Starting and Operating Instructions
5-6
750-368
CBEX Elite 100-1200 HP
FIGURE 5-4. Fuel Oil Actuator
When all the conditions covered above and in Sections 5.1-5.5 are assured, the burner is ready for firing. Refer
to Section 5.8 for further starting and operating information.
5.6 — Firing Preparations for Gas (Series 200-700)
• Prior to initial starting, check the linkage attached to the gas butterfly valve to assure that movement is free
from binding.
• Verify the presence and availability of gas. On a new installation, representatives of the gas utility should be
present when gas first flows into the system to supervise purging of the new gas line, unless they have already
done so.
• Determine that the pilot is operating properly, as outlined in Section 5.3.
• Determine that sufficient pressure exists at the entrance to the gas train by installing a test gauge downstream
of the regulator.
• The gas pressure regulator must be adjusted to the proper pressure level. Since the regulator is generally sup-
plied by others, adjustment should proceed according to instructions supplied by its manufacturer.
It is necessary for the operator to know the burner requirements in gas quantity and pressure.
The information can generally be found on the Dimension Diagram (DD) supplied by Cleaver-Brooks for the spe-
cific installation. Should the information not be readily available, consult the Cleaver-Brooks Service Department
and be ready to provide the boiler serial number.
Chapter 6 contains additional information along with standard gas flow and pressure requirements.
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