Oil Spraying Burner; Water Filter, Cleaning Agent Filter, Fuel Oil Filter - Frank FH 711 DMP Operating Instructions Manual

Clean heating coil with the cold water high-pressure jet.
Thoroughly clean coiled tubing and opening on the in- and outside.
Properly drain and dispose of dirty water.
Dry clean water heater coating on the inside.
Use brush to remove dirt particles.
Reassemble removed parts.
The ceramic sealing profile of the heating coil cover must be replaced using the proper
quality and dimensions. Check the chamotte plate for breakage or fissures and replace if
necessary.
Replace insulating disk if damaged.
Seal opening between chamotte plate and guiding ring with bag in the area of the "bag" with
the help of the ceramic sealing profile. Securely tighten the 3 fastening screws on the heating
coil cover, but do not use too much force to prevent the heating coil cover from deforming.
Mount high-pressure pipe and associated joints, particularly the brass connectors on the
entering and exiting side of the heating coil, so that they are sealed against presssure.
6.4 Oil spraying burner
6.4.1 Setting
The correct burner adjustment must be controlled through regular checks of its function and
exhaust gas rates. If necessary, have the burner readjusted by an expert technician.
6.4.2. Burner nozzle
In case of trouble, check burner nozzle for contamination, replace if necessary. After loosen-
ing the two socket head screws and a short twist of the burner in its bayonet catch, remove
burner from its mounting plate.
Unscrew the two socket head screws until the flame tube may be removed from the burner
housing. Unscrew and clean nozzle, replace if necessary.
A T T E N T I O N !
The burner nozzle has been designed for the heating performance and operating conditions
of the machine. If a replacement of the nozzle is required, you may only use the nozzle type
specified for the machine in question. Make sure the distance of the lighting electrodes is not
modified - see also special dimensioned drawing.
6.4.3 Oil pump with filter
Regularly check pump filter for contamination and clean if necessary. For this purpose,
unscrew filter/pump cover and take out filter insert.
6.5 Water filter, cleaning agent filter, fuel oil filter
Regularly check suction filter within the water inlet tank, chemical filter on the suction hose
and the fuel oil filter in the funnel and clean, if residues have settled on the filter surface.
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