SECTION 7: O
PERATION
AND
M
AINTENANCE
19
Tubes
Make sure there are no cracks.
Make sure tubes are connected and suspended securely.
Make sure there is no sagging, bending or distortion.
Clean or replace as required.
Gas Line
Check for gas leaks.
Burner Observation
Window
Make sure it is clean and free of cracks or holes.
Clean and replace as required.
Blower Scroll, Wheel and
Motor
Compressed air or vacuum cleaner may be used to clear dust and dirt.
Burner Cup and Orifice
Clear of obstructions (even spider webs will cause problems).
Carefully remove any dust and debris from the burner.
Direct Spark Igniter/Sense
Rod
Replace if there are cracked ceramics, excessive carbon residue, or erosion
of the Direct Spark Igniter/Sense Rod.
Thermostat
There should be no exposed wire or damage to the thermostat.
Suspension Points
Make sure the heater is hanging securely. Look for signs of wear on the chain
or ceiling.
Decorative and Protective
Grille (optional)
The grille must be securely attached.
Check that side reflector extensions are installed correctly and secured in
place if necessary. (Decorative grille only.)
Make sure shield is installed correctly and secured in place if
necessary. (Decorative grille only.)