OPERATION 12.12.2 ADJUSTING THE BUCKET POSITIONER 1. Lower the bucket to the ground and adjust the bucket to the desired digging angle. Set the bucket control lever at HOLD, stop the engine and adjust as follows. 2. Loosen the two bolts (1) and adjust the mounting bracket (4) of the proximity switch so that the rear tip of the angle (2) aligns with the center of the sensing surface of the proximity switch(3). Tighten the bolts to hold the bracket in position. 3. Loosen the two nuts (5) and adjust them to obtain from 3 to 5 mm (0.12 to 0.20 in) clearance between the bar (2) and the sensing surface of the proximity switch (3). Tighten the nuts. Tightening torque: 17.2 ± 2.5 N 4.
After adjusting, start the engine and raise the lift arm. Operate the bucket control lever to the DUMP position. Operate the lever to the TILT position and check that the bucket control lever automatically returns to HOLD when the bucket reaches the desired angle. 12.12.3 BUCKET LEVEL INDICATOR An angle iron welded to the rear of the bucket provides the operator with a visible indication of the blade angle. Side A is parallel to the cutting edge, making side B 90 g edge. WA450-3MC 2-71