Goulds Pumps 3600 - IOM - Manual (Page 68)

Maintenance
Disassemble the rotating element
1. Remove throttle bushing sleeve (128):
a) Remove the snap ring (361F).
b) Slide the sleeve towards the center of the rotor, exposing the locating ring (361H).
c) Remove the locating ring (two halves) and the throttle bushing sleeve.
2. Depending on the pump size, do the following to remove the first-stage impeller:
CAUTION:
Burn hazard. The impeller will get hot. Wear insulated gloves when handling the impeller.
If the pump is... Then...
6x8-13
1. Remove the two snap rings (361) that hold the impeller in place.
2. Heat the impeller to 300°F–400°F (150°C–200°C) and slide the
impeller off.
3. Remove the subsequent casing ring (164).
66 Model 3600, API 610 8th, 9th, 10th & 11th Editions (ISO 13709) Installation, Operation, and Maintenance Manual