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-12-
23. The residual oil now left in the base of the filter tank should now be mopped out and the filter tank
cleaned out dry. Do not use a soapy solution to wash out the filter tank as soap is alkaline based
and it is alkali’s that are responsible for rapid oil breakdown.
24. Place the filter bag and filter bag frame back into the filter unit by positioning the legs of the filter
bag frame into the rear positioning holes in the top of the filter tank so that the filter bag frame
rests down on an angle and the filter bag frame handle sits flat on top of the pump housing.
25. Switch off the electrical supply and disconnect the filter supply cord. Wind the supply cord back
around the filter handle and cord hanger in a clockwise direction tidily.
26. The filtering process is now complete and the filter can be pushed back under the fryer for
stowage.
Important Points to Remember When Filtering
a) Always ensure the oil temperature is safe for the filtering process.
Ideally it should be between 120° - 150°C.
b) Always ensure the reverse flushing operation for the pump system is conducted to eliminate the
possibility of blockages occurring in the pump system particularly when using shortening.
NOTE: If this procedure is not conducted or if the residual shortening left in the base of the filter tank
at the end of a filter operation is not mopped out and the shortening has been left to solidify,
it will be necessary to either:-
i) Remove the solid shortening from the base of the filter tank (ensure bleed hole in pick
up tube is also free of shortening, refer figure B.) before starting the next filter
operation.
ii) When next filtering leave the hot oil or shortening in the filter tank for 10-15 minutes to
allow the hot oil to melt any solid shortening left in the base of the filter tank or in the
pump pick up tube inside the filter tank.
OPERATION
c) The filtering process is designed to be conducted with the operator always in attendance. Do not
leave the filter unit pumping oil unattended.
d) Under heavy use situations, the sediment etc accumulated in the cool zone of the fryer may
require the filtering process to be conducted twice.
e) Due to the temperature of the oil being pumped, filtering should always be done with due caution
being taken. Never touch the return delivery tube except for the insulated handle.
Figure B.
Pick up tube bleed hole.
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