Annual Inspection; General Inspection Information; Inspect The Boiler Area; Inspect All Piping For Leaks - Weil-McLain 4 Series Manual

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Annual Inspection

1

General Inspection Information

WARNING
!
Shut off the fuel supply to the boiler while
servicing to avoid a potential explosion, which
can result in server personal injury, death, or
2
substantial property damage.
WARNING
!
Allow the boiler to cool before touching boiler
surfaces or making contact with boiler water
to prevent burns, which can result in severe
3
personal injury or death.
WARNING
!
Do not use solvents to clean any of the boiler
components. The components could be damaged,
causing unreliable or unsafe operation, which
4
can result in severe personal injury, death, or
substantial property damage.
The boiler should be inspected and started at the
beginning of the heating season annually, only by a
qualified service technician.
5
NOTICE
Failure to service and maintain the boiler and system
could result in equipment failure.

Inspect the Boiler Area

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1 Verify the boiler area is free of any combustible
materials, gasoline, and other flammable vapors
and liquids
2 Verify the air intake area is free of any
contaminants listed on page 39 Remove any
contaminants that are present in the boiler intake
air vicinity
7
8
54
sTeam series
94

Inspect All Piping for Leaks

WARNING
!
Eliminate all system or boiler leaks. Piping leaks
can result in severe personal injury, death, or
substantial property damage.
Inspect all water and gas piping Look for signs of
leaking lines Correct any issues found See pages
50 and 52 for checking gas lines

Inspect the Boiler Interior

1 Remove all side jacket panels Inspect the interior
of the boiler
2 Visually inspect each casting for signs of
combustion gas leaks
3 Visually inspect each casting and the boiler room
floor for signs of water leaks.
a If any signs of combustion gas or water
leakage is present, repair the leak
b To repair a leak, separate the heat exchanger
at the leaking connection Use the instructions
in "Assembling the Block" on page 12 to
repair any leaks Refer to the Parts section
starting on page 59 for replacement kit
information

Check Air Openings

1 Verify that combustion and ventilation air
openings to the boiler room and building are open
and unobstructed
2 Check operation and wiring of automatic
combustion air dampers, if used
3 Verify the boiler vent discharge and air intake are
clean and free of obstructions
boiler manual
4
550-100-157/0523