GEAR AS-REDUCTION 2494798 - Caterpillar

Removal Procedure
Start By:
Remove the engine oil pan.Note: Refer to Specification UENR0995 "Engine Design" for non-specified engine Torque Values.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Discard all used Connecting Rod fasteners.
Note: If all connecting rod bearings require replacement, the procedure can be carried out on two cylinders at the same time. The procedure can be carried out on the following pairs of cylinders. 1 with 4 and 2 with 3. Ensure that both pairs of the connecting rod bearings are installed before changing from one pair of cylinders to another pair of cylinders. Refer to Disassembly and Assembly, "Connecting Rod Bearings - Install" for the correct procedure.
Illustration 1 g02798265
Remove bolt (2), the O-ring seal, and oil pump screen (1).
Illustration 2 g02798267
The connecting rod and the connecting rod cap should have an etched Number (X) on the side. The number on the connecting rod and the connecting rod cap must match. If necessary, make a temporary mark on the connecting rod and connecting rod cap (4) in order to identify the cylinder number.
Remove bolts (3). Remove connecting rod cap (4) from