TM 5-4310-368-14
6-24.
a.
Loosen two tubes (at 60 and 61).
b.
Unscrew six internal hex-head screws (59) holding valve head to cylinder.
c.
Loosen and remove valve head (63) from cylinder.
6-25.
a.
Loosen two tube fittings (27).
b.
Unscrew acorn nut (31) and loosen free stud (33) by a few twists.
c.
Unscrew six internal hex-head screws (30).
d.
Remove head cover (29) from valve head (36) and valve head (36) from cylinder.
6-26.
Do not interchange inlet or discharge valves (Figure 6-31, Index Nos. 9 and 10).
a.
Accomplish necessary prerequisites (see Figure 6-44).
b.
Unscrew four internal hex-head screws (2) and washers (3) on intake connection (1).
c.
Remove intake connection (1).
d.
Remove inlet valve (9) with two gaskets (8) and (11) from valve head (12).
6-27.
Do not interchange inlet or discharge valves (Figure 6-49, Index Nos. 9 and 10).
a.
Unscrew four internal hex-head screws (5) and washers (6) on discharge pressure joint (4).
b.
Remove discharge pressure joint (4).
c.
Unscrew discharge valve (10) and remove valve and two gaskets (8) and (11) from valve head (12).
6-47
