TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 6-34. PISTON AND CONNECTING ROD MAINTENANCE (TRUNK TYPE) (Cont) NOTE Tang on bearing shell must fit in indentation on connecting rod. (3) Install upper bearing shell (13) (without continuous oil groove) in connecting rod. Lubricate bearing shell with clean engine oil. NOTE Distance from vertical center line of connecting rod bolts to edges of rod are not equal. Therefore, when installing piston and connecting rod assembly, insure narrow side of two adjoining connecting rods are together to avoid cocking of rod. (4) I (5) (6) • • Position piston, rod, and liner assembly (27) above cylinder block bore. Aline identification number and letter on rod with outer edge of cylinder block and matchmarks on liner. Guide end of connecting rod assembly (12) through block bore carefully to avoid damaging or dislodging bearing shell. Then slide piston, rod, and liner assembly straight into block bore until liner flange rests against insert in block counterbore (6). Push piston and connecting rod into liner until upper bearing shell seats firmly on crankshaft journal. Place lower bearing shell (4) (with continuous oil groove) in connecting rod cap (3). NOTE Tang on bearing shell must fit in indentation in connection rod cap. Insure connecting rod bolt has not turned in connecting rod before torquing nut. - 6-42