Ampco Pumps Company LF 401, Instruction & Maintenance Manual

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5. Remove the impeller
nut, the impeller nut gas-
ket, impeller, then the key.
This process can be seen in
Figure 3. The seal driver
may be pushing against the
key. With one hand push
the seal driver into the cas-
ing with index and middle
finger on opposite sides of
the shaft. Then with your
free hand remove the key.
6. Pull out the seal driver.
You may have to use a pick
to separate the rotating seal
from the stationary seal,
figure 4.
7. The rotating seal, o-ring
and spring will come out at
as a single component, fig-
ure 5.
Figure
5
Figure
4
Figure
3
LF & LM SERIES PUMPS