3406E On-Highway Engine Caterpillar

Removal Procedure

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Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact the skin.

1. Drain the oil from the engine oil pan into a suitable container for storage or disposal.
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   Illustration 1	g00516605

2. Remove bolts (2) and remove sound suppression panel (1), if equipped.
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3. Remove bolts (3) that fasten engine oil pan (4) to the cylinder block.

4. Remove engine oil pan (4).

5. Some engines are equipped with a plate between the engine oil pan and the cylinder block. Remove the bolts and the plate from the cylinder block. Remove the plate gasket. The weight of the plate is approximately 24 kg (53 lb).

Installation Procedure

1. Apply Tooling (A) on the sealing surface of the engine oil pan and on the connecting joints of the front plate, oil pan gasket, cylinder block, and the flywheel housing. Install a new gasket on the engine oil pan.

2. Position a new gasket on the cylinder block and install the plate, if equipped. The weight of the plate is approximately 24 kg (53 lb).
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3. Position engine oil pan (4) and install bolts (3). Tighten bolts (3) to a torque of 55 ± 10 N·m (41 ± 7 lb ft).

4. Tighten the drain plug to a torque of 70 ± 15 N·m (52 ± 11 lb ft).
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5. If the engine is equipped with a sound suppression panel, position sound suppression panel (1) and install bolts (2).

6. Fill the engine to the correct level with oil. Refer to Operation and Maintenance Manual, "Refill Capacities".