Goulds Pumps 3700 - IOM - Manual (Page 69)

Maintenance
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.
112 Duplex thrust bearing
114 Oil rings
122 Shaft
136 Thrust-bearing locknut
168 Radial bearing
382 Lockwasher
8. Bend the locking tang of the thrust-bearing lockwasher away from the notch in the bearing
locknut.
NOTICE:
Save the bearings for inspection. Do not reuse the bearings. Doing so may result in
decreased performance.
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.
SX, MX, LA, LX, XLA, and XLX pumps have two oil rings. SA and MA pumps have one
oil ring.
d) Press or pull the radial bearing from the shaft.
10. Perform the following based on your pump version:
Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance 67
Manual