Smith Cast Iron Boilers Series 28A - Manual (Page 24)

Page 24 SERIES 28A BOILER INSTALLATION AND OPERATION INSTRUCTIONS
6. Vacuum out the burner base and clean and inspect
all of the components. Replace any damaged or
badly corroded parts.
7. Inspect the cleanout cover insulation and rope seal.
If damaged or deteriorated replace them.
8. Install the clean out covers and reseal them with a
silicone caulk rated for 500
°
F, 260
°
C.
9. Install the left jacket panels and remount the burner.
10. Restore electrical power and fuel to the boiler.
Vent System
Thoroughly inspect the vent system for any signs of
blockage, corrosion or leakage. Immediately replace any
unsound vent system piping.
Controls
1.
Low water cutoff devices must be serviced per the
manufacture’s instructions.
2. The relief valve should vent water when the test
lever is lifted. It should not weep or discharge water
at normal system pressure.
WARNING: Never try to clean or repair the relief
valve! If the valve fails to operate properly,
replace it! Failure to comply with this warning
can result in an explosion causing extensive
property damage, severe personal injury or
death!
3. Use a combustion analyzer to ensure that the
bur ner is adjusted properly, see BOILER
OPERATION.