Bradford White PV Series Service Manual page 42

PV Series
ScreenLok ®
Step 1. Position Gas Control power switch to the "OFF" position.
Step 2. Remove outer door.
Step 3. Remove outer jacket door and inner door per service procedure XIII on page 39.
Step 4. Disconnect main burner feedline (3/4" wrench), pilot tube (7/16" wrench) and
igniter/flame sensor wire from gas control and remove burner assembly from
combustion chamber.
Step 5. Clean ScreenLok
vacuum to remove any scale or other debris accumulation. Using a soft brush,
clear jacket openings from any dirt, dust, restrictions or other obstructions.
Step 6. Remove any debris from burner assembly per PROCEDURE I and reinstall
burner assembly into combustion chamber.
Step 7. Reconnect feedline, pilot tube and igniter/flame sensor wire to the gas control
Step 8. Reinstall outer jacket door and inner door per service procedure XIII on page 39.
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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42
Flame Arrestor Cleaning
Some models are not equipped with the
ScreenLok
® Flame Arrestor using stiff brush, compressed air and/or shop
PARTS LIST
NOTICE
® Flame Arrestor.