For all except SA and MA bearing frames, replace with new shims during reassembly.
5.
Remove the two oil ring retainers and the oil ring inspection plugs from the top of the bearing frame.
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 as-
sembly 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
Figure 46: 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. Re-
place the bearings before reassembly.
9.
Remove the radial bearing from the shaft:
a) Loosen and remove the thrust-bearing locknut and lockwasher.
6.4 Disassembly
Model 3700, 3703, 3710, 3700LF, 3700LFI API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Instal-
lation, Operation, and Maintenance Manual
75
Summary of Contents for Goulds Pumps 3700
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