TM  10-3930-638-24&P 4-2.   ENGINE   MAINTENANCE   (cont) f. Pistons and Connecting Rods (cont). 17 STEP LOCATION ITEM ACTION REMARKS INSTALLATION  (cont) NOTE (cont) Check that stamped arrow on top of piston (4) is pointed towards front of engine and numbers on bearing end of connecting rods (3) face camshaft when performing following step. b. Piston (4) and Position In cylinder bore, halfway in connecting rod  (3) NOTE Check that piston rings (5, 6, and 7) are fully seated in piston (4) grooves. c. Piston ring compres- Install  and On piston (4). Tighten a little at a time, sor tool tighten making sure piston rings are free to compress d. Piston (4) Install Gently tap down into cylinder block bore using wooden dowel e. Piston ring compres- Remove sor tool 18 Connecting rod Bearing liner (12) Install Use  sliding  movement  to  install;  don’t cap (2) press on center of liner. Be sure bearing liner lock is aligned with cap (2) lock groove 19 Cylinder  block, a. Crankshaft Clean Connecting  rod  journals;  use  clean bottom cloth b. Plasti gage Position Crosswise on connecting rod cap liner (12) 4-50