Replacement of Shaft Seal-Sleeve-Seal Seat

Replacement of Shaft Seal-Sleeve-Seal Seat,

5.2.1.1

To remove the seal assembly, follow these steps:

Remove four 3/8" nuts securing pump casing to pump adapter and

engine. Also remove cap screws securing pump casing to base.

Remove pump casing thereby exposing impeller and seal assembly.

Slightly tap (Figure A) impeller vanes (Counter-clockwise) with

block and hammer to free it on shaft, Now, impeller may be

turned off. The removal of the impeller then will allow removal

of the shaft seal, sleeve, and access to the seal seat.

5.2.1.2

Lubricate seal seat "O" Ring with oil prior to installation of seat.

Insert seat (Item 2) into adapter (Item 4) so highly polished surface

of seat is exposed to mate with carbon nose of seal.

Install sleeve (Item 3) and seal (Item 1) so carbon nose of seal

mates with polished surface of seat and inside radius of sleeve

is towards engine.

Thread on impeller (Item 5).

Always install new gasket (NOT

Replace gasket on adapter flange.

SHOWN).

(Figure B)

(Figure A)