Burnham BOILERS - Manual (Page 36)

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VIII. 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. (See Figure 25)
NOTICE
B UR NER S H U TD O WN : O p e n S e rv ic e
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.
1. CLEAN THE FIRETUBES
a. Disconnect electric to burner and remove stack.
b. For access to the firetubes, pull top jacket panel
off. Loosen wing nuts, that hold canopy down.
Without taking wing nuts off carriage bolts,
disengage bolts from slots on tubesheet. Pull
canopy off.
c. Remove turbulators.
d. Using a firetube brush clean firetubes. DO NOT
extend brush past the end of the bottom
tubesheet.
e. Assemble the boiler in reverse order.
Units should be cleaned at least once a year, preferably
at the end of each heating season.
It is not necessary to remove burner to clean boiler.
Brush, scrape, or vacuum from top.
Figure 25: Cleaning of RSA Boiler