Burnham 81433101R16-1/10 - Manual (Page 29)

Section VIII: Service and Cleaning
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.
A . General. Inspection, service and cleaning should
be conducted annually. Turn off electric power and
close oil supply valve while conducting service or
maintenance.
B . Firetubes and Combustion Chamber.
1. CLEAN THE FIRETUBES
a. For access to fireside of boiler, pull two halves
of Burner Swing Door Interlock wiring harness
apart, remove fasteners holding door closed and
open swing door.
b. Prior to cleaning boiler, lay a protective cloth or
plastic over combustion chamber liner.
c. Using a 1 1/2" diameter wire brush (30" handle),
clean firetubes. Measure 15" from end of brush
opposite handle, and mark handle. DO NOT
allow this mark to go past front end of firetube
during cleaning, or brush will hit rear door
insulation piece.
2. CLEAN THE COMBUSTION CHAMBER
Using wire or fiber bristle brush, clean inside of
combustion chamber. DO NOT let brush hit rear
door insulation piece or combustion chamber liner.
3. AFTER CLEANING
a. Vacuum debris inside bottom of rear door,
remove protective cloth, and vacuum remaining
fireside of boiler as necessary. BE CAREFUL
not to damage liner or rear door insulation piece.
Inspect front and rear door insulation pieces,
front door gaskets and combustion chamber liner
for damage. Replace any damaged pieces.
4. CLOSE BOILER
CAUTION: Do not start burner unless burner swing
door is securely closed. Close door, install fasteners,
and tighten securely. Door should be parallel
to tubesheet when viewed from top and sides.
Reconnect two halves of Swing Door Interlock.
C. Vent/Air Intake System. Inspect for obstructions, soot
accumulation, proper support, and deterioration of pipe,
fittings, and joints.
1. Inspect inside of vent pipe.
a. Disconnect appliance adapter from boiler flue
collar.
b. Remove any obstructions and clean with a wire
brush as required.
c. Reconnect appliance adapter to boiler flue collar
as detailed in Section IV: Venting/Air Intake
Piping.
2. Clean terminal screens. Terminals must be free of
obstruction, undamaged, with screens securely in
place.
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.
D. 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 6a 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.
WARNING
All boiler 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 opening swing door, turn off service switch to boiler to prevent accidental firing of
burner outside the combustion chamber. Be sure to tighten swing door fasteners completely when service
is completed.