TM  9-2815-202-34 5-27.   ENGINE   LOWER   FRONT   COVER   REPLACEMENT   (Cont) (7) Place vibration damper (10)against hub (4) with dished side of damper towards inner side of hub  flange. CAUTION When attaching damper hub (4) to vibration damper (10), insure two dowels in hub aline with two smaller holes in vibration damper. Incorrect assembly will allow for movement between hub and damper and serious engine damage will result. (8) (9) (10) Attach vibration damper (10) to hub (4) with six bolts (8) and six Iockwashers (9). Torque bolts to 57-61 lb- ft (77-83 N-m). Slide inner cone (7), damper assembly (5), outer cone (6), and spacer (2) on end of crankshaft. Install bolt (1) in end of crankshaft, NOTE Secure gear train in place to prevent crankshaft from turning during installation of front crankshaft  bolt. (11  )  Tighten  crankshaft  end  bolt  (1)  as  follows: (a) (b) (c) (d) Torque bolt to 180 Ib-ft (244 N-m). Strike end of bolt a sharp blow three times with 3 pound soft- head  hammer. Torque bolt to 300 lb-ft (407 N-m) and strike bolt again three times. Torque bolt to 290-310 Ib-ft (393- 421 N-m). Do not strike bolt after final  torque  has  been  applied. END   OF   TASK Para   Description 5-19 Install oil pan 5-32 C  h  a  n  g  e       1