TM 10-4320-307-24
4-5 PUMP ASSEMBLY SHAFT INSPECT/TEST/REPLACE (CONT).
1.
Remove first stage impeller as follows:
a.
Remove pin (1) and remove seal bushing (2) from shaft (3).
b.
Remove split ring (4).
c.
Remove key (5).
d.
Remove first stage impeller (6).
e.
Remove two set screws (7) and remove shaft sleeve (8) and key (9).
f.
Remove pins (10) from two casing wear rings (11).
g.
Remove casing wear rings (11) from impeller (6).
h.
Remove set screws (12) from two first stage impeller wear rings (13).
i.
Remove impeller wear rings (13) from first stage impeller (6).
4-10
