Norstan, Inc.

15. Copper and machine composite parts, (especially those with holes) must be thoroughly cleaned and dried prior to packaging to prevent discoloration and oxidation. Appearance, (bright and shiny) is important to most customers.

16. Copper on silver faces is unacceptable.

17. Loose discís and backings mixed in with finished parts is unacceptable. They jam feeding systems and give customers the impression that they are becoming unbonded.

18. Burnisher must observe tumblers to determine if loose parts are stuck to the sides of tumbler. Notify Q.A.

19. Scaler must observe parts to detect loose, damaged, foreign, or incomplete parts during scaling operation.Notify Q.A.

20. Burnishing operator must not exceed prescribed cycle time. Over tumbling will roll up edges and damage faces.

21. Tumbling media must not contain any sources of silica. This substance is highly resistive and can cause switch failure.

22. Do not handle phos-bronze blades or tungsten discís with bare hands. Use tops or white gloves, otherwise fingerprints will appear on parts.

23. Use extreme caution when consolidating and handling parts to prevent accidental spillage. Even small quantities of foreign parts mixed in with good parts and create major problems with customers feeding systems. They jam systems and cause excessive downtime.

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©1999 Norstan Inc.