FULTON VSRT Series, Инструкция по установке, эксплуатации и обслуживанию

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SECTION 4
VSRT-IOM-2022-0728
MAINTENANCE & TROUBLESHOOTING
FIGURE 36 - INSPECT HAND HOLES FOR SCALE OR SLUDGE BUILDUP
9. Check burner and boiler refractory for cracks.
10. Inspect stainless steel ring in furnace (if present)
11. Check operation of steam safety valve at no more than 15 PSIG.
12. Drain and clean feedwater tank.
13. Check electrical controls and motors for correct operation.
14. Shut off the boiler completely and drain.
15. Remove brass pipe plug at the cross connection below the water column
and inspect and clean the nipple into the boiler. The boiler must be cold
and the water level must below the pipe connection.
16. Remove the hand holes and inspect the interior of the vessel for scale
or sludge deposits. See Figure 36 . The amount of deposits will indicate
the efficiency of the water treatment being used. The frequency of the
inspection will depend on the condition of the water side of the boiler.
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CAUTION
If the gasket leaks while pressure is being
built up, tighten only enough to stop
leakage. Never tighten more than necessary
to prevent leakage. Excessive tightening may
shorten the life of the gasket.
17. Replace hand hole gaskets as follows:
» Remove the hand hole assembly using a 1-1/4” tee handle
wrench or 1-1/4” 1/2” drive socket wrench. See Figure 35 .
» Remove the old gasket and thoroughly clean the surface on the
boiler and the plate.
NOTE:
–
Do not reuse old gasket(s).