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Reply to "WSR-1 whistle relay"

What I use to clean, dress, contacts depends on their condition.  I have abrasive paper on the bench from 220 to 2500 grit.  If contact is pitted I might start with a fine file. On the tape, for a thin layer I use the Scotch matte finish magic tape. Some repairmen use electrical tape. 

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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