U.S. Boiler Company LE DV Series, Installation, Operating And Service Instructions

Page: 42 / 60

42
XI. BOILER CLEANING (continued)
Figure 28: Cleaning of LEDV Boiler Firetubes / Combustion Chamber
3. Terminal and wall thimbles (if used) must be
weather-tight.
4. Pipe must be full round shape, and show no damage
from impact or excessive temperature.
5. Pipe must be supported at minimum 5 foot intervals
and must not sag.
6. All vent joints must be secure and watertight.
7. All air intake joints must be secure and airtight.
G.
Burner.
1. Replace the oil supply line filter.
2. Remove and clean the pump strainer (if applicable).
3. Replace the nozzle with an equivalent nozzle. Refer
to Table 6 for Beckett Burner Settings. Refer to
Table 7 for Riello BF Burner Settings.
4. Clean and inspect the electrodes for damage,
replacing any that are cracked or chipped.
5. Clean the combustion head of all lint and soot.
6. Inspect the transformer cables and connectors.
7. Remove and clean the cad cell.
8. Clean the blower wheel and the air control of any
lint.
9. Check all wiring for secure connections or insula-
tion breaks.
10. Re-adjust the burner as detailed in Section VIII:
System Start-up, Paragraph E.