Freestyle 2 Series - Page 113

Part number 550-142-950/0122
113
FreeStyle
®
series 2 wall mount gas-fired water boiler – boiler manual
38 Maintenance (continued)
Figure 146 Inspection and removal of burner and gasket
Figure 147 Inspecting interior and cleaning the burner
4. Remove the burner and burner gasket from the heat
exchanger cover plate if still in place. Do not let fragments
drop into the heat exchanger if the gasket pulls apart dur-
ing removal. Replace the gasket with a new one during
reassembly.
5. Inspect the burner gasket. Discard and use a new gasket
during re-assembly if the gasket is damaged in any way.
6. Inspect the interior of the burner. Brush and vacuum
the interior if needed to remove lint or sediment.
Alternative cleaning methods: • blow air or nitrogen
from the inside out; • clean with a water spray from
inside the burner; • swirl the burner thoroughly in a
bucket of mild liquid laundry detergent water, then
rinse thoroughly. Use ONLY a non-metallic brush.
7. Inspect the burner exterior. It must be in good
condition, with no visible damage.
8. Clean the underside of the burner ange with a so
brush to remove any gasket fragments remaining.
9. Reinstall spring, if removed.
10. Reinstall the burner and burner gasket to heat
exchanger cover plate.
11. Reinstall exchanger cover plate and gasket to heat
exchanger.
12. Tighten the heat exchanger cover plate’s ve (5) 10mm
nuts using a torque wrench. e nuts must be secure,
but the torque must not exceed 20 inch-pounds
Perform a complete start-up procedure when put-
ting the boiler back into service. See page75 and all
instructions for start-up and verication. Include a
soap suds leak test on all interior and exterior gas
piping aer starting the boiler.
Figure 148 Inspecting exterior and cleaning the burner