GEAR-TRANSFER PUMP 4N1119 - Caterpillar

Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 4C-3601 Piston Ring Expander 1
B 1P-1861 Retaining Ring Pliers 1 Start By:
Remove the pistons and connecting rods. Refer to Disassembly and Assembly, "Pistons and Connecting Rods - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01139072
Illustration 2 g01139074Note: This engine has fractured connecting rods. Fractured connecting rods must be handled with care. Use a soft jawed vise to hold the connecting rod when loosening the connecting rod cap bolts.
Use Tooling (B) in order to remove retaining rings (3) from piston skirt (2).
Remove piston pin (4) and separate piston skirt (2) and piston crown (6) from connecting rod (1).
Inspect bearings (7) in the piston crown (6).
Use Tooling (A) to remove piston rings (5).
Illustration 3 g01139053
The connecting rod must be heated for the installation of the piston pin bearing. Do not use a torch.
Raise the temperature of connecting rod (1) along Length (X). The maximum distance of Length (X) is 83.0 mm (3.27 inch).
Remove old bearing (8) and install new bearing (8) at the same time.
The bearing joint must be within 5 degrees of one of the locations that are indicated by the arrows.