Cleaning The Gas Valve Vent Tube (If Applicable); Adjusting Burner Manifold Gas Pressure - Dean D20 series Service & Parts Manual

1.3 Cleaning the Gas Valve Vent Tube (if applicable)

1. Set the fryer power switch and the gas valve to the "OFF" position.
2. Carefully unscrew the vent tube from the gas valve. NOTE: The vent tube may be straightened
for ease in removal.
3. Pass a piece of ordinary binding wire (.052 inch diameter) through the tube to remove any
obstruction. Remove the wire and blow through the tube to ensure it is clear.
4. Reinstall tube and bend so that the opening is pointing downward.

1.4 Adjusting Burner Manifold Gas Pressure

This task should be performed by qualified service personnel only.
1. Ensure that the gas valve knob is in the "OFF" position.
2. Remove the pressure tap plug from the gas valve (see arrows in photos below for location).
Pilot Ignition Valve (Line
Voltage)
3. Insert the fitting for a gas pressure-measuring device into the pressure tap hole.
4. Place the gas valve in the "ON" position then place the fryer power switch in the "ON" position.
When the burner lights and continues to burn, note gas pressure reading for correct pressure in
accordance with the table on page 1-1.
5. To adjust burner gas pressure, remove the cap from the gas valve regulator and adjust to correct
pressure.
6. Place the fryer power switch and the gas valve in the "OFF" position. Remove the pressure-
measuring device fitting from the pressure tap hole and reinstall the pressure tap plug.
DECATHLON SERIES GAS FRYERS
CHAPTER 1: SERVICE PROCEDURES
WARNING
Non-CE Electronic Ignition
Valve
1-8
CE Pilot Ignition Valve