Goulds Pumps 3700 Installation, Operation And Maintenance Manual page 75

SX, MX, LA, LX, XLA, and XLX pumps have two inspection plugs. SA and MA pumps have
one inspection plug.
6. If your power end has the optional water-cooling package, then remove the finned-tube
cooling assembly from the bearing frame.
7. Carefully withdraw the shaft and bearing assembly from the bearing frame.
Take care not to damage the oil rings. If the oil rings bind or hang up, you can access them
through the inspection holes and reposition them using a hooked tool made from wire. SX,
MX, LA, LX, XLA, and XLX pumps have two oil rings. SA and MA pumps have one oil ring.
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114
122
136
168
382
Figure 48: Shaft and bearing assembly removal
8. Bend the locking tang of the thrust-bearing lockwasher away from the notch in the bearing
locknut.
NOTICE:
Do not reuse bearings if removed from shaft. Doing so may result in equipment damage.
Replace the bearings before reassembly.
9. Remove the radial bearing from the shaft:
a) Loosen and remove the thrust-bearing locknut and lockwasher.
b) Press or pull the duplex thrust bearing from the shaft.
c) Remove the oil ring(s) from the shaft.
d) Press or pull the radial bearing from the shaft.
Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
Manual
Duplex thrust bearing
Oil rings
Shaft
Thrust-bearing locknut
Radial bearing
Lockwasher
SX, MX, LA, LX, XLA, and XLX pumps have two oil rings. SA and MA pumps have one
oil ring.
Maintenance
73