349F and 352F Excavators Machine System Specifications Caterpillar

Control Valve (Boom Lowering)

Usage:

352F-VG A9J

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Illustration 1	g01627674

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Table 1
Item	Qty	Part	Specification Description
1	4	225-4818 Plug As	Torque to 10 ± 2 N·m (86 ± 18 lb in).
2	9	5M-9624 Shim	As required, use to adjust the pilot pressure so that the cylinder flow starts to pass through the control valve
2	9	5M-9624 Shim	Thickness is 0.25 mm (0.010 inch).
3	9	6J-6855 Shim	As required, use to adjust the required distance (C):
3	9	6J-6855 Shim	Thickness is 0.12 mm (0.005 inch).
C	-	-	Distance between the guide and the piston is 7.75 ± 0.10 mm (0.305 ± 0.004 inch).
4	1	203-2076 Spring	Length under test force is 51.3 mm (2.02 inch).
			Test force is 206.64 ± 20.00 N (46.45 ± 4.50 lb).
			Free length after test is 55.58 mm (2.188 inch).
5	1	293-0653 Guide	Torque to 35 ± 4 N·m (26 ± 3 lb ft).
6	4	225-4820 Plug As	Torque to 23 ± 2 N·m (204 ± 18 lb in).
7	1	222-3347 Flow Control Valve Gp	Torque to 215 ± 25 N·m (156 ± 18 lb ft).
8	1	2S-2596 Spring	Length under test force is 7.9 mm (0.31 inch).
			Test force is 4.0 ± 0.5 N (0.9 ± 0.1 lb).
			Free length after test is 33.3 mm (1.31 inch).
9	1	486-3207 Pilot Relief Valve Gp	Torque to 95 ± 14 N·m (70 ± 10 lb ft).
10	1	8J-6815 Orifice Plug	Torque to 13 ± 2 N·m (115 ± 18 lb in).

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