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SOCKET 3C8508 - Caterpillar

3C8508 SOCKET Caterpillar parts
Alternative (cross code) number:
Caterpillar 3C8508 SOCKET
Weight: 0.80 pounds 0 kg.

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Illustration 1 g02546197
Before operation, the pump must be lubricated with clean engine oil and the pump must turn freely by hand or damage to parts can be the result.
Table 1
Specification for the 161-4113 Engine Oil Pump Gp
Item Qty Part Specification Description
1 1 127-6356 Pump Cover Flush 8S-6511 Bushing with the face of the pump cover.
2 1 2S-2760 Spring Length under test force is 117.14 mm (4.612 inch).
Test force is 499 24 N (112 5 lb).
Approximate free length after test is 152.91 mm (6.020 inch).
A 1 4N-5273 Pump Drive Shaft Diameter of pump drive shaft is 22.217 0.005 mm (0.8747 0.0002 inch).
Bore in oil pump cover for bushing for pump drive shaft is 25.400 0.013 mm (1.0000 0.0005 inch).
B 1 1W-7240 Gear Length of the gear is 79.375 0.025 mm (3.1250 0.0010 inch).
Depth of bore is 79.502 0.020 mm (3.1300 0.0008 inch).
3 1 - Install the bushings so that the bushings are even with the outside of the oil pump body.
Angle from the centerline of the oil pump body to the bushing joint of the bushing is 30 15 degrees.
D 1 8M-8489 Dowel Installation depth of the dowel in the oil pump is 6.4 0.5 mm (0.25 0.02 inch).
E 1 - Installation depth of the bushing in the oil pump housing is 0.30 0.25 mm (0.012 0.010 inch)

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