TM 9-2320-365-20-4
19-7. AIR TRANSPORTABILITY HYDRAULIC SYSTEM SERVICE (CONT)
(5) Remove filler plug (9) from back-up hydraulic pump (4).
(6) Fill back-up hydraulic pump (4) with hydraulic fluid
(Appendix H).
(7) Install filler plug (9) in back-up hydraulic pump (4).
(8) Operate back-up hydraulic pump (4) until hydraulic fluid
starts flowing (TM 9-2320-365-10).
(9) Install bottom hydraulic hose (6) on 90-degree fitting (8).
(10) Repeat steps (5) through (7).
(11) Raise cab with back-up hydraulic pump (4) (TM 9-2320-
365-10).
(12) Repeat steps (5) through (7).
(13) Lower cab with back-up hydraulic pump (4) (TM 9-2320-
365-10).
(14) Repeat steps (5) through (7).
(15) Repeat steps (11) through (14) until hydraulic fluid is
cleared of foam, grit, and other contaminants.
19-28
