TM 5-4930-244-14
c.
Assembly.
(1)
Install ball (77) into foot - valve body (76). Tap pin (75) into foot - valve body (76).
NOTE
Prior to reassembly, lubricate all o-rings and packings with SAE No. 10 oil or light
machine oil. Protect all seals and sealing surfaces from damage and scratches in
any way possible.
Apply Loctite "Type 242" to male threads of valve seat (71) prior to installation. Do
not tighten more than 1/4 turn after coming in contact with piston (72). Allow 1 -2
hours to cure.
(2)
Install heavy spring (74), ball (73) and piston (72) into adapter (70). Thread valve seat (71) into adapter (70).
(3)
Thread adapter (70) into lower coupling (68). Thread rod (69) into lower coupling (68). Insert spring clips (67)
into lower coupling (68).
(4)
Thread upper coupling (57) onto rod (69) and insert two spring clip (56) into upper coupling (57).
(5)
Grab upper coupling (57) and push downward until contents are inside of pump tube (55).
NOTE
Lips of seal (64) and seal (62) must face downward.
(6)
Install new o-ring (66), spacer (65), seal (64), lantern ring (63), seal (62) and washer (61), into the bottom of
packing retainer (41).
(7)
Install new gasket (58), washer (59), new second gasket (58) into bottom of packing retainer (41).
(8)
Install two hex head cap screws (53) into cylinder head and plug assembly (19).
(9)
Install bushing (52), washer (51) and screw adapter (50) into cylinder head and plug assembly (19).
(10)
Grip trip rod (16) at the shoulder with wrench and slip on piston retainer (44) onto trip rod (16), and new o-ring
(46). Install the bottom trip rod nut (49). See detail.
(11)
Install two washers (47) and packing (48) onto trip rod (16). Screw piston nut (45) onto trip rod (16).
(12)
Install new two o-rings (43) onto packing retainer (42).
(13)
Install packing retainer (42) into cylinder head and plug assembly (19) and packing retainer (41).
(14)
Install packing retainer (41) into cylinder head and plug assembly (19), securing packing retainer (41) using three
screws (39) and three new lockwashers (40).
(15)
Install new o-ring (38) onto lip of cylinder head and plug assembly (19). Install toggles (22) into valve body and
stop assembly (3). Install cylinder (25) and piston rod (26), trip rod (16) into cylinder head and plug assembly
(19).
(16)
Install new o-rings (24) onto tube (23). Install into body (42).
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