Item Frequency Checked By Remarks
PERIODIC CHECK LIST
Gages, monitors, and indicators Daily Operator Make visual inspection and record readings
in log
Instrument and equipment Daily Operator Make visual check against heat exchanger
settings manufacturer’s recommended specifications
Firing rate control Weekly Operator Verify heat exchanger manufacturer’s settings
Semiannually Service Technician Verify heat exchanger manufacturer’s settings
Annually ServiceTechnician Check with combustion test
Flue, vent, stack, or outlet Monthly Operator Make visual inspection of linkage, check for
damper proper operation
Combustion air Monthly Operator All sources remain clean and open
Ignition System Weekly Operator Make visual inspection, check flame signal
strength if meter-fitted
(see Combustion safety controls)
Fuel Valves
Pilot and main Weekly Operator Open limit switch-make aural and visual check-
check valve position indicators and check
fuel meters if so fitted
Pilot and main gas or main oil Annually Service Technician Perform leakage tests-refer to valve
manufacturer’s instructions
Combustion safety controls
Flame failure Weekly Operator Close manual fuel supply for (1) pilot,
(2) main fuel cock, and/or valves(s):
check safety shutdown timing; log
Flame signal strength Weekly Operator If flame signal meter installed, read and log;
for both pilot and main flames, notify service
organization if readings are very high, very
low, or fluctuating; refer to flame safeguard
manufacturer’s instructions
Pilot turndown tests As required/annually Service Technician Required after any adjustments to
flame scanner mount or pilot burner;
verify annually-refer to flame
safeguard manufacturer’s instructions
Refractory hold in As required/annually Service Technician See Pilot turndown tests
High limit safety control Annually Service Technician Refer to heat exchanger manufacturer’s
instructions
Operating control Annually Service Technician Refer to heat exchanger manufacturer’s
instructions
Low draft, fan, air pressure, Monthly Operator Refer to this manual and control manufacturer’s
and damper instructions
High and low gas pressure interlocks Monthly Operator Refer to instructions in this manual
Low oil pressure interlocks Monthly Operator Refer to instructions in this manual
Fuel valve interlock switch Annually Service Technician Refer to valve manufacturer’s instructions
Purge switch Annually Service Technician Refer to fuel/air control motor manufacturer’s
instructions
Low fire start interlock Annually Service Technician Refer to fuel/air control motor manufacturer’s
instructions
Automatic changeover control At least annually Service Technician Under supervision of gas utility
(dual fuel)
Inspect burner components Service Technician Refer to this manual and control
component manufacturer’s instructions
Remove oil drawer assembly Annually Service Technician Remove and clean
Check blower motor and blower Annually Service Technician Remove and clean
wheel for cleanliness. Remove
and clean as necessary
Remove, inspect and clean gas Annually Service Technician Remove and clean
pilot assembly
Refer to heat exchanger manufacturer’s instructions for
general inspection procedures and for specific testing and
inspection of all liquid level controls, pressure/temperature
relief and other applicable items.
If you have any questions about the procedures listed
above-or questions relating to components or devices on
your unit not specifically covered in the above-contact our
Service Department at
(620)421-0480 for assistance.
C45
Rev.304
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