TM 5-4930-244-14
(3) Inspect all parts for wear or damage. Replace if necessary.
(4) Inspect all threaded surfaces for damage. Replace if necessary.
(5) Inspect pump rods and tubes for cracks, breaks, or other defects.
(6) Inspect valve and valve seats for damage or wear. Replace If necessary.
(7) If using repair kit, use all replacement parts in kit.
c.
Assembly.
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.
(1)
Install wear ring (95), seal (94), bearing (93), steel spacer (92) and barrel assembly (90) onto piston (70). Install
two new gaskets (91) onto piston (70).
(2)
Insert retainer (89), spring (88), ball (86), gasket (87) into insert assembly (85). Install adapter (72) and insert
assembly (85).
(3)
Install primer rod (75) to piston (70) through adapter (72) and install roll pin (84) through adapter (72) and insert
assembly (85) through primer rod (75).
(4)
Install two nylon washers (81), seal (82) onto packing nut (80). Screw packing nut (80) onto valve body (79).
(5)
Install new second gasket (78), valve seat (77), new gasket (76), plate (74) onto bottom of adapter (72) onto
primer rod (75), secure with elastic stop nut (73).
NOTE
Prior to reassembly, apply Loctite "Type 242" to the threads of adapter (72) and
primer body (71).
(6)
Screw primer body (71) into bottom of adapter (72).
(7)
Thread rod (67) into lower coupling (69). Insert two spring clips (68) Into lower coupling (69) and piston (70).
(8)
Thread upper coupling (56) onto rod (67) and insert spring clip (57) into upper coupling (56).
NOTE
Lips of seal (55) and seal (53) must face downward.
(9)
Install new o-ring (66), spacer (65), seal (64), lantern ring (63), seal (62) and washer (61) into the bottom of
packing retainer (40).
(10)
Install new gasket (58), washer (59), new gasket (58) into bottom of packing retainer (40).
(11)
Install two hex head cap screws (53) into cylinder head and plug assembly (20).
(12)
Install bushing (52), washer (51) and screw adapter (50) into cylinder head and plug assembly (20).
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