TM 10-3930-669-20 d. Assembly. (1) Position   four   grease   seals   (15)   on   universal joint (16). (2) Position universal joint (16) in driveshaft flange disk (4) and driveshaft (9). CAUTION Be   careful   when   removing   bearing caps.    Needle  bearings  may  fall  out and be damaged or lost. (3) Apply  grease  to  insides  of  four  bearing  caps (18) and install in driveshaft (9) and driveshaft flange disk (4). (4) Install   four   clips   (17)   on   driveshaft   (9)   and driveshaft flange disk (4). (5) Slide four grease seals (15) into place. (6) Position   four   grease   seals   (11)   on   universal joint (12). (7) Position universal joint (12) in driveshaft (9). (8) Apply  grease  to  insides  of  four  bearing  caps (14)    and    install    in    driveshaft    (9)    and    on universal joint (12). (9) Install two clips (13) on driveshaft (9). (10)  Slide four grease seals (11) into place. 9-5