Bradford White URG2PV75H N Series Service Manual page 16

UPV75 Series
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. Remove (4) ¼" hex drive screws from
main burner feedline mounting
brackets. Remove brackets from
orifices by hand by turning
counterclockwise.
Step 12. Remove main burner orifices from
feedline (
clean or replace if necessary.
Step 13. Thoroughly inspect burner screen and
burner venturis and remove any loose
debris accumulation. Inspect burner
screen for any openings larger than
the normal screen openings.
Step 14. Reassemble burner and reinstall into
water heater per service procedure XIII
on page 34. 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.
16
16
1 / " wrench) inspect orifice,
2
UPV75 SERVICE PROCEDURE I
Burner Operation Inspection,
Cleaning and Replacement