TM 9--2815--247--34 0069 00--8 PISTONS, RINGS, AND ASSOCIATED PARTS REPAIR -- CONTINUED 0069 00 Inspection -- Continued 12. Place each ring (1, 2, 3, or 4), one at a time into the appropriate ring gauge (23). NOTE Ring gauges are identified according to ring size. Some gauges are duel purpose tools, i.e., each side for a differ- ent size ring. 13. Measure end gap of each ring with thickness gauge (24). Replace rings that do not meet the following limits. REF NO. POINT OF MEASUREMENT SIZES AND FITS OF NEW PARTS inches(mm) WEAR LIMITS 1 2 Gap clearance of top compression and second groove ring when fitted in gauge 0.0400 (1.016) 0.0500 (1.27) None 3 Gap clearance of intermediate com- pression ring when fitted in gauge 0.0300 (0.762) 0.0400 (1.016) None 4 Gap clearance of oil control ring when fitted in gauge 0.0200 (0.508) 0.0400 (1.016) None Figure 8 23 4 3 2 1 24