TM 5-4930-244-14
NOTE
Be careful not to cross-thread the air cylinder assembly (24) or the adapter
assembly (26).
(9)
Initially, tighten air cylinder assembly (24) hand tight only.
NOTE
Care must be taken when installing packing set (14) to avoid damage from threads
in pump casting (5).
(10)
Install packing set (14) into pump casting (5).
(11)
Install o-ring (12) onto packing screw (13) Install power head assembly (3), packing screw (13) into pump
casting (5).
(12)
Install piston assembly (11) into adapter assembly (26).
(13)
Install o-ring (27) and air cylinder assembly (24) with conical spring (25) onto piston assembly (11).
(14)
Install drive power head assembly (3) into pump casting (5)
(15)
Install flat washer (23) and plunger (22) onto rod and stop assembly (21)
(16)
Install stop nut (20) onto rod and stop assembly (21). Tighten.
(17)
Install o-ring (16) onto valve base (15).
(18)
Install washer (18) onto stud (19) and through valve base (15) securing them using stop nut 917) Tighten
(19)
Install rod and stop assembly (21) with all its attached parts into cylinder (8)
(20)
Install cotter pin (10) into piston assembly (11) and rod and stop assembly (21)
(21)
Install stud (19) and all its attached parts into cylinder (8), securing it using valve base (15)
(22)
Install cylinder (8), aluminum gasket (9), bung adapter (7) and jam nut (6) into bottom of pump
casting (5)
NOTE
Before installation, wrap threads on hex-head bushing, ball valve, and quick-
disconnect nipple with Teflon Tape
(23)
Install hex-head bushing (4) into the side of pump casting (5).
(24)
Install ball valve (2) into the side of the power head assembly (3).
(25)
Install quick-disconnect nipple (1) into ball valve (2)
5-9
