RADIATOR GP 9Y0794 - Caterpillar

Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 9S-9082 Engine Turning Tool 1
B 1P-1861 Retaining Ring Pliers 1
C 271-0498 Piston Ring Expander 1
H 1U-7616 Piston Ring Compressor 1
J 334-0519 Grease 1
K 364-2837 (1) Installer As 1
(1) For use with 350-0074 Cylinder Liner.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00582421
Use Tooling (C) to install piston rings (6) on piston (3).
The ends of the oil control piston ring should be 180 degrees away from the oil ring end gap. The white-colored section of the oil ring spring should also be visible at the oil ring end gap.
Install the intermediate ring with the side that is marked "UP" toward the top of the piston. Position the intermediate ring with the green strip on the right side of the end gap.
Install the top piston ring with the red strip on the right side of the end gap.
The piston ring end gaps must be approximately 120 degrees away from each other after installation.
Illustration 2 g01051820
Place clean engine oil on piston pin (4), the piston pin bearing, and the bore in piston pin (4).
Position connecting rod (5) in piston (3) and install piston pin (4).
Use Tooling (B) to install the retaining rings that hold piston pin (4).
Install the upper half of the connecting rod bearing in connecting rod (5). Ensure that the tab on the back of the bearing is in the bearing tab groove on connecting rod (5).
Illustration 3 g02340238
Apply clean engine oil to the cylinder liner bore.
If necessary, install Tooling (K) in the top of the cylinder liner.
Illustration 4 g01056335
Improper installation of the piston and connecting rod assembly will result in severe damage to the engine.Make sure that the side of the connecting rod bore with the chamfer is oriented next to the surface of the crankshaft thrust plate. The square side of the connecting rod bore must be next to the other connecting rod that is on the same crankshaft journal.
Place clean engine oil on the piston rings and the cylinder liner bore. Use Tooling (H) to compress the piston rings.
Install the piston and connecting rod assembly in the engine.
Illustration 5 g00582418
Install the lower half of the connecting rod bearing in connecting rod cap (2). Ensure that the tab on the back of the bearing is in the bearing tab groove on connecting rod cap (2).
Check the clearance of the bearings. Refer to Disassembly and Assembly, "Bearing Clearance - Check" for the correct procedure.
Place clean engine oil on the upper half and on the lower half of the connecting rod bearing.
Apply Tooling (J) to the threads of the bolts and the threads in connecting rod caps (2).
Position connecting rod cap (2) on the connecting rod and install bolts (1) in connecting rod cap (2).
Illustration 6 g01087388
(12) Side of the connecting rod with the chamfer
(13) Location pin
Tighten Bolts (A) and (B) to a torque of 90 5 N m (65 4 lb ft).
Tighten Bolts (C)