NMWR-9-2815-220 Overhaul Manual for M60 M88 Engine AVDS-1790-2CA, AVDS-1790-2DA, AVDS-1790-2DR Download
Page 187 of 1014
NMWR 9-2815-220 PISTON AND CONNECTING ROD ASSEMBLY OVERHAUL—Continued 0011 00 Table 5. Overhaul Inspection Procedure for Internal Combustion Standard Piston (OIP 11683943) (Item 8, Figure 6) – Continued. QA NO. REF. CHARACTERISTIC INSP. REQUISITE REQ. LTR. METHOD 6 D Inside diameter of Measure 2.1267 – 2.1270 in. piston pin bore in (54.0181 – 54.0258 mm) piston 7 E Inside width of oil Measure 0.1880 – 0.1890 in. control ring groove in (4.7752 – 4.8006 mm) piston 8 F Inside width of lower Measure 0.0980 – 0.0990 in. intermediate groove in (2.4892 – 2.5146 mm) piston 9 G Inside width of top Measure 0.0990 – 0.1000 in. intermediate groove in (2.5146 – 2.54 mm) piston 0011 00-17 Change 1