Hale SMR - Manual (Page 105)

Stainless Max Series Pumps 6-27
Maintenance and Repair
❑
O-ring seal
❑
Seal housing
❑
Oil seal
❑
O-ring seal, under side of seal housing
4. Remove the six nuts and hardware securing the oil seal
housing to the bearing housing. Slide the housing from the
pump shaft. See Figure 6-12: “Oil Seal Breakdown, HG
Series” on page 6-26.
5. Press the oil seal out from the housing and discard.
6. Remove and examine the pedestal O-ring seal and the seal
wear ring, mounted on the pump shaft. If either is defective, it
must be replaced.
For O-ring, order Hale p/n: 55831; for seal wear ring, order
p/n: 60012.
Installation Notes
See Figure 6-13: “Oil Seal Breakdown, HG Series” on page 6-26.
To install, follow the preceding steps in the reverse order, paying
attention to the following:
❑
Review preceding section “Before You Begin...,” beginning on
page 6-1.
❑
Pay attention to section “Cleaning and Inspection Guidelines,”
beginning on page 6-6 to ensure a thorough installation.
❑
Evenly press-in a new oil seal in the housing until flush with
the housing lip. See Figure 6-12: “Pedestal Breakdown” on
page 6-24. Lightly tap the seal around the edges to ensure an
“even” seat.
❑
Place the assembly onto the main bearing housing and thread
the six hex nuts and hardware finger-tight only.
❑
In a crisscross pattern, tighten the six hex nuts ensuring that
the seal housing seats flat against the face of the bearing.
❑
Torque the six nuts to 21 ft.-lb. (28 N-m) using 5 ft.-lb. (6.8 N-
m) increments.
❑
Insert the seal flinger, then reinstall the pump head.
❑
Add fresh oil. See Figure 6-1: “Recommended Lubricants” on
page 6-2, for oil capacities.