MIL-HDBK-740 Dishwashing OperationsThis handbook contains information concerning the equipment, supplies, and procedures for the cleaning of tableware in single-tank and multiple-tank dishwashing machines, hand washing in kitchens and hand washing in the field.

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MIL-HDBK-740

SECTION VI - STAIN REMOVING PROCEDURES

A.  Operation.- A satisfactory stain remover has been developed by the militaryy for use in either hard or soft water for the removal of coffee, tea and other absorbed food stains from tableware, glassware, plasticware

and serving trays and for removing coffee stains from stainless steel coffee

urns (not aluminum urns).  This stain remover is covered by FSN 7930-282-0685. It should be stored in a tightly closed container in a cool dry place.

STAIN REMOVER, TABLEWARE, SHOULD NOT BE USED ON ALUMINUM EQUIPMENT.

serving

1.  Removing stains from tableware, glassware, plasticware and

a.  Sinks, steel or porcelain tubs, crocks, "GI" cans and

similar containers may be used to hold the stain removing solution. A

dial-type thermometer should be placed in the solution to determine the

proper operating temperature.  Rinse tanks of dishwashing machines can be used if other facilities are not available.  Aluminum equipment should not

be used. Avoid skin contact.  Avoid breathing of dust from the stain remover.

b.  Dissolve the stain removing compound in the ratio of 1 to

2 pounds to 12 gallons of hot water (170°F to 180°F). Completely immerse

tableware and other serving utensils (except flatware) in the stain removing

solution at 180°F for approximately one hour or until stains are removed.

DO NOT STACK TABLEWARE IN THE SOAK SOLUTION.

c.  Rinse tableware and other serving utensils (except flatware) thoroughly with a strong stream of cold water after removing the stain.  Steel wool scrub brushes or other abrasives should never be used to remove stains from tableware and other serving utensils.

d. Wash and rinse the tableware, glassware, plasticware, and serving trays in a dishwashing machine using the recommended machine dish- washinig procedures as specified in Section III.

e. Allow the tableware and other serving utensils to be air dried before placing them in a clean area.

2. Removing stains from coffee urns (except aluminum).- stain remover, FSN 7930-282-0685, should be used for destaining coffee urns according to the following procedures:

a. Fill and heat the hot water boiler (170°F to 180°F). b.  Drain leftover coffee from the urns.

c. With coffee faucet open, open top of urn and rinse with hot water (170°F to 180°F).

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