12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System Drawbar Caterpillar


Drawbar
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12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System [RENR4109]
IMPLEMENTS
DRAWBAR GP
12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System Drawbar



Illustration 1g01393195

Top view

(1) Torque for four bolts ... 700 ± 40 N·m (520 ± 30 lb ft)




Illustration 2g01393197

Section A-A

(2) Torque for five bolts ... 500 ± 65 N·m (370 ± 48 lb ft)

(B) Dimensions for shims

As required, use shims in order to achieve the following end play at the face (3) . ... 0.6 ± 0.2 mm (0.02 ± 0.01 inch)
8X-8409 Shim ... 0.80 ± 0.04 mm (0.031 ± 0.002 inch)
8X-8408 Shim ... 0.25 ± 0.02 mm (0.010 ± 0.001 inch)
153-7383 Shim ... 0.120 ± 0.015 mm (0.0047 ± 0.0006 inch)



Illustration 3g01393198

Side view

(4) Torque for 18 bolts ... 475 ± 60 N·m (350 ± 44 lb ft)




Illustration 4g01393199

Section C-C

(6) Torque for twelve nuts ... 200 ± 30 N·m (150 ± 22 lb ft)

Note: The circle must be able to rotate 360 degrees without causing the circle drive motor to stall at 13800 kPa (2000 psi).

(D) Dimensions for shims

As required, use shims in order to obtain the maximum clearance. ... 0.5 mm (0.02 inch)
6G-1914 Shim ... 0.76 ± 0.04 mm (0.030 ± 0.002 inch)
6G-1915 Shim ... 0.25 ± 0.02 mm (0.010 ± 0.001 inch)

(E) With the circle in contact with the front shoes, adjust the square head setscrews on the rear shoes and on the side shoes in order to obtain the following maximum clearance. ... 0.8 mm (0.03 inch)




Illustration 5g01408777

Detail of circle adjustment

Note: Adjust square head setscrews (5) in order to obtain distance (F) between circle (8) and pinion (7) .

(F) Distance between circle (8) and pinion (7) with circle in contact with front shoes ... 49.5 to 52.5 mm (1.95 to 2.07 inch)

Information System:

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 Articulating Hitch
120H and 135H Motor Graders Hydraulic and Steering System Scarifier
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 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
143H and 163H Motor Graders Hydraulic and Steering System Circle Drive Control Valve
120H and 135H Motor Graders Hydraulic and Steering System Control Valve (Blade Tip)
143H and 163H Motor Graders Hydraulic and Steering System Centershift Control Valve