TM 10-3930-669-20 (10) Remove four nuts (40), washers (41), and filter tray (6) from forklift (43). b.  Installation. (1) Install   filter   tray   (6)   on   forklift   (43)   with   four washers (41) and nuts (40). (2) Install   hose   (38)   on   AOAP   valve   (39)   and tighten fitting (37). 4-45