TM    5-2815-241-34&P CYLINDER  BLOCK  -  CONTINUED ACTION LOCATION ITEM REMARKS REPAIR WARNING Repair  of  engine  must  be  performed  on  engine  repair  stand  (page  2-11).  Due  to excessive weight assistance will be needed to prevent injury when lifting heavy parts. 24. Cylinder block (1) Eroded  water  passage holes  (2) a. Using   ST-1010   water   hole   counterboring tool,  enlarge  water  passage  hole  for sleeve. b.    Slide  sleeve  onto  stop  end  of  ST-1010-9 bushing  driver. c. Aline sleeve in top of water passage hole. d.  Using  16-ounce  ball-peen  hammer, strike  ST-1010-9  bushing  driver  to  drive sleeve into water passage hole until it bottoms. Sleeve  will  protrude  above  surface of  cylinder  block. NOTE If cylinder block is to be resurfaced, it is not necessary to file sleeve flush with top of cylinder block. If cylinder block is not resurfaced, perform step e. e. Using a wide flat mill file, file sleeve  flush  with  top  of  cylinder block. TA   242434 2-153