Freestyle 2 Series Manual page 113

FreeStyle
®
2
series
38 Maintenance
Figure 146
Inspection and removal of burner and gasket
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.
Figure 147
Inspecting interior and cleaning the burner
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.
Part number 550-142-950/0122
-
wall mount gas fired water boiler
(continued)
–
boiler manual
Figure 148
Inspecting exterior and cleaning the burner
7. Inspect the burner exterior. It must be in good
condition, with no visible damage.
8. Clean the underside of the burner flange with a soft
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 five (5) 10mm
nuts using a torque wrench. The 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 verification. Include a
soap suds leak test on all interior and exterior gas
piping after starting the boiler.
113