Section V - Service Instructions; Cleaning Boiler Heating Surfaces - Burnham V9A Series Installation, Operating And Service Instructions

SECTION V - SERVICE INSTRUCTIONS

This boiler uses flammable gas, high voltage electricity, moving parts, and very hot water under high
pressure. Assure that all gas and electric power supplies are off and that the water temperature is cool
before attempting any disassembly or service.
More than one gas shut-off valve and electrical disconnect switch are used on the boiler. Assure that
all gas valves and electrical disconnect switches are off before attempting any disassembly or service.
Do not attempt any service work if gas is present in the air in the vicinity of the boiler. Never modify,
remove or tamper with any control device.
This boiler must only be serviced and repaired by skilled and experienced service technicians.
If any controls are replaced, they must be replaced with identical models.
Read, understand and follow all the instructions and warnings contained in all the sections of this
manual.
If any electrical wires are disconnected during service, clearly label the wires and assure that the wires
are reconnected properly.
NEVER operate boiler without all sight glasses and brackets in place and securely fastened and sealed.
Very HOT combustion gas may cause burn injury.
Read, understand and follow all the instructions and warnings contained in ALL of the component
instruction manuals.
Assure that all safety and operating controls and components are operating properly before placing the
boiler back in service.
A.
GENERAL — Inspection should be conducted
annually. Service as frequently as specified in
paragraphs below. While service or maintenance is
being done, electrical power to the boiler must be "off".
B.
CLEAN THE BOILER HEATING SURFACES
& FLUE at least once each year, preferably at the end
of the heating season.
1. CLEAN THE VENT SYSTEM — Vent system
should be checked annually for:
a. Obstructions.
b. Accumulations of soot.
c. Deterioration of vent pipe or vent accessories
due to condensation or other reasons.
d. Proper support — no sags, particularly in
horizontal runs.
e. Tightness of joints.
f. Remove the smoke pipe. Remove all
accumulations of soot with wire brush and
vacuum. Remove all obstructions. Replace all
deteriorated parts and support properly. Seal all
joints.
2. CLEAN THE BOILER FLUEWAYS
a. Remove the jacket left side panels.
DANGER
WARNING
b. Loosen nuts securing the flue cleanout plates
and remove the plates. The insulation should
be removed with the plates taking care not to
damage the insulation.
c. Using a 1¼" diameter wire or fibre bristle brush
(36" handle) clean the flueways. Start at the top
of each flueway opening and work down the pin
rows using two or three horizontal strokes per
row for best results.
3. CLEAN TOP OF BOILER SECTIONS
Remove the jacket top panel. Remove the top flue
canopy cover or outlet assembly. Use a flashlight to
inspect the upper portion of the flueways and top of
castings for soot and debris. Heavy accumulations
over 1/16" thick must be removed. Remove the
canopy being careful not to damage the cerafelt
strips. Brush and vacuum the upper flueways and
tops of castings.
4. CLEAN THE FIREBOX
a. Disconnect fuel line(s) and remove burner and
burner mounting plate.
b. Using wire or fibre bristle brush clean crown of
boiler and inside of water legs.
c. Inspect target wall (V903A only) for damage or
deterioration. If target wall is damaged, replace.
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