Vulcan-hart ICM60 User Manual download pdf (Page 5)

— 5 —

PILOT ORIFICE HOOD CHECK

1. Follow steps 1-3 under Removal of Lighter Tube.

2. With a

⁄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

⁄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.

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 counterclockwise to decrease pressure. Appliance pressure

should be 5" W.C. for natural gas and 10" W.C. for propane gas. Adjust the regulator to obtain the required

reading.

PILOT VALVE ADJUSTMENT

1. Insert a small flat blade screwdriver through the adjustment hole. (See Fig. 4)

2. Turn the adjustment screw clockwise to increase gas flow and counterclockwise to decrease gas flow.

ADJUSTMENT

CLOSURE

CAP

VENT PLUG

1 2 3 4 5 6 7 8 9 10 11 12

No comments

Vulcan-hart ICM60 User Manual Page 5