7-14.  CRANKCASE  BREATHER CRANKCASE  BREATHER  TUBE a.  Removal TM9-2815-202-34 REPLACEMENT   (Cont) REPLACEMENT (1) (2) (3) (4) Remove bolt (17), nut (18), and Iockwasher  (19)  securing  clip  (20) and tube (21 ) to bracket (22). Remove tube. If necessary, remove clip from tube.  Discard  Lockwasher. Loosen  two  clamps  (23)  securing hose (24) to tube (21) and breather pipe (25). Remove tube from hose. Remove two clamps (23) from hose (24). Remove hose from breather pipe (25). If necessary, remove nut (26) and Iockwasher (27) from bolt (28) securing  bracket  (22)  to  flywheel housing.  Discard  Iockwasher. NOTE Do  not  remove  breather  pipe  unless damaged.  Removal  of  pipe  will destroy it and require its replacement. (5) If necessary, remove breather pipe (25) from cylinder block. b.  Inspection (1) Inspect breather pipe and tube for cracks,  holes,  or  other  damage. (2)  Inspect  hose  for  cuts,  cracks,  or brittleness. c.  Installation (1)  If  removed,  secure  bracket  (22)  to  bolt  (28)  with  nut  (26)  and  Iockwasher  (27)  to  flywheel housing.  Torque  bolt  25-30  Ib-ft  (34-41  N-m). (2)  If  removed,  drive  new  breather  pipe  (25)  into  cylinder  block  with  a  piece  of  wood  and  soft- headed hammer until distance from surface of block to top of pipe is 5.75 inches (14.6 cm). 7-14