TOOL-CHEST 3851731 - Caterpillar

Illustration 1 g00994760Note: Place identification marks on body (4) and housing (1) for use at assembly.
Remove elbow (2) and the pipe nipple from housing (1).
Illustration 2 g00994762
Remove nuts (3), the lockwashers, body (4), and the gaskets from housing (1).
Illustration 3 g00994763
Remove nut (5), the washer, and gear (6) from the shaft.
Illustration 4 g00994765
Remove key (7) and spacer (8) from the shaft.
Illustration 5 g00994766
Use Tooling (A) in order to remove snap ring (9).
Illustration 6 g00994768
Remove locknut (10) that holds impeller (11) in place. Note: The locknut has left hand thread.
Remove impeller (11). Note: Impeller (11) has left hand thread.
Illustration 7 g00994770
Remove the shims, the spring retainer, and spring (12).
Install 3/8"-16 left hand thread locknut even with the end of the shaft.
Illustration 8 g00994771
Place body (4) in position in a press. Use Tooling (B) in order to loosen silicon carbide seal assembly (13) from the shaft.
Remove key (14), the shims, and seal assembly (13).
Illustration 9 g00994772
Turn over pump body (4) and remove shaft (15) and the bearings as a unit.
Illustration 10 g00994774
Use Tooling (C) in order to remove snap ring (16) from shaft (15).
Illustration 11 g00994775
Place shaft (15) and bearings (17) in a press on Tooling (D). Use the press in order to push shaft (15) from bearings (17) and the spacer.
Illustration 12 g00994776
Remove silicon carbide ring (18) and the seal.
Illustration 13 g00994777
Remove slinger (19).
Illustration 14 g00994778
Remove seal (20) from body (4).
Illustration 15 g00994779