Finish Thompson SP22 Series Self-Priming - Manual (Page 12)

12
evenly until the prongs snap onto the surface of the inner
volute See figure 29
WARNING: Magnetic force hazard Keep fingers away from
mating surfaces
4 Install barrier, inner volute, impeller/inner drive and impeller
shaft assembly into the motor adapter (item 12) Line up
the center of the inner volute bottom port with the center of
the motor adapter foot See Figure 30
NOTE: If the pump has the o-ring sealing option (available
on 184 and 215 frame pumps only), install the o-ring (item
Using uniform pressure, press the housing into place until
it is flush with the motor adapter Rotate the housing if
necessary to line up the bolt holes in the housing with
the bolt holes in the motor adapter Tap lightly with a soft
mallet if necessary See figure 34 Install the housing
bolts, lock washers and flat washers (items 15, 16, 17)
9 Tighten all bolts evenly using a star pattern Tighten to
240 in-lbs (27 1 N-m)
10 Reinstall the pump on the motor/drive magnet following
instructions found in “Assembly, Pumps without motors,”
steps 5-8
Figure 29
Figure 30
12A) in the groove in the motor adapter before installing the
barrier, inner volute, impeller/inner drive and impeller shaft
Barrier will have to be pushed into place with o-ring sealing
option
NOTE: Bolts are not on center line
5 Install o-ring (item 10) in groove in barrier Make sure o-ring
is properly seated
6 Install the separator plate (item 5) by lining up the bottom
opening of the inner volute with the opening in the plate
Line up the slots in the separator plate with the notches in
the inner volute See figure 31
7 Lubricate the inner volute o-ring (item 4) with a chemically
compatible lubricant and install in the groove on the round
suction nozzle in the center of the inner volute See figure 32
Figure 31 Figure 32
8 Install the housing (item 1) Lubricate the inside of the
gooseneck with a chemically compatible lubricant See
figure 35 Line up the notch on the top of the separator plate
with the tab in the housing (located inside the front of the
housing near the discharge port) See figure 33
Figure 33 Figure 34
Figure 35