TM 10-4610-246-13
3.7
MAINTENANCE OF DISCHARGE VALVE - (Cont)
b.
Disassembly.
(1)
Unscrew tube adapter (1, Figure 3-6)
from valve body (2).
(2)
Remove ball poppet (3) from valve
body (2).
(3)
Remove preformed packings (4 and 5)
from valve body (2).
c.
Service.
(1)
Discard preformed packings.
(2)
Clean all components of discharge
valve and tubing with soap and water.
(3)
Inspect all components for damage.
Replace entire discharge valve if any
components are damaged.
Figure 3-6. Discharge Valve
d.
Repair.
Repair is accomplished by replacement of defective parts.
e.
Assembly.
(1)
Install preformed packings (4 and 5, Figure 3-6) into valve body (2).
(2)
Install ball poppet (3) into valve body (2).
Hand tighten connections. Overtightening could result in damage.
(3)
Screw tube adapter (1) onto valve body (2) and hand tighten.
f.
Installation.
(1)
Install preformed packing (5, Figure 3-5) on valve body (3) and screw valve body into pumper assembly
(4) and hand tighten.
Hand tighten connections. Overtightening could result in damage.
(2)
Install suction tubing (1) onto valve body (3).
(3)
Screw tube nut (2) onto discharge valve (3) and hand tighten.
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