DISC 5454873 - Caterpillar

Specifications
Illustration 1 g02594759
Table 1
Specification for 322-8714 Travel Counterbalance Valve Gp    
Item     Qty     Part     Specification Description    
1     2     360-4588 Relief Valve Gp     Torque to
270.0 27.0 N m (199.1 19.9 lb ft).    
2     -     -     Torque for the nuts of the relief valve groups is
68.6 7.0 N m (50.6 5.2 lb ft).    
3     8     8T-7811 Bolt     Torque to
78.5 8.0 N m (57.9 5.9 lb ft).    
4     2     102-0818 Plug     Torque to
32.0 3.0 N m (283.2 26.6 lb in).    
5     2     360-4583 Spring     Length under test force is
49.2 mm (1.94 inch).
Test force is
280 N (63 lb).
Free length after test is
68.2 mm (2.69 inch).    
6     2     360-4587 Spring     Length under test force is
28.5 mm (1.12 inch).
Test force is
4.63 0.50 N (1.04 0.11 lb).
Free length after test is
47.2 mm (1.86 inch).    Assembly Procedure
Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. Prior to installation, lubricate all seals with clean oil.
Illustration 2 g01368455
Illustration 3 g01368491
Note: The grooved side of spacer (19) faces spring (21) .
Install spool (20) into counterbalance valve (3). Install spacer (19) onto spool (20) .
Install spring (21) and sleeve (22) .
Illustration 4 g01368503
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Position cover (18) and install bolts (17). Tighten bolts (17) to a torque of 79 8 N m (58 6 lb ft).
Repeat Steps 1 through 3 for the remaining cover.
Assemble the relief valves in the following manner:
Illustration 5 g01368449
Install O-ring seal (7) and backup rings (6) onto piston (5) .
Install piston (5) into body (14) .
Install O-ring seal (9) and backup ring (8) onto stop (10) .
Install stop (10) and screw (15) into body (14) .
Install nut (16). Tighten nut (16) to a torque of 92 8 N m (68 6 lb ft).
Install O-ring seal (13) onto body (14) .
Install O-ring seal (12) and backup rings (11) .
Repeat Steps 5.a through 5.g for the remaining relief valve.
Illustration 6 g00901497
Install relief valves (4) into counterbalance valve (3). Tighten relief valves (4) to a torque of 540 50 N m (398 37 lb ft).
Illustration 7 g00901466
Install O-ring seals (2) onto plugs (1). Install plugs (1) into counterbalance valve (3). Tighten plugs (1) to a torque of 31 3 N m (23 2 lb ft).End By: Install the counterbalance valve. Refer to Disassembly and Assembly, "Counterbalance Valve (Travel) - Remove and Install".