Goulds Pumps 3640 - IOM - Manual (Page 59)

Maintenance
10. Remove the inboard bearing cover (160), 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.
12. (Optional) Remove the cooling plate bolts (388K and 388G), the cooling plate (490), and
the cooling plate gaskets (360U and 360S not shown).
Removal of the cooling plate is not required in order to remove the head from the case.
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 3640 Installation, Operation, and Maintenance Manual 57