CONTROL GP-COMMUNICATION 3443393 - Caterpillar

Specifications
Illustration 1 g03357600
Table 1
Specification for 237-8180 Control Manifold Gp    
Item     Qty     Part     Specification Description    
1     1     237-8181 Flow Divider Valve     Torque to
135.5 2.5 N m (99.9 1.8 lb ft).    
2     1     237-8183 Relief Valve Gp     Torque to
35.4 1.5 N m (26.1 1.1 lb ft).    
3     2     142-8977 Check Valve Gp     Torque to
68.0 5.4 N m (50.1 3.9 lb ft).    
-     -     -     Cracking pressure of the check valve is
170 kPa (25 psi) at
0.95 L/min (0.25 US gpm).    
Illustration 2 g03357619
Table 2
Specification for 432-5661 Control Manifold Gp    
Item     Qty     Part     Specification Description    
1     -     -     Torque to
27.1 1.4 N m (239.9 12.4 lb in).    
2     1     373-9483 Relief Valve Gp     Torque to
37.5 3.5 N m (27.7 2.6 lb ft).    
3     1     224-4530 Relief Valve Gp     Torque to
35.0 3.5 N m (25.8 2.6 lb ft).    
4     1     423-1787 Spring     Length under test force is
18.0 mm (0.70 inch).
Test force is
32.0 2.4 N (7.2 0.5 lb).
Free length after test is
26.42 mm (1.04 inch).    
5     1     9J-5754 Spring     Length under test force is
38.51 mm (1.516 inch).
Test force is
66.7 5.3 N (15.0 1.2 lb).
Free length after test is
50.5 mm (1.99 inch).    
6     -     -     Tighten the nut to
6.1 0.7 N m (53.9 6.2 lb in)    Assembly Procedure
Illustration 3 g01151857
Install O-ring seals (9) and backup ring (10) onto relief valve (8) .
Illustration 4 g01151855
Install relief valve (8) into control manifold (1). Tighten relief valve (8) to a torque of 35 4 N m (26 3 lb ft).
Illustration 5 g01151854
Install O-ring seals (6) and backup rings (7) onto flow divider valve (3) .
Illustration 6 g01151853
Install O-ring seals (4) and backup ring (5) onto check valve (2). Repeat this Step for the other check valve.
Illustration 7 g01151852
Install check valves (2) into control manifold (1). Tighten check valves (2) to a torque of 35 4 N m (26 3 lb ft).
Install flow divider valve (3) into control manifold (1). Tighten flow divider valve (3) to a torque of 68 7 N m (50 5 lb ft).End By: Install the control manifold.