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SERVICE PROCEDURE ED-VIII
ScreenLok Flame Arrestor Cleaning
Step 1. Rotate gas control knob to the “OFF” position.
Step 2. Remove outer jacket door.
Step 3. Remove burner and inner door per SERVICE PROCEDURE
ED-I, step 3a through 3g.
Step 4. Clean ScreenLok Flame Arrestor using stiff brush, compressed air and/or shop vacuum to remove any scale or
other debris accumulation. It is only necessary to clean the ScreenLok Flame Arrestor in the areas that are not
covered by the secondary air restrictor plate. Using a soft brush, clear jacket openings of any dirt, dust,
restrictions or other obstructions.
Step 5. Remove any debris from burner assembly per SERVICE PROCEDURE ED-VI and reinstall burner assembly
into combustion chamber.
Step 8 Reinstall burner and inner door per SERVICE PROCEDURE ED-I, steps 4 through 16.
Step 9. To resume operation follow the instructions located on the lighting instruction label or the lighting instruction
located in the installation and operation manual.
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ScreenLok Flame Arrestor Cleaning
Gas Control Knob Shown In
“OFF” Position
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