TM10-3930-660-34 16-12.1. INNER BOOK  - REPLACE/REPAIR (Cont’d) 8.    CONNECT  EXTEND  CHAIN  (3)  TO  CLEVIS  (30)  AT  REAR OF INNER BOOM (31). a.  Position chain (3) around extend chain sheave and align holes of chain (3) with holes in clevis (30). b.  Attach chain (3) to clevis (30) with pin (33). c.  Secure pin (33) with two retaining rings (32). 9.      CONNECT   TWO   HYDRAULIC   HOSES   (34)      TO   BOOM EXTEND CYLINDER (35). 10.    CONNECT  HOSES  (13,    14  AND  15)  TO  LINES  (16,    17 AND 18) AT TENSIONER. 11.    INSTALL  RETRACT  CHAIN  PULLEY  (4)  TO  FRONT  OF INTERMEDIATE BOOM (11). a.  With retract chain (12) around pulley (4),  align pulley (4) and intermediate boom holes.  Install pin (10). b.  Apply Loctite 242 to capscrew (8). c.  Install capscrew (8) and new lockwasher (9). NOTE Tighten nut (5) same number of turns as noted during removal. d.    Insert  clevis  (7)  into  hole  in  outer  boom  (2)  and  secure with flatwasher (6) and nut (5). 12.  TIGHTEN NUT (1) ON UNDERSIDE OF OUTER BOOM (2) TO  ADJUST  TENSION  OF  EXTEND  CHAIN  (3),     SEE TM10-3930-660- 20. 13.  ADJUST HYDRAULIC HOSE TENSION,  TM10- 3930-660- 20. 16-71