12M Series 2, 140M Series 2 and 160M Series 2 Motor Graders Hydraulic and Steering System Caterpillar


Control Manifold (Implement, Steering)

Usage:

12M 2 F9B



Illustration 1g03701176

Table 1
Specifications for 321-6149 Control Manifold Gp    
Item     Qty     Part     Specification Description    
1     1     8C-3446 Fluid Sampling Valve     Torque to 11 to 13 N·m (97 to 115 lb in).    
2     2     348-1107 Check Valve Gp  (1)     Torque to
72 ± 3 N·m (53 ± 2 lb ft).    
3     1     252-0741 Solenoid Valve Gp     Torque to
50 ± 5 N·m (37 ± 4 lb ft).
Operating voltage is 24 VDC.
Resistance at
20° C (68° F) is 26.96 ± 1.35 ohms.    
4     1     Nut     Torque to
9.5 ± 1.5 N·m (84.1 ± 13.3 lb in).    
5     1     252-8038 Pressure Reducing Valve  (2)     Torque to
61 ± 4 N·m (45 ± 3 lb ft).    
6     1     Nut     Torque to
13 ± 2 N·m (115 ± 18 lb in).    
7     1     273-6499 Check Valve Gp  (3)     Torque to
185 ± 10 N·m (136 ± 7 lb ft).    
8     1     6V-0484 Elbow     Torque to
34 ± 3 N·m (301 ± 27 lb in).    
9     1     296-5270 Pressure Sensor Gp  (4)     Torque to
30 ± 3 N·m (266 ± 27 lb in).    
10     1     348-1106 Relief Valve Gp  (5)     Torque to
53 ± 3 N·m (39 ± 2 lb ft).    
11     1     Nut     Torque to
12 ± 1 N·m (106 ± 9 lb in).    
12     1     133-5330 Relief Valve Gp  (6)     Torque to
53 ± 3 N·m (39 ± 2 lb ft).    
13     1     Nut     Torque to
12 N·m (106 lb in).    
( 1 ) For more information on the 348-1107 Check Valve Gp , refer to Secondary Steering System, Specifications, "Check Valve (Secondary Steering)" story in the Secondary Steering manual for your machine.
( 2 ) For more information on the 252-8038 Pressure Reducing Valve , refer to the Specifications, "Pressure Reducing Valve (Implement Pilot)" story in this manual.
( 3 ) For more information on the 273-6499 Check Valve Gp , refer to Secondary Steering System, Specifications, "Check Valve (Secondary Steering)" story in the Secondary Steering manual for your machine.
( 4 ) For more information on the 296-5270 Pressure Sensor Gp , refer to Secondary Steering System, Specifications, "Pressure Sensor (Secondary Steering)" story in the Secondary Steering manual for your machine.
( 5 ) For more information on the 348-1106 Relief Valve Gp , refer to Secondary Steering System, Specifications, "Relief Valve (Secondary Steering)" story in the Secondary Steering manual for your machine.
( 6 ) For more information on the 133-5330 Relief Valve Gp , refer to the Specifications, "Relief Valve (Main)" story in this manual.

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