35
111079-01 - 12/20
FR
Installation & Service Manual
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 11-1)
1. CLEAN THE FIRETUBES
a. Disconnect electric service to burner.
b. To gain access to the firetubes, remove the
front flue box door. For boilers equipped
with flue box swingdoor, remove two (2)
nuts at top of flue box door and swing
door down. For boilers not equipped with
swingdoor, remove fasteners around the
perimeter of flue box frame and remove
door.
c. Remove turbulators.
d. Using a firetube brush clean firetubes.
Using a wire or fibre bristle brush, clean
front tube sheet. Use care not to damage
the insulation on the inside of the flue box.
Remove debris and vacuum as necessary.
e. Replace turbulators and flue box door.
f. Disconnect vent pipe from rear smokebox
collar. Through collar opening, brush
surfaces and vacuum as necessary to
remove debris from cleaning firetubes in
Step d above. Inspect base of chimney
for accumulation of debris. Remove
debris, clean and vacuum as necessary.
Reconnect vent pipe to smokebox collar
and secure. Seal joint at chimney collar, if
necessary.
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.
11
Boiler 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.
