Maintenance
S group pumps have a bearing spacer (217).
10. Remove the inboard bearing cover (160A), the inboard labyrinth seal (333A), and the inner
bearing cover bolts (371C).
11. Remove the seal plate nuts (355) and the mechanical seal (250).
Refer to the instructions provided by the mechanical seal manufacturer.
Disassemble the radial end (sleeve/ball bearing pumps)
1. Remove the two dowel pins between the upper and lower halves of the bearing housing
(134).
2. Remove the hex screws that connect the upper and lower halves of the bearing housing.
3. Tighten the two jackscrews on the horizontal parting flanges of the bearing housing in order
to separate the two halves.
4. Remove the top half of the bearing housing with the upper half of the sleeve bearing (117).
Model 3610, API Type BB1 API 610 11th Edition Installation, Operation, and Maintenance Manual
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