TM10-3930-660-34 16-12.1.  INNER BOOM - REPLACE/REPAIR (Cont’d) b.    Lift  inner  boom  (31)  and  remove  wear  pad  (56), wear    pad    inserts    (57),         spacers     (58)     and shims(59 and 60). 16. REMOVE INNER BOOM (31) FROM INTERMEDIATE BOOM (11). a. Using  chain,  rope,  or  hand  winch,  attach  outer boom (2) to intermediate boom (11). b. Pull out inner boom (31) from intermediate boom (11) approximately 12 feet. NOTE Center  of  gravity  for  inner  boom  (31)  with  extend  cylinder (35)  is  approximately  92  inches  from  front  end  of  inner boom (32). c. Reposition hoist  and  sling  at  center  of  gravity  for inner   boom(31).      Place   spreader   bar   between slings at underside of boom (31). NOTE Have  assistant  guide  hoses  (13,    14,  and  15),    and boom electrical cable (25) from intermediate boom (11) as inner boom (31) is removed. d. Slowly remove inner boom (31) from intermediate boom (11) while guiding hoses (13, 14,    and  15),  and  boom  electrical  cable   (25), from intermediate boom (11). e. Untie rope from boom electrical cable (25). f. Place inner boom (31) on supports. 16-63