SEAL-O-RING 8M4390 - Caterpillar

Removal Procedure
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Drain the engine oil into a suitable container for storage or for disposal.
Illustration 1 g01123595
Remove bolts (1) that hold the connector for the oil pump to engine oil pan (2).
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Remove bolts (3) that connect engine oil pan (2) to the cylinder block.
Improper lift rigging can allow unit to tumble causing injury and damage.
Illustration 3 g01123599
Attach a suitable lifting device to the engine lifting eyes.
The weight of the 3508B Engine is approximately 4445 kg (9800 lb). The weight of the oil pan is approximately 240 kg (530 lb).
The weight of the 3512B Engine is approximately 5900 kg (13,000 lb). The weight of the oil pan is approximately 295 kg (650 lb).
The weight of the 3516B Engine is approximately 7711 kg (17,000 lb). The weight of the oil pan is approximately 409 kg (900 lb).
Lift the engine from the oil pan.
Illustration 4 g01123600
Remove oil pan gasket (4) from the engine oil pan. Remove O-ring seal (5). Remove bolts (6). Remove flange (7) from the engine oil pan. Remove seal (8) from the flange.