REQUIREMENT

WEEKLY

MONTHLY

QUARTERLY

YEARLY

Check for proper level of thermal fluid. Sight gauge on expansion tank should show at least 3 inches.

X

Clean ultraviolet flame detector lens.

X

Check intake area of blower to make sure it is not blocked by foreign material and is free from buildup of dirt.

X

Check flame to ensure burner shows no symptoms of being in need of tuning. (Refer to material under heading entitled How to Recognize An Out-of-Tune Burner.)

X

During normal operation check all pressure gauges and thermometers on heater for values as indicated in Tec-Note 6-04-133

X

X

Check all operating and limit controls and settings to make sure they are set properly and are working properly.

X

X

Check strainer to ensure it is not dirty.

X

Check heater and piping to ensure there are no leaks of thermal fluid or asphalt cement.

X

X

Check heater to ensure there is no structural damage to heater shell, end plates, etc. or signs of over heating.

X

X

Check pilot assembly to make sure spark gap is 1/8 to 3/16-inch.

X

Check burner control linkage to make sure it is not binding or loose.

X

X

Have exhaust stack gases analyzed and have burner tuned by a specialist

X

Have thermal fluid analyzed to ensure it is not degraded.

X

Lubricate heater according to Tec-Note 6-04-132.