine the hood and orifice opening for blockage. 4. If blockage is found, remove it using air or water pressure. 5. If blockage cannot be removed, replace the orifice hood. 6. Reinstall or replace orifice hood by reversing steps 1-2 above. BURNER NOZZLE ORIFICE CHECK Perform this procedure only after the pilot tube and burner orifice have been checked for blockages. 1. Follow steps 1-2 under Removal of Top Cover. 2. Follow steps 1-4 under Removal of Burner. 3. With a 5.8" wrench remove the compression nut and burner nozzle from the burner tube. (See Fig. 9) 4. Inspect the nozzle for blockage. 5. If blockage is found loosen the hood compression nut and remove the hood. 6. Clear blockage by blowing compressed air or water through the hood orifice opening. 7. Reinstall or replace the burner nozzle by reversing steps 1-3 above. REGULATOR ADJUSTMENT 1. Follow steps 1-2 under Regulator Vent Check. 2. Follow steps 1-9 under Store line Gas Pressure Check and steps 1-7 under Appliance Gas Line Check. 3. If store pressure checks out but the appliance pressure is not correct, with a flat blade screwdriver remove the regulator adjustment closure cap. ADJUSTMENT CLOSURE CAP VENT PLUG Fig. 1 4. With a flat blade screwdriver, while still connected to the pressure gauge, rotate the regulator adjustment screw clockwise to increase pressure and cou...

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