Flowserve M-series PolyChem - Manual (Page 44)

USER INSTRUCTIONS PolyChem M-SERIES ENGLISH 71569218 07-11
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Page 44 of 60
®
Keep contaminants out of the bearing
housing and bearings.
6.7.6.2
Close-coupled PolyChem M-series
pumps
Figure 6-28: Group A and 1 pumps
Figure 6-29: Group B and 2 pumps
This procedure is necessary only if the
outer magnet assembly [0230] or motor must be
replaced.
Group A and 1 pumps:
a)
Loosen the set screw that attaches the outer
magnet assembly [0230] to the motor shaft. See
Figure 6-28.
b) Remove the outer magnet assembly [0230] from
the motor shaft. As a disassembly aide, a
threaded hole has been provided in the center of
the outer magnet flange [0231] to enable the
outer magnet flange to be jacked off of the motor
shaft. One of the square head jackscrews [6575]
from the lantern [1340] can be used for this step.
c) Remove the fasteners [6570.9] that attach the
outer magnet flange [0231] to the hub [7200].
d) To remove the motor flange [0231], remove the
four (4) motor flange/motor fasteners [6570.4].
e) The outer magnet flange [0231] can be
separated from the outer magnet [0230] by
removing fasteners [6570.3].
Group B and 2 pumps:
a)
Loosen the fasteners [6570.9] that attaches the
outer magnet assembly [0230] to the hub [7200].
See Figure 6-29.
b) To remove the lantern [1340], remove the four
(4) lantern/motor fasteners [6570.4].
c) Loosen the set screws that attaches the hub
[6814] to the motor, pull the hub off the shaft.
d) The outer magnet flange [0231] can be
separated from the outer magnet [0230] by
removing fasteners [6570.3].
6.8 Examination of parts
Cleaning/inspection
All parts should be thoroughly cleaned and inspected.
New anti-friction bearings, O-rings, gaskets and lip
seals should be used (if so equipped). Any parts that
show wear or corrosion should be replaced with new
genuine Flowserve parts.
It is important that only non-flammable,
non-contaminated cleaning fluids are used. These fluids
must comply with plant safety and environmental
guidelines.
Critical measurements and tolerances
To maximize reliability of pumps, it is important that
certain parameters and dimensions are measured
and maintained within specified tolerances. It is
important that all parts be checked. Any parts that do
not conform to the specifications should be replaced
with new Flowserve parts.
Parameters that should be checked by users
Flowserve recommends that the user check the
condition of the individual pump components
whenever maintenance is performed. It is described
in more detail below.
Jackbolt
[6575] Hub
[7200]
Outer Magnet
Flange [0231]
Lantern
[1340]
Hub
[7200]
Fastener & Lockwasher
Outer Magnet
Flange [0231]