Goulds Pumps 7200CB - IOM - Manual (Page 92)

Maintenance
4. Install 1st stage impeller key (178).
CAUTION:
Burn hazard. The impeller will get hot. Wear insulated gloves when handling the impeller.
5. Assemble the 1st stage impeller (101) onto the shaft (122) from the thrust end. The impeller
is an interference fit. Use an electric induction heater to heat the impeller to 300°F-400°F
(150°C-200°C). For double suction pumps, the first stage impeller (101) is assembled from
the coupling end.
Apply an anti-seize compound to the outer diameter of the impeller rings.
6. For double suction pumps only, install interstage sleeve key (178).
CAUTION:
Burn hazard. The interstage sleeve will get hot. Wear insulated gloves when handling the sleeve.
90 Model 7200CB, API Type BB5 Barrel Multistage / ISO 13709 2nd Edition / API 610 11th Edition Installation, Operation, and
Maintenance Manual