Burnham RSA - Manual (Page 38)

38
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. (See Figure 27)
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 27: Cleaning of RSA Boiler