Blocked Nozzles

From the choices you have made the problem you are experiencing
is most likely to be caused by problems with :

The most likely causes are:	Remedial Actions after overhaul are:
Maintenance not being carried out (Refer to Manual) High Sulphur content in gas Poor nozzle alignment in burner block Poor Air/Gas ratio setting High internal forehearth pressure	Follow maintenance procedures in operating manual Contact BH-F Remount burner and seal against burner block Check/Adjust Air/Gas Ratio Adjust Dampers ensure all exhausts are open

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