TM  9-2815-202-34 3-5. PREPARATION   OF   ENGINE   PRIOR   TO   REMOVAL   OF   ENGINE ACCESSORIES   AND   INSTALLATION   ON   MAINTENANCE   STAND   (Cont) (2) Draining and Cleaning. (a) (b) (c) (d) (e) (f) (9) (h) (i) Drain  engine  coolant  from  cylinder block  into  a  suitable  container,  by opening two drain cocks(3) located at rear of block on both sides. Drain coolant from oil cooler (4) by opening drain cock (5) on rear of cooler. After  coolant  has  been  drained,  close drain cocks (3 and 5). Using  a  separate  container,  drain engine oil by removing drain plug (6) in bottom of oil pan (7). Drain oil from oil cooler (4) by removing two plugs (8) in bottom of oil cooler. Reinstall oil pan drain plug (6) and two plugs (8) in bottom of oil cooler (4). Using  a  separate  container,  drain fuel oil from fuel filter (9) and fuel strainer  (10)  by  opening  drain  cocks (11) in bottom of filters. Close drain cocks (11). Seal all openings on the engine and accessories  with  waterproof  tape  or suitable  plugs  (Use  extreme  caution to keep foreign material out of working  parts  of  engine  assembly). 3-28