TM 9-2815-225-34&P 3-34. ENGINE BLOCK REPAIR (Contd) LOCATION/ITEM ACTION REMARKS a.  Disassembly 1. Six cylinder sleeves (2), Remove from engine block (14) Refer to para. 3-30. cylinder sleeve shims (31 if not removed during engine through 36), gasket (3), disassembly. black preformed packing (4), and red preformed packing (5) 2. Five plugs (7), four plugs Remove from engine block (14) (26), plug (27), washer (28), if not removed during engine two plugs (29), and five disassembly. plugs (30) 3. Fourteen screws (18), Remove from engine block (14) Refer to para. 3-31. washers (17), and seven if installed after crankshaft bearing caps (19), (20), and removal. (21) 4. Cap (25) Remove from engine block (14). Use a hammer and punch to remove.  Discard cap (25). b.  Cleaning WARNING Approved  solvents  may  be  flammable  and  will  not  be  used  near  open  flame.    Use  only  in well-ventilated area.  Failure to comply may result in injury to personnel. CAUTION Do  not  immerse  engine  block  in  a  hot  cleaning  solution  without  removing  bearing  sleeve and  six  camshaft  bushings.    Permanent  damage  to  bearing  sleeve  and  camshaft  bearing surface will result. 5. Engine block (14) Clean as follows: a.  Steam-clean exterior and Refer to para. 3-6.  Scrape off any interior surfaces.  Clean area to be remaining gasket material from checked with SD-3 solvent. mating surfaces.  Remove engine block (14) from maintenance stand if necessary (para. 3-13). b.  Clean all oil and coolant Use suitable size brushes and passages. extension rod to clear passages. c.  Wire brush counterbore and Area where cylinder sleeves (2) lower bore. are positioned. 3-86