Adjustment Procedures
5-18
750-96 (revised 2010)
Model CB Packaged Boiler Manual
FIGURE 5-7. Oil Viscosity Chart
Review of the applicable maintenance instructions given in Chapter 7 will aid in maintaining an efficient fuel sys-
tem.
When the boiler is shut down, or switched over to gas firing, the pump must operate for a sufficient period of time
to cool the oil heater. Similarly, if an electric, steam, or hot water oil heater is removed for servicing, the tempera-
ture of the heater should be reduced by circulating oil until it is.
5.12 — Fuel Oil Combustion Adjustment
After operating for a sufficient period of time to assure a warm boiler, adjustments should be made to obtain effi-
cient combustion.
NOTE: To prevent oil heater coking, the fuel oil pump must be in operation during all times that an oil heater is in ser-
vice. During any time that the oil pump is not operating, the oil heating system must be electrically shut down by man-
ually turning the oil heater switch to “off.”
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