Figure 4-39. Discharge Ball Valve.
d.
Remove ball (9) and stem (10) from body (14). Remove o-ring (11) and washer (12) from stem.
e.
Remove ball seats (13) from adapter (7) and body (14).
4-15.2.2 Repair.
a.
Discard o-rings (8 and 11), washer (12), ball seats (13), dust cover (3), retainer (4) and stop plate (5) and replace
with new parts.
b.
Clean all remaining valve components thoroughly.
4-15.2.3 Assembly.
a.
Install ball seats (13) in adapter (7) and body (14) and apply grease to seat faces.
b.
Apply grease to o-ring (11), then install washer (12) and o-ring (11) on stem (10). Install stem in body (14) and
extend through top of body.
c.
Install ball (9) in body so that it is engaged by stem (10).
d.
Install stop plate (5) and retainer (4) on stem. Make sure retainer is seated in lower groove of stem.
e.
Apply grease to o-ring (8) and place o-ring on body (14).
4-163