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 (Cont.) ● ● g. NOTE Maximum liner out of round and taper is 0.002 inch. Maximum block bore diameter is 4.6285 inches for standard liner. If block bore exceeds limit, block must be bored oversize. Measure each liner on outside diameter for size in three places (under flange, between flange and ports, and above ports). Cylinder bore size is average of three measurements. Fitting Cylinder Liner In Block Bore CAUTION (1) (2) If a new liner and piston are installed in block without properly fitting a liner, galling and seizing of piston may result. Wipe inside and outside of liner clean and clean block bore and counterbore thoroughly. Place a standard size cylinder liner insert (3) (0.1795-0.1800 inch thick) in block counterbore. NOTE If a new liner cannot be pushed in place, lightly hone block bore to obtain desired fit. (3) Push cylinder liner (1) into cylinder block bore (8) until liner flange rests on insert (3). Liner should slide smoothly in place with hand pressure. (4) Install a cylinder liner hold down clamp (9) at top of liner (1). Torque two bolts to 50 Ib-ft (68 N-m). 4-150 Change 1