TM10-3930-660-34 16-12.1. INNER BOOK - REPLACE/REPAIR (Cont’d) NOTE Adjust hoist and sling as required during steps 2,  3,  and 4 to provide work room when installing wear pad assemblies. NOTE All used wear pads installed in steps 2 through 4 must be at least 3/8 inch thick.  If wear pad is worn to less than 3/8 inch thick, discard old wear pad and replace with new wear pad. 2.  INSTALL TWO BOTTOM WEAR PAD ASSEMBLIES (PARTS 56-60). NOTE Shims (59 and 60) are used as required.  Install same quantity of shims (59 and 60) as noted during removal. a.  Lift inner boom (2) to provide adequate space between inner boom (2) and intermediate boom (11). b.  Position spacers (58),  shims (59 and 60),  wear pads (56),  and wear pad inserts (57) between intermediate boom (11) and inner boom (31).  Chamfered side of wear pad (56) must be facing towards inner boom (31). Widest portion of wear pad (56) must be facing towards outside of intermediate boom (11). c.  Apply Loctite 242 to capscrews (53).  Secure wear pad assemblies  (parts 56-60) to intermediate boom (11) with flatwashers (55),  new lockwashers (54),  and capscrews (53).  Torque capscrews (53) to 30 lb.  ft. 3.  INSTALL TWO SIDE WEAR PAD ASSEMBLIES (PARTS 49-52). 16-67