Champion pp-28 User Guide

COMPONENT REPLACEMENT

6. Place impeller on the shaft making sure that keyway aligns.

7. Install keyway using a punch and hammer, driving it in as far as possible.

8. Install the lock bolt and washer. Tighten down securely.

9. Install new volute gasket. Make sure that all of the mating surfaces of the gasket joint is

cleaned to the bare metal.

10. Mount volute onto the motor brackets. Install (2) bolts, making sure that they are finger

tight. Turn the shaft by hand and listen for any rubbing of the impeller inside of the volute. If
there is rubbing, reposition the voulte by tapping on the side of the volute. It will probably
need to be adjusted by moving up and to the left or right. Continue installing the remaining
bolts making sure that the impeller does not rub.

11. Reconnect the electrical connections as previously tagged. 

12. Jog switch to determine if the rotation is correct, if not reconnect.

13. Restore power.

14. Check for leaks and proper operation. 

F

A

J

K

B

E

G

L

C

M

D

N

H

P

A. Volute 

    H. Seal/Seat 

B. Impeller 

    J.  Impeller Lock Screw

C. Bracket 

    K. Impeller Lock Gasket

D. Shaft Sleeve      L. Motor Bolts

E. Volute Gasket     M. Sleeve Gasket

F. Pipe Plug 

    N. Impeller Shaft Key

G. Volute Bolts      P. Motor