Goulds Pumps 3640 - IOM - Manual (Page 57)

Maintenance
8. Use a bearing puller in order to remove the radial bearing (168) from the shaft.
9. Remove the inboard bearing cover (160), the inboard labyrinth seal (333A), and the inner
bearing cover bolts (371C).
10. Remove the seal plate nuts (355) and the mechanical seal (250).
Refer to the instructions provided by the mechanical seal manufacturer.
11. (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.
Model 3640 Installation, Operation, and Maintenance Manual 55