Flowserve U-MAG INNOMAG - Manual (Page 26)

U-MAG ENGLISH 26999990 10-14
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follow the procedures in the repair sections of this
manual. Carefully clean and inspect all internal parts.
6.7.3 Containment Shell [3500]
Use a torch (flashlight) to inspect inside the
containment shell [3500], particulate control ring and
thrust collar [3041.2].
6.7.4 Gasket, O-ring [4610]
After dismantling, discard and replace.
6.7.5 Impeller [2200]
The bearing [3300] can be easily replaced if
damaged however the wear ring is molded in place
and is not user replaceable (see section 6.10). If wear
ring is damaged, the impeller will need to be
replaced.
6.7.6 Outer Magnet [0230]
Wipe the inside of the outer magnet assembly [0230]
clean from all foreign particles.
6.8 Casing [1100] Repair
6.8.1 Casing Thrust Collar [3041.2] Removal
Unless there is visual damage to the front
thrust collar, removal is not necessary and is not part
of the normal inspection procedure.
a) Insert a flathead screwdriver into the casing
notch opposite the weld and force out the
retaining ring [6810.1].
Figure 6-5
b) Lift out the thrust collar [3041.2] with your fingers.
Pull the retaining ring [6810.1] free and remove
the locking pin.
6.8.2 Casing Thrust Collar [3041.2] Installation
a) Insert and align the casing thrust collar (SiC)
[3041.2] keyway with the keyway notch in the
casing [1100].
b) Insert the locking pin into one keyway notch.
c) Insert the keyed end of the retaining ring [6810.1]
into the remaining keyway.
Figure 6-6
d) Press the retaining ring [6810.1] into the casing
groove.
e) Trim the retaining ring [6810.1] end so it slightly
overlaps the drive pin.
Figure 6-7
f) Line up the tip of a T-handle hex key at the end
of the retaining ring [6810.1].
g) Gently tap the retaining ring [6810.1] into
position.
Figure 6-8
h) With a soldering iron, melt the two plastic ends
together.