Filter
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• Verify that all O-rings and seals (including those on the Power Shower and on quick-disconnect
fittings) are present and in good condition. Replace o-rings and seals if worn or damaged.
• Check filtration system integrity as follows:
− Verify that filter pan cover is present and properly installed.
− With the filter pan empty, place each oil return handle, one at a time, in the ON position. Verify
that the pump activates and that bubbles appear in the cooking oil/shortening (or that gurgling is
heard from the Power Shower port) of the associated frypot..
− Close all oil return valves (i.e., place all oil return handles in the OFF position). Verify proper
functioning of each oil return valve by activating the filter pump using the lever on one of the oil
return handle microswitches. No air bubbles should be visible in any frypot (or no gurgling
should be heard from the Power Shower ports).
− Verify that the filter pan is properly prepared for filtering, then drain a frypot of oil heated to
350°F (177°C) into the filter pan and close the frypot drain valve. Place the oil return handle in
the ON position. Allow all cooking oil/shortening to return to the frypot (indicated by bubbles in
the cooking oil/shortening or, on units with Power Showers, cessation of oil flow from the Power
Shower). Return the oil return handle to the OFF position. The frypot should have refilled in no
more than 2 minutes and 30 seconds.