TM10-3930-660-20 18-22. BOOM HOSE PULLEY -   REPLACE (Cont’ d) 11. IF NECESSARY, REMOVE PARTS (20) THROUGH  (33). a. b. c. d. e. Remove two capscrews (20) , two flatwashers (21) , and two locknuts (22) from bearing (23) . Discard locknuts  (22). Remove bearing (23) from pulley support  (19). Remove capscrew (24) , flatwasher (25), and locknut (26). Discard locknut  (26). Remove capscrew (27), lockwasher (28), and bearing (29) from pulley support (30). Discard lockwasher (28) . Remove two capecrews (31), two lockwashers (32), spacer (33), and pulley support (30). INSTALLATION 1. IF REMOVED, INSTALL  PARTS (20) THROUGH  (33). a. b. c. d. Install two capscrews (31), two new lockwashers (32), spacer (33), and pulley support (30). Install capscrew (27), new lockwasher (28), and bearing (29)  to  pulley  support  (30). Install capscrew (24), flatwasher (25),  and  new  locknut  (26). Secure bearing (23) to pulley support (19) with two capscrews (20), two flatwashers (21), and two new locknuts (22). 18-87