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Goulds Pumps 3700 - IOM User Manual

Page 84

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Maintenance

Pure oil-mist lubricated power ends are assembled in the same manner as ring oil-lubricated
power ends. Oil rings are not furnished with pure oil-mist lubrication. Disregard any reference to
those parts.
1. Install the radial (inboard) bearing on the shaft.

112

Duplex thrust bearing

114

Oil rings

122

Shaft

136

Thrust-bearing locknut

168

Radial bearing

382

Lockwasher

2. Install the oil rings and bearings:

a) Install the oil rings on the shaft.

Pump type

Oil rings

SX, MX, LA, LX, XLA, and XLX

2

SA and MA

1

b) Install the thrust (outboard) bearings on the shaft.
c) Place the bearing lockwasher on the shaft and the tang of the lockwasher in the

keyway.

d) Thread the bearing locknut onto the shaft.

After the bearings and the shaft have cooled to the ambient temperature, tighten the
locknut to the torque values shown in the Maximum torque values for 3700 fasteners
table.

e) Bend a tang of the bearing lockwasher into a slot of the locknut.

82

Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance

Manual