3.5 Burner Servicing
3.5.1 Twice Yearly Service
Undo the screw holding the blast tube to the burner (
fig 9
). Clean the diffuser and ignition electrodes taking care
not to wipe nozzle tip itself. Check electrode gap and adjust if necessary (
see fig. 10
). Clean inside burner, check
photo-resistor, electrical connectors and that all grommets are in place.
Reassemble
3.5.2 Twice Yearly Service
Annually, clean the oil pump and flue line strainers in addition to the half yearly service.
To Clean Oil Pump Strainer (
fig 11
).
a. Turn OFF the oil line isolating valve near to the appliance.
b. Break the flexible oil feed pipe joint as the inlet to the pump taking care to collect oil residue from the flexible
pipe and the pump.
c. Remove electricity connection socket from the solenoid .
d. Undo 4 x socket head screws which retain pump end cover.
e. Gently pull off end cover.
f. Remove pump strainer (filter) and wash with clean petrol or paraffin.
g. Re-assemble element and end cover in reverse order of removal.
To Clean Oil Line Filter
a. Turn off the line isolating valve fitted prior to the oil line filter.
b. Follow manufacturer’s instructions to remove filter element from the housing taking care to collect oil residue
from the filter housing,
c. Wash filter thoroughly in clean petrol or parrafin.
d. Re-assemble filter in reverse order of removal.
REPLACEMENT SPARES
IMPORTANT:
Isolate the electrical supplies to the appliance.
4.1 Burner
4.1.1 To Replace Burner Nozzle (
see fig 10
)
N.B. Nozzles should not be replaced or dismantled for cleaning nozzle filters unnecessarily. This should normally
be done if, after carrying out the routine service, the combustion check does not give acceptable results. Nozzles
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