Weil-McLain WGO - Manual (Page 8)

8
The procedures and information on pages 7 through 11 are
intended only for a qualified service technician who has the necessary
equipment to inspect and adjust boiler and burner. A homeowner should
never attempt these procedures. Qualified service technician must read
pages 2 and 3 before proceeding.
Annual Service Check List
Any parts of the boiler furnished by Weil-McLain must be replaced by parts listed in
Weil-McLain Boiler and Repair Parts Book.
Annual Service Call Check List
(follow in order listed below)
D
A
T
E
D
A
T
E
D
A
T
E
D
A
T
E
D
A
T
E
D
A
T
E
D
A
T
E
D
A
T
E
D
A
T
E
D
A
T
E Comments
1 Check that boiler area is free from
combustible materials, gasoline and other
flammable vapors and liquids.
2 Check for and remove any obstruction to
combustion and ventilation air flow to boiler.
3 Check breeching and chimney or vent for
obstructions, damage, etc. Repair or replace
as necessary.
4 Clean boiler flueways. See page 9.
5 Perform service on relief valve and circulator.
See page 11.
6 Check boiler and piping for leaks and repair if
found. Check for leaks at tankless heater
plate. Tighten nuts only if leaks are found (for
WTGO torque to 20-25 ft.lbs.).
7 Inspect and adjust burner. See burner manual
and:
- change nozzle.
- check ignition electrode settings.
- clean blower housing and wheel.
- make sure blower wheel turns freely.
- oil burner motor if required.
- clean air inlet.
- clean or change fuel filter and strainer.
8 Make sure boiler is filled with water.
9 Start unit and verify combustion settings with
combustion test equipment.
See page 10.
10 Verify operation of all controls on boiler. See
page 11.