TM10-3930-660-34 16-12.1.  INNER BOOM - REPLACE/REPAIR (Cont’d) INSPECTION See Inspection Instructions,  para.  2-11. ASSEMBLY 1. IF REMOVAL WAS NECESSARY,INSTALL BOOM ELECTRICAL  CABLE  TO  INNER  BOOM,    TM10-3930- 660-20. 2.        IF    REMOVAL    WAS    NECESSARY,    INSTALL    BOOM HYDRAULIC   HOSES   TO   INNER   BOOM,      TM10-3930- 660-20. 3.        IF    REMOVAL    WAS    NECESSARY,    INSTALL    BOOM EXTEND CYLINDER INSIDE INNER BOOM,  TM10-3930- 660-20. 4.  IF REMOVAL WAS NECESSARY,  INSTALL WEAR PADS TO INNER BOOM,  PARA. 16-14. 5.    IF  REMOVAL  WAS  NECESSARY,    INSTALL  RETRACT CHAIN (12) TO INNER BOOM (31). a.    Secure  clevis  (63)  to  retract  chain  with  pin  (65)  and retaining rings (64). b.  Secure clevis (63) to inner boom (31) with pin (62) and new cotter pin (61). INSTALLATION NOTE Remove   caps   and   plugs   as   hoses   are   installed.      Wipe   all sealing  surfaces  on  hydraulic  components  and  hoses  clean and dry.  Apply film of clean hydraulic oil to all seals as they are installed. NOTE Be sure that wood block placed between boom extend cylinder (35)  and  inner  boom  during  inner  boom  removal  remains  in lace during inner boom installation. 16-65