ACTUATOR 2451596 - Caterpillar

Illustration 1 g02576404
Front view
(1) Water pump drive gear
Illustration 2 g02576406
Section B-B
Illustration 3 g02576407
Adapter assembly
Table 1
Specification for the 7E-7647 Accessory Drive Gp 156-9812 Accessory Drive Gp
Item Qty Part Specification Description
2 1 6V-8260 O-Ring Seal Lightly lubricate the bore of the O-ring seals with the lubricant that is being sealed.
2 259-4598 O-Ring Seal
3 1 7C-3260 Shaft Diameter of the new shaft is 89.88 0.02 mm (3.539 0.001 inch).
4 1 144-8263 Idler Gear As After installation bore of 140-9597 Bushing is 90.000 0.010 mm (3.5433 0.0004 inch).
5 1 7N-5874 Auxiliary Drive Shaft Diameter of the new auxiliary drive shaft is 74.900 0.015 mm (2.9488 0.0006 inch).
Width of groove in the new auxiliary drive shaft for the thrust washer is 8.75 0.10 mm (0.344 0.004 inch).
6 2 7N-7539 Thrust Washer Thickness of the new thrust washer is 8.50 0.05 mm (0.335 0.002 inch).
C 1 127-5400 Bushing Bore after installation (D) is 75.140 0.055 mm (2.9583 0.0022 inch).
Installation depth is 1.5 mm (0.06 inch).