349F and 352F Excavators Machine System Specifications Caterpillar

Control Valve (Stick Lowering)

Usage:

352F-VG A9J

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Illustration 1	g01800134

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Table 1
Specification for 285-1768 Load Control Valve Gp
Item	Qty	Part	Specification Description
1	6	225-4818 Plug As	Torque to 10 ± 2 N·m (89 ± 18 lb in).
2	-	-	Torque lock nut to 16.6 ± 2.0 N·m (146.9 ± 17.7 lb in).
3	-	-	Torque holder to 58.8 ± 5.9 N·m (43.4 ± 4.4 lb ft).
4	1	486-3207 Pilot Relief Valve Gp	Torque to 95 ± 14 N·m (70 ± 10 lb ft).
5	4	8T-4139 Bolt	Torque to 100 ± 20 N·m (74 ± 15 lb ft).
6	2	225-4820 Plug As	Torque to 23 ± 2 N·m (204 ± 18 lb in).
7	1	8J-6815 Orifice Plug	Torque to 13 ± 2 N·m (115 ± 18 lb in).
8	1	3H-0442 O-Ring Seal	Lubricate the bore lightly with the lubricant that is being sealed.
9	1	5C-2874 Nut	Torque to 4.0 ± 0.5 N·m (35.4 ± 4.4 lb in).
10	1	165-9513 Seat	Torque to 2.25 ± 0.25 N·m (19.91 ± 2.21 lb in).
11	1	165-9514 Plug	Torque to 48 ± 5 N·m (35 ± 4 lb ft).

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Illustration 2	g02626736
Section A-A

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Table 2
Item	Qty	Part	Specification Description
12	1	225-4797 Valve As	Torque to 215 ± 25 N·m (159 ± 18 lb ft).
13	2	122-7797 Ring	Lubricate the bore lightly with the lubricant that is being sealed.
14	2	6V-5326 O-Ring Seal	Lubricate the bore lightly with the lubricant that is being sealed.
15	1	225-4793 Valve As	Torque to 35 ± 3 N·m (26 ± 2 lb ft).
16	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).
17	2	095-1789 Ring	Lubricate the bore lightly with the lubricant that is being sealed.
18	2	095-1594 O-Ring Seal	Lubricate the bore lightly with the lubricant that is being sealed.
19	1	225-4790 Spring	Length under test force is 53.300 mm (2.0984 inch).
			Test force is 183.147 ± 9.157 N (41.173 ± 2.059 lb)
			Free length after test is 57.400 mm (2.2598 inch).
20	1	225-4792 Plug	Torque to 300 ± 40 N·m (221 ± 30 lb ft)
21	As required, use the following shims.
	1	225-4833 Shim	Thickness is 0.10 mm (0.004 inch).
	2	225-4832 Shim	Thickness is 0.20 mm (0.008 inch).
	2	225-4831 Shim	Thickness is 0.50 mm (0.020 inch).
	1	225-4830 Shim	Thickness is 1.00 mm (0.040 inch).

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