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The heater outlet is very hot during operation and after use. DO NOT touch! Use personal protecting equipment if needed.
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8. MAINTENANCE
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Regularly wipe the cover using a soft sponge or cloth. For very dirty parts, use a sponge wetted with lukewarm water and a mild
detergent, then dry using a clean cloth.
9
Keep air inlet and fan free from dust and dirt. To clean inner parts, gently blow compressed air through air inlet.
9
Regularly inspect the power cable: if worn, cracked or damaged have it replaced by technical service.
Before storing the heater, make sure it is perfectly cool and dry. Cover the unit with a plastic bag, put it in its packing box and store it in
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a dry, ventilated place.
Before starting any maintenance task, shut down, unplug and let the heater cool down for at least 15 minutes.
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DO NOT attempt any electrical repair yourself. If the heater needs service or repair, contact a qualified technician.
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DO NOT use a faulty unit unless a qualified technician has inspected and repaired it.
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When cleaning, make sure that water does not enter the unit.
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8
DO NOT open the enclosure to clean the inner parts. DO NOT spray water into the heater.
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Never use solvents, gasoline, toluene and similar aggressive chemicals to clean the heater.
Filter Sump
fig.3
The following checks BY QUALIFIED PERSONNEL ONLY are recommended before every seasonal use:
NOTE:
8.1.
FUEL FILTERS
8.1.1.
Clean fuel filters by unscrewing the filter tray (clockwise) Remove the filter cartridge and wash it with petrol or replace it if necessary.
Check seal O-ring and replace it if necessary. Reassemble the sump (Fig.3). The fuel filter installed on the gear pump should be
cleaned or replaced if necessary by unscrewing cap H (see Fig. 6)
8.2.
EXTRACT THE BURNER HEAD FIG.4
8.2.1.
BURNER BLADES
8.2.2.
Clean the burner blades (Fig.4) by using a brush and then blowing compressed air on them. To get good combustion, the air flow
openings in the whirl disc should be perfectly clean and free.
8.2.3.
NOZZLE
8.2.4.
Carefully unscrew nozzle from nozzle fitting. Blow compressed air through nozzle orifice to free it from dirt. Replace nozzle if
necessary.
8.2.5.
IGNITION ELECTRODES
8.2.6.
Clean, adjust and if necessary replace ignition electrode. For electrode gaps see Fig. 5 (dimensions in mm).
fig.5
fig.6
8.3.
AIR COLLAR AND FUEL PRESSURE ADJUSTMENT (FIG.6, FIG.7)
8.3.1.
The air collar and fuel pressure settings are factory set and must be checked and adjusted by qualified technicians only. Tampering
with the unit may be dangerous.
© Jack Sealey Limited
fig.5A
fig.7
Original Language Version
Burner
Blades
fig.4
AB2380, AB3412.V2
Issue 1
23/05/2022
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