To free/remove the remaining
coupling half, strike the upper edge
of the coupling half with a rubber
mallet. Note: If you have multiple
pumps, do not interchange coupling
components, they are a matched set.
Dismantling Procedures CR, CRN 32•45•64•90
37
Us e an All en wre nc h wi th
an 8 mm tip to loosen and
remove the Coupling Screws (Pos. 9)
from the Coupling Halves (Pos. 10a).
Tandem Seal
Loosen the top
Coupling Guard
Screw (Pos. 7a),
but do not fully
remove. Loosen
and fully remove
the lower screw.
Tilt and slide
th e Cou pling
Guards (Pos. 7)
off of the system
fl us h p ip in g.
Remove system ush piping.
36
35
To remove the coupling halves, insert
a at/slot blade screwdriver in the
coupling gap and twist to free the
rst coupling half.
38
Loosen, but do not remove, the
3 mm Set Screws (Pos. 113) from
the Tandem Shaft Seal (Pos. 105c).
41
39
40
7
L o o s e n a n d r e m o v e t h e
8 mm hex socket Allen Screws
(Pos. 58b) holding the seal housing.
42
Use two at / slot blade screwdrivers
to pry the seal loose. Lift the seal (Pos.
105c) completely off of the shaft
(Pos. 51).
43
Regardless of the motor HP size
on Tandem Seal equipped pumps,
the motor must be removed to
change the seals. Remove the
motor to pump bolts (Pos. 28a). Lift
motor off of motor stool (Pos. 1a).
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