120H Motor Grader Hydraulic and Steering System Caterpillar


Drawbar

Usage:

120H 2AN



Illustration 1g00047544

Top View




Illustration 2g00008281

Section A-A




Illustration 3g00008283

Section B-B




Illustration 4g00050002

Side View




Illustration 5g00008285

Detail Of Circle Adjustment

(1) Torque for four bolts ... 700 ± 40 N·m (520 ± 29 lb ft)

(2) Thickness of shim ... 0.80 mm (.031 inch)

(3) Thickness of shim ... 0.25 mm (.010 inch)

As required, use 8X-8409 Shim (2) and 8X-8408 Shim (3) to achieve the following endplay with face (6). ... 0.60 ± 0.20 mm (.024 ± .008 inch)

(4) Mating surfaces must be free of paint and lubricant.

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

(7) Adjust the setscrews in order to obtain Dimension (C) between the circle (13) and the pinion (12). ... 50.0 + 2.5 - 0.5 mm (1.97 + .10 - .02 inch)

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

Note: Hold setscrews (7) when you are tightening nuts (8) .

(9) Thickness of shim ... 0.76 mm (.030 inch)

(10) Thickness of shim ... 0.25 mm (.010 inch)

As required, use 6G-1915 Shim (9) and 6G-1914 Shim (10) to obtain the maximum clearance at Dimension (B). ... 0.5 mm (.02 inch)

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

With the circle in contact with the front shoes, adjust the setscrews on the rear shoes in order to obtain the following maximum clearance at Dimension (A). ... 0.8 mm (.03 inch)

Note: Hold the setscrews when you are tightening the nuts.

(11) Torque for 12 bolts ... 475 ± 60 N·m (350 ± 44 lb ft)

Caterpillar Information System:

120H Motor Grader Hydraulic and Steering System Ripper Cylinder
631E Series II Wheel Tractor-Scrapers Aftermarket Oil Additives
854G Wheel Dozer Engine Water Pump - Inspect
120H and 135H Motor Graders Hydraulic and Steering System Drawbar
120H and 135H Motor Graders Hydraulic and Steering System Circle
120H and 135H Motor Graders Hydraulic and Steering System Blade Lift
12H, 140H and 160H Motor Graders Hydraulic and Steering System Circle
12H, 140H and 160H Motor Graders Hydraulic and Steering System Blade Lift
584 and 584HD Forwarders Decommissioning and Disposal
834B and 836 Landfill Compactor Engine Shutdown Control
446B Backhoe Loader Warranty Information
12H, 140H and 160H Motor Graders Hydraulic and Steering System Blade Lift Control Valve
12H, 140H and 160H Motor Graders Hydraulic and Steering System Snow Plow/Bulldozer Relief Valve
12H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System Control Valve (Snow Plow/Dozer Lift)
824G , 825G and 826G Landfill Compactor Mounting and Dismounting
834B and 836 Landfill Compactor Cooling System Water Temperature Regulator - Replace
584 and 584HD Forwarders Oil Filter - Inspect
844 Wheel Dozer Battery, Battery Cable or Battery Disconnect Switch - Replace
988G Wheel Loader Bucket Cutting Edges - Inspect/Replace
416C, 426C, 428C, 436C and 438C Backhoe Loaders Bucket Tips - Inspect/Replace
824G , 825G and 826G Landfill Compactor Lighter
966G and 972G Wheel Loaders Engine Air Filter Secondary Element - Replace
584 and 584HD Forwarders Radiator Core - Clean
561M Pipelayer Transmission Oil Filter
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.