FEDCO MSS-40 - Page 46

MSS
TM
Series
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Figure 101 - End Spacer Installation
11. Install the custom length end spacer.
NOTES: This spacer is dimensionally di󰀨erent
than the stage spacers. On some installations,
this end spacer may be engraved to help distin-
guish it from standard stock spacers.
Figure 100 - End Shell Installation
9. For:
Single Shell Pumps:
Install discharge ring on top of stage stack.
Two Shell Pumps:
Install discharge ring on top of stage stack.
Lubricate and install the series shell O-ring.
10. Carefully lower the end shell over the stag-
es using safe lifting and handling methods.
Align the end shell ange with the series
shell ange (serial number stamping op-
posite to inlet). Install the shell ange bolts/
lock washers and torque to value specied
in the Fastener Torque Specications sec-
tion of this manual.
NOTES: Make sure there is no gap between
anges after tightening bolts.
Figure 99 - Stage Installation
8. For:
Single Shell Pumps:
Skip this step.
Two Shell Pumps:
Install end shell stage components: stage
spacers, impellers, and di󰀨users.
(For MSS-50/70 pumps, the last di󰀨user
bowl/ discharge ring is welded within the
end shell).
NOTES: Verify di󰀨user bushings have been
pre-installed before assembly.
Pump Overhaul Continued