TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM 9-2815-202-34 4-34. CYLINDER LINER MAINTENANCE (5) Check inside diameter of liner for glazing, cracking, scoring, and unusual wear. (6) Replace cracked, scuffed, or scored liners. d. Measurements (Cont.) (1) (2) (3) Measure block bore and outside diameter of liner. If liner to block clearance exceeds 0.0025 inch, block must be bored for an oversize liner. Using liner O.D. measurements from four positions (0.625, 3.375, 5.875, and 9.875 inches from top of flange), classification of liner O.D. is determined as average of these measurements. Install liner in proper bore - based on measurements in step (1) - of cylinder block. Measure inside diameter of liner at 14 places shown using cylinder bore gage (5). 4-146 Change 1