MSS
TM
Series
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Figure 98 - Series Shell Installation
7. For:
Single Shell Pumps:
Skip this step.
Two Shell Pumps:
Install the series spacer and carefully lower
the series shell over the stages using safe
lifting and handling methods. Align the shell
ange with the inlet ange (serial number
stamping opposite to inlet). Install the shell
ange bolts/ lock washers and torque to val-
ue specied in the Fastener Torque Speci-
cations section of this manual.
NOTES: Make sure there is no gap between
anges after tightening bolts.
Figure 97 - Stage Installation
6. For:
Single Shell Pumps:
Install all stage components: stage spacers,
impellers, and diusers.
(For MSS-50/70 pumps, the last diuser
bowl/ discharge ring is welded within the
end shell)
Two Shell Pumps:
Install series shell stage components: stage
spacers, impellers, and diusers.
(For MSS-50/70 pumps, the last diuser bowl
is welded within the series shell)
NOTES: Verify diuser bushings have been
pre-installed before assembly.
Figure 96 - Impeller Installation
5. Install impeller onto the shaft and let it rest
on the starting spacer.
Pump Overhaul Continued