120H and 135H Motor Graders Hydraulic and Steering System Scarifier Caterpillar


Scarifier
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120H and 135H Motor Graders Hydraulic and Steering System [RENR4161]
WORK TOOLS
SCARIFIER GP
120H and 135H Motor Graders Hydraulic and Steering System Scarifier
120H and 135H Motor Graders Hydraulic and Steering System Scarifier



Illustration 1g01391897

Side view

(3) Scarifier cylinder

(1) Torque for grease fitting ... 25 ± 5 N·m (220 ± 45 lb in)

(2) Assemble the collars in order to allow minimum free play of the shaft.

(4) Torque for two bolts ... 170 ± 60 N·m (125 ± 44 lb ft)

(5) Thickness of shim ... 0.76 mm (0.030 inch)

Note: As required, use shims (5) to obtain a loose fit of 0.38 to 1.14 mm (0.015 to 0.045 inch).




Illustration 2g01392411

Top view

(7) Thickness of 198-9811 Spacer ... 3.0 mm (0.12 inch)

(8) Thickness of 198-9812 Spacer ... 2.0 mm (0.08 inch)

Note: As required, use spacers (7) and (8) in order to obtain a minimum gap.




Illustration 3g01391008

View B-B

(C) Distance from outer face of bracket to outer bearing ... 10.0 ± 0.5 mm (0.39 ± 0.02 inch)

(D) Distance from outer face of bracket to inner bearing ... 68.0 ± 0.5 mm (2.68 ± 0.02 inch)

Note: Do not use impact driver to assemble bearings (6) in both cylinder ends.

Information System:

120H and 135H Motor Graders Hydraulic and Steering System Sideshift Cylinder
12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System Scarifier Cylinder
120H and 135H Motor Graders Hydraulic and Steering System Combination Valve
120H and 135H Motor Graders Hydraulic and Steering System Scarifier
12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System Piston Pump (Hydraulic and Steering)
143H and 163H Motor Graders Hydraulic and Steering System Scarifier Relief Valve
120H and 135H Motor Graders Hydraulic and Steering System Control Valve (Scarifier)
120H and 135H Motor Graders Hydraulic and Steering System Articulated Hitch
14H and 16H Motor Graders Hydraulic and Steering System Metering Pump (Steering)
120H and 135H Motor Graders Hydraulic and Steering System Control Valve (Blade Lift)
12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System Operator Console
120H and 135H Motor Graders Hydraulic and Steering System Metering Pump (Steering)
12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System Articulating Hitch
12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System Circle Drive
12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System Drawbar
120H and 135H Motor Graders Hydraulic and Steering System Drawbar
120H Motor Grader Hydraulic and Steering System Front Axle
143H and 163H Motor Graders Hydraulic and Steering System Pump Control Valve (Pressure and Flow Compensator)
14H and 16H Motor Graders Hydraulic and Steering System Piston Pump (Hydraulic and Steering)
143H and 163H Motor Graders Hydraulic and Steering System Ripper Control Valve
14H and 16H Motor Grader Hydraulic and Steering System Metering Pump (Steering)
12H, 140H and 160H Motor Graders Hydraulic and Steering System Ripper Control Valve
12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System Control Valve (Blade Lift)
143H and 163H Motor Graders Hydraulic and Steering System Sideshift Control Valve