PUMP GP-PISTON 4604904 - Caterpillar

Use Tooling (K) in order to force bearing housing (25) from body (23) .
Illustration 18 g01055796
Illustration 19 g01055798
Use Tooling (D) and a suitable press in order to remove the stationary segment of ceramic seal (26) from body (23) .
Illustration 20 g01055799
Remove ring (27) and the rotating segment of ceramic seal (28) from shaft (19) .
Illustration 21 g01055802
Use an allen wrench to loosen the screws that hold ring (29) to shaft (19) . Remove the ring.
Illustration 22 g01055803
Remove O-ring seal (30) from shaft (19) .
Illustration 23 g01055804
Place bearing housing (25) in a vise with the driven end of the shaft in the upward position. Use Tooling (E) in order to remove retaining ring (31) .
Do not allow the shaft to fall when the shaft is removed from the bearing housing.
Illustration 24 g01055806
Place bearing housing (25) and shaft (19) in a suitable press. Orient the impeller end of the shaft in the upward position. Press the shaft out of the bearing housing.
Illustration 25 g01055810
Place the shaft in a vise. Orient the driven end of the shaft in the upward position. Use Tooling (F) in order to remove nut (32) (not shown) from the shaft.
Illustration 26 g01055815
Place shaft (19) and bearing (33) in a suitable press. Orient the driven end of the shaft in the upward position. Press the shaft out of the bearing.
Illustration 27 g01055814
Remove collar (34) from bearing housing (25) .
Illustration 28 g01055816
Use Tooling (G) in order to remove oil seal (35) from bearing housing (25) .
Illustration 29 g01055817
Use Tooling (E) in order to remove retaining ring (36) from bearing housing (25) .
Remove bearing (37) from bearing housing (25) .
Illustration 30 g01055821
Use Tooling (H) in order to remove bearing race (38) from bearing housing (25) .