Instruction manual

23
IV. Service and Cleaning
A. General. Inspection, service and cleaning should be
conducted annually. Turn off electric power and close
oil supply valve while conducting service or mainte-
nance.
B. Firetubes and Combustion Chamber.
1. CLEAN THE FIRETUBES
a. For access to fireside of boiler, remove fasteners
holding flue box panel closed.
b. Using a 1 1/2" diameter wire brush (30" handle),
clean firetubes.
c. Remove fasteners holding burner door. Carefully
remove door with burner still attached.
2. CLEAN THE COMBUSTION CHAMBER
Using wire or fiber bristle brush, clean inside of
combustion chamber.
3. AFTER CLEANING
a. Vacuum debris inside combustion chamber and
vacuum remaining fireside of boiler as necessary.
NOTICE
BURNER SHUTDOWN: Open Service
Switch to turn off burner.
Manual Oil Supply Valve should be closed
and Electric Service to boiler turned off if
boiler will not be operated for an extended
period of time.
BE CAREFUL not to damage insulation piece.
Inspect front door insulation board and combus-
tion chamber insulation board for damage.
Replace any damaged pieces.
4. REPLACE FIREDOOR
CAUTION: Do not start burner unless burner door is
securely closed. Replace door, install fasteners, and
tighten securely. Door should be parallel to
tubesheet when viewed from top and sides.
C. 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. See
Table 4.
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 III:
System Start-up, Paragraph I.
D. Controls. Test Controls for proper operation as detailed
in Section III: System Start-up, Paragraph G.
WARNING
All boiler service and cleaning must be completed with burner service switch turned off.
Boilers equipped with burner swing door have a potential hazard which can cause severe
property damage, personal injury or loss of life if ignored. Before removing burner door,
turn off service switch to boiler to prevent accidental firing of burner outside the
combustion chamber. Be sure to tighten burner door fasteners completely when service is
completed.