TM 10-3930-653-14&P 22.  Remove front cover and gasket. 23.  Remove chain tensioner. 24.  Remove    camshaft    sprocket.    Crankshaft  sprocket and timing chain simultaneously. Fig. 4-30.  Removing Timing Chain 25.  Remove crankshaft gear shim, if installed.  Shim can be removed by taking a woodruf key off. 26.  Turn engine over. 27.  Withdraw valve lifters.  Lay out removed valve lifters in proper order (by cylinder). 28.  Remove connecting rod caps. Pre-set  crankshaft  pin  to  top  or  bottom  dead  center (TDC or BDC).  Be careful that pistons do not drop.  Lay out bearings according to applicable pistons. Fig. 4-31.  Removing Connecting Rod Cap 29.  Remote   flywheel.      Straighten   bent   tongue   of   lock pate with a chisel or other appropriate tool. 30.  Remove rear plate 31.  Remove  rear  main  bearing  cap  and  rear  oil  seal. When removing rear oil seal from knock pin (positioning pin), be careful not to damage oil seal housing. Fig. 4-32.  Removing Rear Main Bearing Cap 32.  Remove  (pull)  pistons  in  direction  of  cylinder  block fire  deck  (toward  cylinder  block).    Temporarily  secure cap     and     connecting     rods     so     that     they are not interchanged  (mixed)  and  lay  them  out  in  proper  order for each cylinder. 33.  Remove two bolts attaching camshaft locating plate. Then remove camshaft, taking care not to damage metal surfaces. 34.  Remove   bearing   caps   from   crankshaft.      Remove seals  from  both  sides  of  rear  bearing  cap  together  with crankshaft bearing cap. 35.  Remove crankshaft and bearings. After   bearings   are   removed.      lay   them   out   with corresponding  caps  so  that  the)  are  not  inter-changed (mixed). Fig. 4-33.  Removing Crankshaft 36.  Remove valves and valve springs. After valves and valve springs are removed, lay them out  by  individual  cylinders.    Be  careful  not  to  lose  or damage  rubber  ring  on  end  of  intake  valve  stem  when removing valves. 4 - 26