1. (1) You must make sure flange bearing surfaces are in good condition.

2. (2) You must replace or remachine any flange with a mounting surface that has any of the following problems:

   1. (a) Warped;
   2. (b) Burred on the bearing surface;
   3. (c) Excessively worn (thickness or diameter);

   4. (d) Out of true.

      Note:

      Flanges that are refaced or trued need to satisfy minimum dimension requirements specified in ANSI B7.1-2000, Safety Requirements for the Use, Care and Protection of Abrasive Wheels.

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050. WSR 15-23-086, § 296-807-18055, filed 11/17/15, effective 12/18/15. Statutory Authority: RCW 49.17.010, [49.17].040, [49.17].050, and [49.17].060. WSR 03-09-009, § 296-807-18055, filed 4/4/03, effective 8/1/03.]