OPERATION 12.12 ADJUSTING WORK EQUIPMENT POSTURE WARNING Stop the machine on flat ground and put blocks in front and behind the wheels. Apply the parking brake. Secure the front and rear frames with safety bar. Never go under the work equipment when the arm is raised. The boom kickout allows setting the bucket to automatically stop at the desired lifting height (lift arm higher than horizontal) and the bucket positioner sets the bucket to stop automatically at the desired digging angle. The setting can be adjusted to match the working conditions. 12.12.1 ADJUSTING BOOM KICKOUT 1. Raise the bucket to the desired height, set the lift arm control lever at Hold, and lock the lever in position.
Then stop the engine and adjust as follows. 2. Loosen two bolts (1), and adjust plate (2) so that the bottom edge is in line with the center of the sensing surface of proximity switch (3). Then tighten the nuts to the plate in position. 3. Loosen two nuts (4) to make clearance of 3 to 5 mm (0.12 to 0.20 in) between plate (2) and the sensing surface of proximity switch (3). Then tighten the nuts to hold in position. Tightening torque: 17.2 ± 2.5 N 4. After adjusting, start the engine and operate the lift arm control lever. Check that the lever is automatically returned to HOLD when the bucket reaches the desired height. 2-65 WA320-3MC