Goulds Pumps 3700 - IOM - Manual (Page 44)

Commissioning, Startup, Operation, and Shutdown
a) Remove the spacer portion of the coupling.
Refer to the coupling manufacturer's instructions.
b) If the coupling hub diameter is larger than the diameter of the opening in the deflector-
fan guard support, then remove the coupling hub.
c) Loosen the thrust deflector-fan set screw.
122 Shaft
123B Radial deflector fan
123E Thrust deflector fan
222 Deflector set screw
228 Bearing frame
234 Thrust deflector-fan guard
234D Thrust deflector-fan guard support
496Q Support screws
d) Slide the thrust deflector fan off of the shaft.
e) Remove the thrust bearing end cover and the bearing frame screws.
f)
Align the thrust deflector-fan guard support with the thrust bearing end cover so that the
support slots align with the holes in the end cover.
g) Replace the thrust bearing end cover and bearing frame screws and torque to values
shown in the Maximum torque values for 3700 fasteners table.
CAUTION:
Do not over-tighten the thrust bearing end cover and bearing frame screws.
h) Install the thrust deflector fan over the shaft.
i)
Position the thrust deflector fan approximately 0.03 in. (0.8 mm) from the thrust bearing
end cover and firmly tighten the deflector set screw.
42 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
Manual