VALVE GP-SHUTTLE 4647318 - Caterpillar

Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-1857 Retaining Ring Pliers 1
B 1U-6683 Ring Expander 1 Start By:
Remove the pistons and the connecting rods. Refer to Disassembly and Assembly, "Piston and Connecting Rods - Remove" for the correct procedure. Note: Make a temporary mark on the components of the piston and connecting rod assembly. Making temporary marks will ensure that the components of each piston and connecting rod assembly can be reinstalled in the original location. Mark the underside of the piston on the front pin boss. Do not interchange components.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g03001216
Remove lower bearing shell (10) from connecting rod cap (11). Remove upper bearing shell (9) from connecting rod (7). Keep the bearing shells together.
Place the piston and connecting rod assembly on a suitable surface with the connecting rod upward. Use Tooling (A) in order to remove circlips (5).
Remove piston pin (6) from bushing (8) in connecting rod (7). Remove connecting rod (7 ) from piston (4). Note: If the piston pin cannot be removed by hand, heat the piston to a temperature of 45 5 °C (113 9 °F). Do not use a torch to heat the piston. Note the orientation of connecting rod (7) and piston (4).
Place the piston on a suitable surface with the crown upward. Use Tooling (B) in order to remove compression ring (1), compression ring (2), and oil control ring (3) from piston (4). Note: Make temporary identification marks to Identify the position and orientation of compression ring (1), and compression ring (2), and oil control ring (3).
Inspect the connecting rod for wear and damage. If necessary, replace connecting rod (7) .
Repeat Step 1 through Step 5 in order to disassemble the remaining pistons and connecting rods.