Hale SMR - Manual (Page 98)

Maintenance and Repair
6-20 Stainless Max Series Pumps
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 6-10: “Front Oil Seal Breakdown, Pedestal” on page
6-19.
5. Press the oil seal 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: 55837; for seal wear ring, order Hale
p/n: 60012.
Installation Notes
See Figures 6-10: “Pedestal Oil Seal Breakdown” on page 6-19.
To install, follow the preceding step 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 6-10: “Front Oil Seal Breakdown,
Pedestal” on page 6-19. 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. Also see Section 4: “Preventive
Maintenance,” headings:
●
Replace Gearbox Oil, on page 4-8
●
Replace Pedestal Oil - SMR Series, on page 4-9
❑
Reassemble the pump. See section “Pump Head,” heading
“Installation Notes” on page 6-17.