Chapter 8 — Inspection and Maintenance
Part No. 750-184 8-29
X. COMBUSTION
The frequency of burner adjustments depends upon several factors,
including; type of burner, type of fuel, load conditions, ambient temperature,
climatic variables, and general maintenance practices.
The air-fuel ratio should be checked monthly in order to alert the operator to
losses in efficiency, which do not produce visible flame change. Any time
maintenance is performed on the burner linkage, the air-fuel ratio should be
checked. Readjustment of the burner may be required due to variations in
fuel composition. A combustion analyzer should be used to adjust air-fuel
ratio for maximum operating efficiency. If your burner requires adjustments,
contact your local Cleaver-Brooks authorized representative for assistance.
CB-LE IFGR Maintenance
Daily • Check visually for free movement of IFGR
linkage.
Quarterly • Manually check for free movement of
IFGR linkage.
• Inspect and clean IFGR damper (oil-fueled
system).
• Inspect and clean fan and burner (oil-
fueled system).
• Grease fan motor.
Semi-
Annual
• Inspect and clean IFGR damper (gas-
fueled system).
• Inspect and clean fan and burner (gas-
fueled system).
• Open motor/fan cassette to check for free
movement of IFGR linkage and damper
assembly.
Annual • Inspect fan impeller.
• Check emissions.
• Change inlet gasket.
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