320E and 323E Excavators Machine System Specifications Caterpillar

Control Valve

Usage:

320E LN DFG

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Illustration 1	g02727140

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Table 1
Specification for 352-7154 Control Valve Gp
Item	Qty	Part	Specification Description
1	7	225-4818 Plug As	Torque to 10 ± 1 N·m (89 ± 9 lb in).
2	2	323-7599 Check Valve Spring	Length under test force is 34.50 mm (1.358 inch). Test force is 15.5 ± 0.8 N (3.5 ± 0.2 lb). Free length after test 38.55 mm (1.518 inch).
3	2	6V-3922 O-Ring Seal	Lubricate the O-ring seals lightly with the lubricant that is being sealed.
4	2	4I-6397 Backup Ring	Lubricate the backup rings lightly with the lubricant that is being sealed.
5	2	255-5762 Plug	Torque to 170 ± 17 N·m (125 ± 13 lb ft).
6	1	335-0266 Stop Plug	Torque to 105 ± 10 N·m (77 ± 7 lb ft).
7	1	095-1584 O-Ring Seal	Lubricate the O-ring seal lightly with the lubricant that is being sealed.
8	1	095-1783 Backup Ring	Lubricate the backup ring lightly with the lubricant that is being sealed.
9	1	335-0265 Stop Plug	Torque to 170 ± 17 N·m (125 ± 13 lb ft).
10	2	225-4820 Plug As	Torque to 23 ± 2 N·m (204 ± 18 lb in).
11	1	335-0376 Solenoid and Pressure Reducing Valve Gp	Before assembly, lubricate the O-ring seals of the solenoid and pressure reducing valve group lightly with the lubricant that is being sealed.
12	2	7I-2272 Bolt	Torque to 7 ± 1 N·m (62 ± 9 lb in).
13	1	335-0199 Connector As	Torque to 105 ± 10 N·m (77 ± 7 lb ft).

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Illustration 2	g02727141
View of area A

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Table 2
Item	Qty	Part	Specification Description
14	2	310-0203 Solenoid Valve Gp	Before assembly, lubricate the O-ring seals of the solenoid valve group lightly with the lubricant that is being sealed. Torque to 78 ± 5 N·m (58 ± 4 lb ft).
15	2	153-5288 Spring	Length under test force is 52.5 mm (2.07 inch). Test force is 145.4 ± 7.3 N (32.7 ± 1.6 lb). Free length after test 55.7 mm (2.19 inch).
16	3	335-0264 Stop Plug	Torque to 270 ± 27 N·m (199 ± 20 lb ft).
17	1	095-8024 Backup Ring	Lubricate the backup ring lightly with the lubricant that is being sealed.
18	1	095-1578 O-Ring Seal	Lubricate the O-ring seal lightly with the lubricant that is being sealed.
19	1	285-1418 Spring	Length under test force is 61.50 mm (2.421 inch). Test force is 212.4 ± 10.6 N (47.8 ± 2.4 lb). Free length after test 77.300 mm (3.0433 inch).

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