TM 55-1905-223-24-8
b. Replace all gaskets (4, 8). Replace safety relief valve (16), ring spacers (6,17), and helical springs (12).
c.
If the head (14) is cracked, replace it.
ASSEMBLY
a. Install pin (11) and helical spring (12) in suction valves (9) and discharge valves (13).
b. Install ring spacers (6) and valves (9, 13) into head (14) (paragraph 2-16).
c.
Place ring spacer (17) into valves with unloader assemblies (13).
d. Place gaskets (4, 8) and valve covers (3, 7) over valves and align bolt holes.
e. Install 20 valve cover bolts (2) and tighten to 50 ft-lbs torque.
f.
Install unloader assemblies (1) (paragraph 2-15).
g. Install safety valve (16).
3-15
