TM 10-4320-307-24
4-5 PUMP ASSEMBLY SHAFT INSPECT/TEST/REPLACE (CONT).
2.
Remove second and third stage impeller as follows:
a.
Remove pin (14) and remove seal bushing (15) from shaft (3).
b.
Remove split ring (16), key (17), and second stage impeller (18).
c.
Remove diaphragm (19).
d.
Remove two set screws (20) and remove shaft sleeve (21) and key (22).
e.
Remove pins (23) from casing wear ring (24) and remove wear ring (24) from impeller (18).
f.
Remove set screws (25) from second stage impeller wear ring (26).
g.
Remove split ring (27), key (28), and third stage impeller (29).
h.
Remove pins (30) from casing wear ring (31) and remove from impeller (29).
i.
Remove set screws (32) from third stage impeller wear ring (33) and remove from impeller (29).
j.
Remove pin (34) from seal bushing (35) and remove from shaft (3).
k.
Remove four set screws (36) from shaft sleeve (37) and remove shaft sleeve (37) and key (38).
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