Maintenance Filtering

Burn Risk

To avoid burns, use PPE when filtering oil or cleaning vat.

Be sure to use all McDonalds approved safety equipment including, apron, face shield and gloves. Never begin filtering or Deep Clean process until you’re wearing all safety gear. Hot oil can cause severe burns.

To avoid personal injury, do not move fryer or filter pan while containing hot oil. The filter pan must be as far back under fryer as it will go, and the cover in place. Be sure the hole in the cover lines up with the drain before opening the drain.

A new filter pad should be used on the first filter of each day, but the same filter pad can be used the rest of the day, except for fish vats. After filtering a fish vat, the filter pad MUST be changed.

  1. Ensure the filter pipe is tightly connected, the filter pan is as far back under fryer as it will go, and the filter pan cover is in place. If the filter pan or cover is not in place, “CHK PAN” displays.

  2. Ensure oil is hot: The best results are obtained when the frying oil is filtered at the normal frying temperature.

  3. Press and hold the Filter button (on either side) until display “1.AUTO FILTER?” displays.

  4. Press and release button and display shows “2.MAINT FILTER?”.

  5. Press the Confirm button for YES and “MAN FILTER” “YES NO” displays.

  6. Choose one of the following:

    • Press the Confirm button for YES to drop oil, “DRAINING” displays and the oil drains from the vat.

    • Press the Cancel button for NO and controls return to normal operation. (If control suspects oil in drain pan “CAUTION IS THERE OIL IN PAN? YES NO” may display. Ensure filter pan is empty before proceeding.)

    Fire Risk

    To avoid fire:

    • Do not allow baskets to impact heating elements.

    • Do not exert pressure on heating elements.

    Impact to the heating elements may shift or stretch coils and cause a fire.

    NOTICE -

    To avoid equipment damage, do not use element lifting tool near the high limit bulb.

  7. Once oil has drained from vat, use the lift tool and lift the hinged element from the vat to clean the bottom of the vat.

    NOTICE -

    To avoid equipment damage, do not clean stainless steel with abrasive tools, abrasive cleaners or corrosive chemicals.

    NOTICE -

    To avoid component damage, do not use pressurized water or a steam cleaner to clean unit. After cleaning vat, ensure that all components are dry before adding new oil.

  8. Use the Hi-Temp Pad Holder, pad, and a small amount of KAY QSR Fryer Cleaner to scrub the walls, corners and bottom of the inside of the vat. Use the Hi-Temp Detail Brush to remove soil built up and debris from coils, corners of vats and other hard-to-reach areas. Be careful not to damage sensing probes.

  9. Once vat is clean, display shows “SCRUB VAT COMPLETE?” “YES NO”, press the Confirm button for YES, “WASH VAT” “YES NO” displays.

  10. Lower element, press the Confirm button and “WASHING” displays. Oil circulates through vat and once wash cycle is complete, “WASH AGAIN?” “YES NO” displays.

    The WASH step of the first Maintenance Filter on a new filter pad lasts an extra 45 seconds to “break in” the pad.

  11. Choose one of the following:

    • Press the Confirm button for YES if another wash is needed,

    • If another wash is not needed, press the Cancel button for NO and display shows RINSING and fryer automatically rinses vat. When rinsing is complete, “RINSE AGAIN?” “YES NO” displays.

  12. Choose one of the following:

    • Press the Confirm button for YES if another rinse is needed,

    • Press Cancel button for NO. “POLISH?” “YES” displays.

  13. Press the Confirm button for YES, oil is “polished” by circulating it through filtering system. “5:00 STOP” displays and the oil is circulated through the filter system for 5 minutes.

  14. Once the oil is polished, the “FILL VAT?” “YES” displays. Press the Confirm button. “FILLING” displays and vat fills with oil.

  15. Once full, “IS POT FILLED?” “YES NO” displays. Choose one of the following:

    • Press the Confirm button for YES and fryer returns to normal operation.

    • If the Cancel button is pressed, “FILLING” displays and pump runs for 30 seconds and stops, “IS POT FILLED?” “YES NO” displays. After 3 tries, “ADD” “QUIT” displays. Press and hold the Confirm button to fill pot and release. Press the Cancel button and “IS POT FILLED?” “YES NO” displays. Press the Confirm button and fryer returns to normal operation.