TM 5-4320-302-146-16.PISTON ASSEMBLY (CONT)Location/ItemActionRemarksNOTEExcessively worn pistons, rings, or cylinders may be an indication of abnormal maintenance practices oroperating conditions. Check for and correct any abnormalities.6.PistonInspect piston, piston skirt, and all grooves for excessive wear and damage. Examinepiston for scoring, fretting, pitting, cracks (especially on the interior surfaces), damagedring grooves or lands, or indications of overheating. Slight scoring may be cleaned withP-C-458 crocus cloth. Follow procedure described under repair.7.CylinderIf piston is badly worn or damaged, check cylinder for excessive out-of-round, highspots, or other damage in accordance with paragraph 6-15.6-110
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