SEAL-CRANKSHAFT 2457339 - Caterpillar

Illustration 1 g03334223
Rear view
Table 1
Specification for 380-5020 Accessory Drive Gp
Item Qty Part Specification Description
1 1 7N-2047 Dowel Extension of the new dowel is 4.5 0.5 mm (0.18 0.02 inch).
2 1 7C-3258 Thrust Washer Assembly Thickness of the new thrust washer is 7.00 0.15 mm (0.276 0.006 inch).
3 2 157-2811 Thrust Washer Thickness is 8.50 0.05 mm (0.335 0.002 inch).
Illustration 2 g03334224
Table 2
Item Qty Part Specification Description
4 1 259-4598 O-Ring Seal Before assembly, lightly lubricate the bore with the lubricant that is being sealed.
5 1 144-8263 Idler Gear As After installation, bore of 140-9597 Bushing is 90.000 0.010 mm (3.5433 0.0004 inch).
Installation depth of bushing is 2.3 0.5 mm (0.09 0.02 inch).
6 1 7C-3260 Shaft Diameter is 89.880 0.020 mm (3.5386 0.0008 inch).
7 2 7N-7539 Thrust Washer Thickness is 8.50 0.05 mm (0.335 0.002 inch).
8 1 7N-5874 Auxiliary Drive Shaft Diameter is 74.900 0.015 mm (2.9488 0.0006 inch).
Width of the groove for thrust washer (7) is 8.75 0.10 mm (0.344 0.004 inch).
9 1 315-2643 Pump Drive Shaft Diameter is 74.900 0.015 mm (2.9488 0.0006 inch).
Width of the groove for thrust washer (3) is 8.75 0.10 mm (0.344 0.004 inch).