CAC / BDP BW4BAH-91, Installation, Operation & Maintenance Manual

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Oil Boiler Cleaning:
1.
Shut off all electrical power to boiler / burner and shut
off fuel oil supply.
2.
Remove vent pipe from top of boiler. Inspect pipe and
chimney for signs of corrosion and deterioration. Clean
out base of chimney. If vent pipe shows any signs of
corrosion or deterioration, replace it immediately. If
chimney damage or deterioration is discovered, contact
a service technician.
3.
Remove top jacket panel screws (5), brass wing nuts
(2) holding fl ue collector top, and fl ue collector top.
Inspect gasket on underside of fl ue collector and
replace as necessary.
4.
Before beginning to clean fl ue passageways, insure
combustion chamber blanket is covered. If blanket is
not covered prior to cleaning, replace blanket once
cleaning is completed.
5.
With access to fl ue passageways, remove soot from
fi reside surfaces by brushing diagonally through fl ue
passages (see drawing below). Brushing can be made
easier by cutting end of fl ue brush off and inserting
it into drill. When brushing, take care to not damage
target wall with fl ue brush.
6.
Carefully vacuum soot accumulations from combustion
chamber area, take care to not damage any of
refractory or blanket insulation. To gain access to
combustion chamber fi rst check that shut off valve on
fuel oil line is closed and disconnect fuel oil line. Open
swing door by removing whiz lock nut holding door
shut.
7.
Inspect target wall, fi re door refractory, and
combustion chamber blanket (when included) for
cracking and deterioration. If there are signs of
cracking or deterioration, replace refractory or blanket
before reassembling burner / front plate.
8.
Inspect door’s braided gasket for wear and damage.
Replace when necessary with braided gasket of same
material and size.
9.
Inspect and clean oil burner.
10.
Reinstall burner.
11.
Reinstall fl ue collector.
12.
Reinstall top jacket panel. Reconnect fl ue pipe.
13.
Reconnect electrical and fuel supplies.
14.
Fire burner, check for proper combustion using
combustion test equipment, make adjustments as
necessary.
15.
Verify all safety controls and operating controls are
functioning properly.
OIL BOILER / BURNER CLEANING INSTRUCTIONS
NOTICE
Important operating and maintenance
requirements:
• Keep your boiler and the area around it clean
• Never burn refuse or any material other than
speci fi ed fuel in your boiler
Figure 14 -
Brush Diagonally Through Flue
Passages