Goulds Pumps 7200CB - IOM - Manual (Page 82)

Maintenance
16. Heat the 1st stage impeller (101) hub to 300°F-400°F (150°C-200°C) and remove from
shaft (122). For double suction pumps, the first stage impeller (101) is removed from the
opposite end.
17. Remove impeller key (178).
CAUTION:
Burn hazard. The interstage sleeve will get hot. Wear insulated gloves when handling the sleeve.
18. For double suction pumps only, heat the interstage sleeve (204) to 300°F-400°F (150°C-
200°C) and remove from shaft (122).
19. For double suction pumps only, remove interstage sleeve key (178).
80 Model 7200CB, API Type BB5 Barrel Multistage / ISO 13709 2nd Edition / API 610 11th Edition Installation, Operation, and
Maintenance Manual