Lanair HI140i - Manual (Page 45)

SECTION 16 MAINTENANCE SCHEDULE/SERVICE
ADJUSTMENTS
16.1 DAILY:
A. Check fuel supply tank level (pre-strain all fuels).
B. Note vacuum gauge reading on suction line (refer to Section 17 17.4-17.7).
C. Check atomizing air pressure at the air filter regulator set to 12-14 PSI. Drain
water from the bowl.
D. Check the fuel pressure on the burner gauge, set to the correct pressure for the
type of fuel used (refer to section 13.15). Visually inspect the flame (refer to
page 26AA).
E. Check manometer, set draft to -.02 when cold, -.06hot.
F. If the heater is not to be used for more than 12 hours (overnight), flip the
preheater rocker switch off (light off). This saves wear and tear on the
preheaters and cuts down on maintenance.
16.2 WEEKLY:
A. Drain water/anti-freeze from the fuel supply tank
B. Check the air pressure setting on the primary air regulator, set at 30 PSI.
C. Drain water from the air pressure supply line drain leg, and primary regulator.
D. Inspect the combustion chamber, ash build up, and flame. Wear adequate eye
protection.
16.3 MONTHLY:
A. Clean the combustion chamber, heat exchanger. Inspect the firebrick. Caution:
wear protective clothing, use a respirator, and protect eyes and face when
cleaning. Do not breathe dust from the combustion chamber. Wash
thoroughly with soap and water after cleaning.
B. Clean the chimney, chimney connector, and barometric draft control.
C. Clean pump strainer, suction line strainer, and pick-up tube strainer. Re-prime
the pump (refer to section 14).
D. Check for dirt build up on the combustion blower wheel. Keep clean.
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