3508, 3512 and 3516 Generator Set Engines Caterpillar

Removal Procedure

Start By:

1. Remove the piston cooling jets.

1. Use Tooling (A) to turn the flywheel in order to access the connecting rod cap that will be removed.
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   Illustration 1	g01064418

   Note: 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.

2. Remove bolts (1) and connecting rod cap (2) from the crankshaft.

3. Push the connecting rod away from the crankshaft and remove the upper half of the connecting rod bearing.
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   Illustration 2	g01064420

4. Remove lower half (3) of the connecting rod bearing from connecting rod cap (2).

Installation Procedure

1. Check the clearance of the bearings.

2. Place clean engine oil on the connecting rod bearings.
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   Illustration 3	g01064420

3. Install lower half (3) 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 the connecting rod cap.

4. Install the upper half of the connecting rod bearing in the connecting rod. Ensure that the tab on the back of the bearing is in the bearing tab groove on the connecting rod.

5. Position the connecting rod on the crankshaft.
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   Illustration 4	g01064418

6. Position connecting rod cap (2) onto the connecting rod. Ensure that the number on the side of connecting rod cap (2) corresponds to the number that is on the connecting rod.

7. Apply Tooling (B) to bolts (1) and install bolts (1).
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   Illustration 5	g01064455
   (4) Side of the connecting rod with the chamfer (5) Location pin

   1. Tighten Bolts (A) and (B) to a torque of 90 ± 5 N·m (65 ± 4 lb ft).

   2. Tighten Bolts (C) and (D) to a torque of 90 ± 5 N·m (65 ± 4 lb ft).

   3. Tighten Bolts (C) and (D) again to a torque of 90 ± 5 N·m (65 ± 4 lb ft).

   4. Tighten all of the bolts for an additional 90 ± 5 degrees (1/4 turn).

8. Check the side clearance that is between two of the connecting rods that are on the same journal. The clearance must be 0.850 ± 0.332 mm (0.0335 ± 0.0130 inch).

End By:

1. Install the piston cooling jets.