PUMP A 0013890 - Caterpillar

Disassembly Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     1P-1857     Retaining Ring Pliers     1    Start By:
Remove the gear pump. Refer to Disassembly and Assembly, "Gear Pump (Implement) - Remove".
Illustration 1 g01300541
Remove bolts (1) and cover (2) .
Illustration 2 g01300542
Remove O-ring seal (3), spacer (4), O-ring seal (6), backup ring (7), and spacer (5) .
Illustration 3 g01300543
Remove bearing (8), gear (9), and gear (10) .
Illustration 4 g01300544
Remove bearing (11) .
Illustration 5 g01300545
Remove spacer (12), O-ring seal (13), backup ring (14), and spacer (15) .
Illustration 6 g01300546
Remove lip seal (16) .
Use Tooling (A) in order to remove retaining ring (18) .
Remove lip seal (17) from cover (2) .