980K Wheel Loader Electrohydraulic System Caterpillar

Piston Pump (Implement)

Usage:

980K GTZ

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Illustration 1	g03201603

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Illustration 2	g03201604

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Table 1
Specification for 274-8016 Piston Pump Gp
Item	Qty	Part	Specification Description
1	1	9S-8006 O-Ring Plug	Torque to 60 ± 6 N·m (44 ± 4 lb ft).
2	1	286-1677 Guide	Before assembly, apply anaerobic retaining compound to the surface.
3	1	9S-4181 O-Ring Plug	Torque to 150 ± 15 N·m (111 ± 11 lb ft).
4	2	7X-1553 Lip Type Seal	Before assembly, apply red Loctite 271 to the surface.
5	3	286-1675 Bolt	Torque to 9.5 N·m (7 lb ft).
6	As required use the plates:
	2	131-4654 Plate	Thickness of each is 0.05 mm (0.002 inch).
	2	131-4655 Plate	Thickness of each is 0.075 mm (0.0030 inch).
	2	131-4656 Plate	Thickness of each is 0.10 mm (0.004 inch).
7	As required use the plates:
	1	131-4650 Plate	Thickness is 0.05 mm (0.002 inch).
	1	131-4651 Plate	Thickness is 0.075 mm (0.0030 inch).
	1	131-4652 Plate	Thickness is 0.10 mm (0.004 inch).
8	2	286-1699 Spring	Free length is 116.5 mm (4.59 inch).
9	2	197-0083 Spring	Free length is 51.5 mm (2.03 inch).

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