TM 10-3930-669-34 (6) Install  fitting  (17)   on   mast   assembly   (15)   with lock nut (16). (7) Install  elbow  (13)  on  mast  assembly  (15)  with lock nut (14). (8) Install tee (12) on elbow (13). (9) Install elbow (11) on tee (12). (10) Install manifold (8) on pivot arm (6) with two lock washers (10) and screws (9). (11) Install four fittings (7) on manifold (8). 13-25