TM 10-3930-659-34 5-3. PISTON, CONNECTING ROD, AND CONNECTING ROD BEARING MAINTENANCE (Con’t). 5. Using  flywheel  turning  tool   (6),   rotate   flywheel until piston (10) is at bottom of stroke. CAUTION When  removing  main  bearing  cap,  ensure  that  lower  main  bearing  does  not  fall  out  of  main bearing cap. If lower main bearing falls out, damage may occur. 6. Remove two bolts (7) and main bearing cap (8) from connecting rod (9). Discard bolts. CAUTION Note position of piston and connecting rod to aid during installation. Failure to Install in correct location may damage parts. 7. With the aid of an assistant, tap bottom of piston (10) and connecting rod (9) with a block of soft wood. Remove piston and connecting rod from top of engine block (1). TA708137 5-24