PUMP GP-HYD 0R8102 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 5R-7425 Barring Gp (1) 1
B 1P-1861 Retaining Ring Pliers 1
C 271-0498 Expander Ring 1
(1) The 9S-9082 Engine Turning Tool is alternative tooling.Start By:
Remove the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Remove".
Remove the piston cooling jets. Refer to Disassembly and Assembly, "Piston Cooling Jets - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00913801
Use Tooling (A) to rotate the crankshaft until bolts (1) can be removed.
Remove the carbon ridge from the top inside surface of the cylinder liner.
Inspect the connecting rod and connecting rod cap for the proper identification mark. The connecting rod and the connecting rod cap should have an etched number on the side. The number should match the cylinder number. Mark the connecting rod and the connecting rod cap, if necessary.Note: Do not stamp the connecting rod assembly.
Remove bolts (1) and connecting rod cap (2). Push the connecting rod until the piston rings are out of the cylinder liner.
Remove the piston and the connecting rod from the cylinder liner.Note: Be careful not to damage the cylinder liner or the crankshaft journal during the removal of the piston and the connecting rod.
Illustration 2 g03422403
Use Tooling (B) to remove the retaining rings (6) that hold piston pin (4). Remove piston pin (4). Remove piston (3) from connecting rod (5).
Remove the bearings from connecting rod (5) and the connecting rod cap.Note: If necessary, separate the piston skirt from the piston crown.
Illustration 3 g01004841
Use Tooling (C) to remove the piston rings from the piston.