Section: Perform Regular Maintenance
Perform Regular Maintenance
Annual Professional
Service Required
Tampering with or making incorrect adjustments could lead to equipment malfunction and result in asphyxiation, explosion or fire.
yDo not tamper with the burner or controls or make any adjustments unless you are a trained and qualified service technician.
yTo ensure continued reliable operation, a qualified service technician must service this burner annually.
yMore frequent service intervals may be required in dusty or adverse environments.
yOperation and adjustment of the burner requires technical training and skillful use of combustion test instruments and other test equipment.
Annual Service — by qualified service technician
□Replace the oil supply line filter. The line filter cartridge must be replaced to avoid contamination of the fuel unit and nozzle.
□Inspect the oil supply system. All fittings should be
□Remove and clean the pump strainer if applicable.
□Replace both nozzles with the specified brand, pattern, gph, flow rate, and spray angle specified by the appliance manufacturer.
□Clean and inspect the electrodes for damage, replacing any that are cracked or chipped.
□Check electrode tip settings. Replace electrodes if tips are rounded.
□Inspect the igniter spring contacts.
□Clean the cad cell lens or other sensor surface, if necessary.
□Inspect all gaskets. Replace any that are damaged or would fail to seal adequately.
□Inspect the combustion head and air tube. Remove any carbon or foreign matter. Replace all damaged units with exact parts.
□Clean the blower wheel, air inlet, air guide, burner housing, and static plate of any lint or foreign material.
□If motor is not permanently lubricated, oil motor with a few drops of SAE 20 nondetergent oil at each oil hole. DO NOT over oil motor. Excessive oiling can cause motor failure.
□Check motor current. The amp draw should not exceed the nameplate rating.
□Check all wiring for secure connections or insulation breaks.
□Check the pump pressure and cutoff function.
□Check primary control safety lockout timing.
□Check ignition system for proper operation.
□Inspect the vent system and chimney for soot accumulation or other restriction.
□Clean all flue passages and flue pipe. Replace corroded or damaged pipes.
□Clean the appliance thoroughly according to the manufacturer’s recommendations.
□Check the burner performance. Refer to the section ‘Set
□It is good practice to make a record of the service performed and the combustion test results.
Monthly Maintenance — by owner
□Observe combustion air openings and vent system for integrity. Openings must be clean and free of obstructions.
□Check oil lines and fittings to verify there are no leaks.
□Observe burner ignition and performance to verify smooth operation.
□Shut the system down if you observe abnormal or questionable operation. Call a qualified service agency for professional inspection and service.
CF2500/CF3500 Burner Manual
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