320C and 322C Excavators Attachment Hydraulic System – Pilot Valve (Joystick)

Illustration 1	g02540180

Table 1

Specification for 206-3305 Pilot Valve Gp
Item	Qty	Part	Specification Description
1	1	131-5915 Special Nut	Apply Loctite 271 to the threads. Torque to 69 ± 5 N·m (51 ± 4 lb ft).
2	1	165-9431 Plate	Torque to 69 ± 5 N·m (51 ± 4 lb ft)
3	1	4I-6365 Joint	Torque to 47 ± 3 N·m (35 ± 2 lb ft).
4	4	118-4087 Spring	Free length is 10.6 mm (0.42 inch).
5	4	190-7750 Spring can replace the 165-9461 Spring in order to reduce the operating torque to 70% of the original operating torque. 190-7751 Spring can replace the 165-9461 Spring in order to reduce the operating torque to 80% of the original operating torque.
		165-9461 Spring	Free length is 41.9 mm (1.65 inch).
		190-7750 Spring	Free length is 52.0 mm (2.05 inch).
		190-7751 Spring	Free length is 60.1 mm (2.37 inch).
6	2	225-4816 Spring can replace the 165-9442 Spring in order to provide the operator with more finite control during machine operation. 244-8495 Spring can replace the 165-9442 Spring in order to provide the operator with more control that is equal to the A Series machines. 244-8499 Spring can replace the 165-9442 Spring in order to provide the operator with more control that is comparable to the A Series machines and to the B Series machines.
		165-9442 Spring	Free length is 29.7 mm (1.17 inch).
		225-4816 Spring	Free length is 30.5 mm (1.20 inch).
		244-8495 Spring	Free length is 29.2 mm (1.15 inch).
		244-8499 Spring	Free length is 29.4 mm (1.16 inch).
7	2	225-4815 Spring can replace the 165-9460 Spring in order to provide the operator with more finite control during machine operation. 244-8494 Spring can replace the 165-9460 Spring in order to provide the operator with more control that is equal to the A Series machines. 244-8498 Spring can replace the 165-9460 Spring in order to provide the operator with more control that is comparable to the A Series machines and to the B Series machines.
		165-9460 Spring	Free length is 31.1 mm (1.22 inch).
		225-4815 Spring	Free length is 32.0 mm (1.26 inch).
		244-8494 Spring	Free length is 30.1 mm (1.19 inch).
		244-8498 Spring	Free length is 30.6 mm (1.20 inch).
8	2	6V-8337 Bolt	Torque to 21.0 ± 1.5 N·m (185.9 ± 13.3 lb in).