Bradford White UPV75 Series Service Manual page 15

UPV75 Service Procedure I – Burner Operation Inspection, Cleaning,
and Replacement
Burner Cleaning cont.
Step 9. Remove manifold mount
from burner inner door by
removing (2) ¼" hex drive
screws.
Step 10. Use a stiff brush, compressed air
and/or a vacuum to remove any debris
build up from the manifold mount.
Step 11. Thoroughly inspect burner surface area
and burner port area and remove any
loose debris using compressed air
and/or a vacuum.
Step 12. Thoroughly inspect burner screen and
burner venturi and remove any loose
debris accumulation. Inspect burner
screen for any openings larger than the
normal screen openings.
Step 13. Remove main burner orifice from feedline
(1/2" wrench) inspect orifice, clean or
replace if necessary.
Step 14. Reassemble burner and reinstall inner
door with gasket into water heater per
Service Procedure XIV on page 35.
Restore gas supply and check for gas
leaks.
Step 15. To resume operation, follow the
instruction located on the lighting
instruction label or the lighting
instruction located in the
Installation and Operation Manual.
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