TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
Page 1205 of 1563
TM 9-2815-220-24 PISTONS, RINGS, AND ASSOCIATED PARTS REPLACE/REPAIR 0142 00 WP 0142 00-7 Inside Width A B C INSPECTION (Continued) NOTE Piston ring locations are numbered from the top down. 5. Check the second (A), third (B), and fourth (C) ring grooves against limits specified below. a. Replace pistons that do not meet the following limits. Location Sizes and Fits of New Parts inches (mm) Wear Limits A (Inside groove width) 0.0990 (2.5146) 0.1000 (2.54) 0.1035 (2.6289) B (Inside groove width) 0.0980 (2.4892) 0.0990 (2.5146) 0.1025 (2.6035) C (Inside groove width) 0.1880 (4.7752) 0.1890 (4.8006) 1.1910 (30.2514) 4 6. Measure piston (4) skirt. a. Measure the piston diameter at the bottom of the skirt 90 degrees to piston pin (D). b. Replace pistons that do not meet the following limits. D Location and Size Sizes and Fits of New Parts inches (mm) Wear Limits D (Standard) D (0.0100-inch oversize) D (0.0200-inch oversize) D (0.0300-inch oversize) D (0.0400-inch oversize) 5.7410 (145.8214) 5.7510 (146.0754) 5.7610 (146.3294) 5.7710 (146.5834) 5.7810 (146.8374) 5.7420 (145.8468) 5.7520 (146.1008) 5.7620 (146.3548) 5.7720 (146.6088) 5.7820 (146.8628) 5.7380 (145.7452) 5.7480 (145.9992) 5.7580 (146.2532) 5.7680 (146.5072) 5.7780 (146.7612)