SWITCH AS-PRESSURE 2071709 - Caterpillar

Check
Rotate the blade so that the blade is placed at an angle of 90 degrees to the frame. Lower the blade to the ground. While you maintain a light load between the drawbar ball and the socket, inch the machine slowly to the rear. Stop the machine and shut off the engine.
Illustration 1 g00268392
Measure the end play that is between the drawbar ball (6) and the drawbar cap (4). The end play should be 0.6 0.2 mm (.02 .01 inch). Adjust the end play, if necessary.Adjust
Support the drawbar and support the circle.
Remove the four bolts that hold the drawbar to the bolster. Move the drawbar backward or move the machine forward.
Illustration 2 g00109786
Remove the two capscrews (1) from the drawbar cap (4) that holds the drawbar and the adapter (2) together. Remove the adapter.
As required, remove the shims (3) or install the shims (3) in order to attain an end play of 0.6 0.2 mm (.02 .01 inch).
Install the two capscrews (1) in the drawbar cap (4) and adapter (2). Rotate the drawbar cap (4) by hand. The socket should rotate freely on the drawbar ball (6) .
Illustration 3 g00109787
Check the torque on the five bolts (5) that hold the drawbar ball (6) in place. The correct torque is 500 20 N m (370 15 lb ft).
Assemble the drawbar to the bolster. Tighten the four bolts to a torque of 700 40 N m (515 29 lb ft).