12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Caterpillar


Pressure And Flow Compensator Valve

Usage:

Remove And Install Flow Compensator Valve

Start By:

a. drain hydraulic oil

1. Disconnect line (1) from pressure and flow compensator valve (4).

2. Remove bolts (3) and remove pressure and flow compensator valve (4) from hydraulic pump (2).

3. Remove gasket seals (6) from the body of pressure and flow compensator valve (4). Remove fitting (5) from pressure and flow compensator valve (4).

4. Remove adjustment nut (4) and the plug. Remove plug (5).

5. Remove adjustment plug (7). Remove plug (8).

6. Remove seat (10), spring (9), and spacer (11). Remove valve spool (12).

7. Remove adjustment screw (13) and plug (14) from the body.

8. Remove seat (16), spring (18) and spacer (19). Remove valve spool (20).

NOTE: The following steps are for installation of the pressure and flow compensator valve.

9. Install valve spool (20) and plug (15). Torque plug (15) to 11 to 12 N·m (8 to 9 lb.ft.). Install seal (17) on seat (16). Install plug (14). Install adjustment screw and nut (13) in plug (14).

10. Install valve spool (12) and plug (8). Torque plug (8) to 11 to 12 N·m (8 to 9 lb.ft.). Install spacer (11), spring (9), seat (10) and adjustment plug (7).

11. Install fitting (5) on valve body (4). Install gasket seals (6).

12. Position pressure and flow compensator valve (4) on hydraulic pump (2). Install four bolts (3) and torque to 34 ± 3 N·m (25 ± 2 lb.ft.).

13. Install oil line (1).

End By:

a. fill the hydraulic tank with oil to its correct level.

Caterpillar Information System:

12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Pump Drive
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Hydraulic Tank
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Circle Drive
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Circle Drive Motor
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Circle Drawbar
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Swivel Joint
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Blade Tip Cylinder
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Blade Centershift Cylinder
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Blade Sideshift Cylinder
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Centershift Lockplate Bushings
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Blade Lift Bar
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Centershift Lock Control Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Hydraulic Pump
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Hydraulic Control Valves
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Brake Control Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Parking Brake Rotochamber And Release Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Parking Brake Release Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Differential Lock Actuator Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Fuel Tank
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Articulation Cylinders
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Hydraulic Cylinders
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Main Frames
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Pivot Pin Bearings
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS Rear Bumper
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.