Goulds Pumps 3180-86 - IOM - Manual (Page 82)

Remove the dynamic seal
WARNING:
Covers are heavy, use the proper support to avoid personal injury.
This procedure only applies to the 3180 and 3185 pump models.
1. Remove box-to-backplate nuts (357J).
2. Remove the backplate (444) by tapping on the end of the studs with soft-faced hammer.
3. Remove the repeller (262):
a) Use two bars that are 180° apart to pry between the repeller and shroud and the cover.
b) Make sure that the gasket surfaces are not damaged.
4. Remove the secondary seal:
If your secondary seal is a...Then...
Packed box
Remove the packing gland halves, the packing (106), lantern ring
(105), and throttle bushing (125).
Diaphragm seal Remove the gland (107) and the diaphragm (146) from the stuffing
box.
5. Thread a 10 mm eye bolt into the tapped hole provided in the cover (184) and sling to a hoist.
6. Remove eight hex head bolts (370B) from the cover (184).
7. Gently tap the cover from the frame using a soft-blow hammer on the dry side of the cover.
8. Remove the shaft sleeve (126).
Use a puller if necessary.
Maintenance
80 Models 3180, 3181, 3185, and 3186 Installation, Operation, and Maintenance Manual