C175-16 Locomotive Engine Caterpillar

Engine Oil Pump

Usage:

C175-16 3A9

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Illustration 1	g02889676

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Table 1
Specification for 341-2500 Engine Oil Pump Gp
Item	Qty	Part	Specification Description
Before you install the pump, lubricate the moving parts with clean engine oil. Rotate the pump by hand in order to ensure that the pump rotates freely.
1	1	297-4671 Gear	Length of the new gear is 108.00 ± 0.02 mm (4.252 ± 0.001 inch). Depth of the bore in the oil pump body for new gear is 108.20 ± 0.02 mm (4.260 ± 0.001 inch).
2	1	341-2501 Drive Shaft As	Diameter is 59.930 ± 0.008 mm (2.3594 ± 0.0003 inch). Distance (B) from the end of the shaft to the gear face is 114.90 ± 0.05 mm (4.524 ± 0.002 inch).
3	1	296-5584 Oil Pump Shaft Assembly	Diameter is 59.930 ± 0.008 mm (2.3594 ± 0.0003 inch). Distance (C) from the end of the shaft to the gear face is 43.0 ± 0.5 mm (1.69 ± 0.02 inch).
4	1	296-5586 Gear	Length of the new gear is 108.00 ± 0.02 mm (4.252 ± 0.001 inch). Depth of the bore in the oil pump body for new gear is 108.20 ± 0.02 mm (4.260 ± 0.001 inch).

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Illustration 2	g06060931

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Table 2
Item	Qty	Part	Specification Description
E	-	-	Position for the bushing joints from the centerline through the bushing bores of the 296-5591 Oil Pump Body As is 30 ± 15 degrees.
5	1	4W-3996 Bushing	Before installation, outside diameter is 66.126 ± 0.013 mm (2.6034 ± 0.0005 inch). Installation depth (F) is 1.50 ± 0.25 mm (0.059 ± 0.010 inch).
6	1	4W-3997 Bushing	Before installation, outside diameter is 66.126 ± 0.013 mm (2.6034 ± 0.0005 inch). Installation depth (F) is 1.50 ± 0.25 mm (0.059 ± 0.010 inch).

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Illustration 3	g02889678

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Table 3
Item	Qty	Part	Specification Description
H	-	-	Position for the bushing joints from the centerline through the bushing bores of the 297-4673 Oil Pump Cover is 30 ± 15 degrees.
7	1	4W-3997 Bushing	Before installation, outside diameter is 66.126 ± 0.013 mm (2.6034 ± 0.0005 inch). Installation depth (J) is 1.5 ± 0.5 mm (0.06 ± 0.02 inch).
8	1	4W-3996 Bushing	Before installation, outside diameter is 66.126 ± 0.013 mm (2.6034 ± 0.0005 inch). Installation depth (J) is 1.5 ± 0.5 mm (0.06 ± 0.02 inch).
K	2	7N-5683 Dowel	Extension of dowels from the oil pump cover is 8.0 ± 0.5 mm (0.31 ± 0.02 inch).

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