Weil-McLain 550-141-826/1201 - Manual (Page 29)

SERVICE TECHNICIAN ONLY — read and follow completely.
Annual service check list
Annual Service Call
Checklist
(follow in order listed below)
Dates 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 Fig-
ure 21, page 30.
5
Perform service on relief valve and
circulator. See page 30.
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 WGO 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 set-
tings with combustion test equipment.
See page 28.
10
Verify operation of all controls on
boiler. See page 28.
Any parts of the boiler furnished by Weil-McLain must be replaced by parts listed in Weil-McLain Boiler and Repair Parts Book.
Controls requiring annual service
Water Relief Valve
Check operation of water relief valve.
Follow instructions on label fastened to
relief valve.
Scald potential. Do not check
operation of relief valve un-
less discharge piping has
been installed according to
Boiler Manual. If piping is
not in place, a qualified ser-
vice technician must prop-
erly install piping.
Circulator
Follow oil-lubricating instructions on cir-
culator. Over-oiling will damage circulator.
Water-lubricated circulators do not need
oiling.
Part number 550-141-826/1211 29
GOLD
WGO
OIL-FIRED NATURAL DRAFT WATER BOILER — SERIES 3 —
Boiler Manual