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MAINTENANCE:
Always keep the heater area clear and free from combustible
materials, gasoline and other fl ammable vapors and liquids.
Keep the vent areas (slots in the bottom and the top at the front
of heater) clear at all times so combustion is ventilation air is not
obstructed. Visually inspect the pilot fl ame and burner periodical-
ly during use so combustion and ventilation air is not obstruct-
ed. The pilot fl ame should be blue in color (not yellow) and will
extend beyond the thermocouple. The fl ame will surround the
thermocouple just below the tip, see Figure 4. A slight yellow
fl ame may occur where the pilot fl ame and main burner fl ame
meet. The burner(s) should be bright orange (with a slight blue
color around the border, a red-orange haze that is visible on
the burner is acceptable) and without a noticeable fl ame. A blue
fl ame that rolls out at the top indicates an accumulation of dust,
lint or spider webs inside the main burner assembly. If the pilot
is yellow or the burner has a noticeable fl ame, cleaning may be
required. Use the following procedure to inspect main burner
assembly. It is necessary to periodically check the burner(s)
orifi ce and burner venturi tube to make sure they are clear of
insects/nests or spider webs that may accumulate over time. It is
strongly recommended that these maintenance instructions be
performed annually. A clogged tube can lead to a fi re.
1 Allow heater to thoroughly cool before performing
any maintenance.
2 Remove disposable 1 lb. cylinder from heater or turn OFF
gas supply at remote cylinder valve, and disconnect
hose from heater.
3. Inspect and clean main burner orifi ce located at bottom
of burner venturi tube, by using a vacuum or apply air
pressure at orifi ce opening.
4 Inspect and clean pilot (mounted to bracket) by using a
vacuum or apply air pressure through the holes in the pilot
indicated by the arrows in Figure 5.
WARNING: Never use needles, wires, or similar cylindrical
objects to clean the pilot to avoid damaging the calibrated
orifi ce that controls the gas fl ow.
5 Apply air pressure onto burner tiles and pilot to remove dust
lint or spider webs.
6 Use a vacuum or compressed air to blow dust/dirt off the
burner to clean the pilot.
7 Clean outer casting with a damp cloth.
Fig. 4 - Burner Orifi ce Location
Fig. 5 - Pilot Assembly
Venturi tube
Fig. 6 - Burner Assembly
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
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