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6.
MAINTENANCE
WARNING! MAINTENANCE MUST ONLY BE UNdERTAKEN BY A QUALIFIEd PERSON.
WE STRONGLY RECOMMENd THAT ALL SERVICING IS dONE BY YOUR LOCAL
SERVICE AGENT.
Looking after your AB heater will pay dividends, ensuring heat, as and when you need it
and avoiding frustrating operational problems.
IMPORTANT! We strongly recommend that you arrange for heater servicing during
the summer months to avoid being left without heat during the winter.
WARNING! Unplug unit from mains power supply before opening or servicing heater.
See Section 1 regarding electrical safety and maintenance.
6.1.
General. Keep the heater clean; wipe outer case with a damp, clean cloth. Do not use
abrasives. oil wheels if necessary. check heater for damage and immediately repair or
replace with authorised parts. contact your sealey service Agent.
6.2.
Fuel Tank.
6.2.1. for long term storage the fuel tank will need to be drained. the tank should be flushed
every 200 hours of operation or as required. there is a drain plug on the underside of the
fuel tank (fig.6). to remove the plug pull down the plug grip and remove the seal head from
the drain hole. Drain the fuel into a suitable container. using a small amount of fresh
paraffin, rinse and swirl the paraffin inside the tank and then drain fully.
6.2.2. replace the seal head back into the drain hole and push the plug grip into the seal head to
lock into position (fig.7).
6.3.
Spark plug (electrode). clean and check the plug gap every 600 hours, or replace if
necessary. clean the spark plug using a wire brush and set the gap to 3.5mm (fig.8).
6.4.
Air filter. the cast alloy compressor unit is protected by a three stage filter system (fig.9).
the intake filter should be cleaned every 500 hours, or more regularly if the appliance is
used in a dusty environment.
6.4.1. remove the fan guard and the filter end cover.
6.4.2. take out the intake filter, wash it using a light detergent and dry it thoroughly.
6.4.3. The Output and Lint filters should be replaced every 500 hours, or less if the operating
conditions demand.
6.5.
Fuel filter. the fuel filter (fig.10) should be cleaned twice per season, unless contamination
occurs where it will require cleaning immediately. to clean the filter, remove and wash in
paraffin.
6.6.
Nozzle. the nozzle should be cleaned or replaced at least once per heating season.
6.6.1. to clean dirt from nozzle, unscrew the four retaining screws and hinge open the top cover
of the heater.
6.6.2. remove the burner head and remove the nozzle (fig.11).
6.6.3. Blow compressed air through the front of the nozzle. for stubborn dirt, it is advisable to
soak the nozzle in clean paraffin to help loosen any particulates.
6.6.4. refit nozzle and burner head in reverse order to above.
6.7.
Flame-out device. the AB heaters are fitted with a flame-out device (a photocell, see
fig.12), which cuts the fuel supply should the flame be inadvertently extinguished, or if the
unit overheats. If this happens, switch off the heater and unplug from the mains supply.
check the heater to determine the fault. In particular check that the air intake is not
obstructed and that the internal fan is rotating freely. Wait a few minutes and restart the
unit. If the problem persists contact your local sealey service Agent.
6.8.
Fan. fan blades (fig.13) should be cleaned at least once per heating season (depending
on environment). remove the outer case and clean the fan blades with a damp cloth.
Dry fan thoroughly using compressed air.
fig.10 Fuel Filter
fig.12 Photocell Position
Original Language Version
fig.6 drain Plug Removal
fig.7 drain Plug Replacement
3.5mm
fig.8 Spark Plug Replacement
fig.9 Air Filter Replacement
fig.11 Nozzle Replacement
fig.13 Fan Replacement
AB70E, AB100E
Issue: 1 - 05/04/12
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