TM 5-3895-370-14&P5-67. PISTON AND CONNECTING ROD REPLACEMENT/REPAIR (CONT).WARNINGCompressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only witheffective chip guarding and personal protective equipment (goggles/shield, gloves, etc).(3)Dry all parts using compressed air or lint-free cloth.(4)Check piston and connecting rod for excessive wear and other damage. Replace parts failing inspection.(5)Check remaining parts for wear and other damage. Replace parts failing inspection.(6)Measure each piston (1) at position A Normalmeasurement is 4.0088 to 4.0117 in. (101.8235101.8972 mm). If above or below limits, replacepiston.(7)Measure each piston (1) at position B. Normalmeasurement is 1.5750 to 1.5758 in. (40.00540.0253 mm). If above or below limits, replacepiston.(8)Measure each wrist pin (2) at position C. Normalmeasurement is 1.5744 to 1.5749 in. (39.989840.0025 mm). If above or below limits, replacepiston pin.(9)Install each ring on piston (1) and measure ringclearance (position D). If above or below limits,replace ring. Normal measurements are asfollows:(a)Top ring is 0.003 to 0.0059 in. (0.0760.1499 mm).(b)Intermediate ring is 0.003 to 0.0059 in.(0.076 0.1499 mm).(c)Oil control ring is 0.0016 to 0.0051 in.(0.0406 0.1295 mm).(10)Measure each connecting rod (3) at position E.Normal measurement is 1.5769 to 1.5784 in.(40.0533 40.0914 mm). If above or below limits,replace connecting rod.5-282
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