183) Bucket Full Buzzer1 There are two bucket full buzzers:one for cores and one for thatch.Use the switch in the control box onthe right side of the seat.2 When performing collection work,set the buzzer ON/OFF switch to the"ON" position.* See “6-6 Control Box”.4) Adjustment of Brush Operation Height● Adjust the brush operation height according to the operating conditions.1 Before adjusting the brush operationheight, park the machine on levelground, and stop the engine.2 Lower the brushes, loosen the lockbolt, and then turn the right and lefthandles (adjusting bolt) to adjustthe space between the ground andbrush.3 After making the adjustments, firmlytighten the lock bolt and bring thesupport bolt into contact with the bradcet to be secured.(Refer to the heights of the right and left support bolts as a guide.)5) Adjustment/Replacement of Brushes● If a brush becomes worn or too short, adjust or replace it.1 Raise the brush, stop the engine as described in step 1 of 4) Adjustment ofBrush Operation Height, loosen the three bolts securing the brush, adjust theclearance between the brush frame and brush to approximately 5 mm, andthen temporarily tighten the bolts.Slowly rotate the brushes by hand, check the clearance again, and then tight-en the three bolts.2 Follow step 1 to adjust the remaining brushes, and then tighten the bolts sothat all six brushes are uniformly in stalled.● If the brush measurements can no longer be adjusted due to wear, replace all12 brushes with new ones. Replacing only some may cause the machine to be-come unbalanced, vibrations or damage.6) Adjustment/Replacement of Rotary Plates (Rotating Blades)1 Stop the engine as described in step 1 of 4) Adjustment of Brush OperationHeight, and then open the cover.Loosen the five bolts securing the rotary plate, adjust the clearance betweenthe rotary plate and brush to approximately 5 mm, and then temporarily tight-en the bolts.Slowly rotate the rotary plates by hand, check the clearance again, and thentighten the five bolts. Follow step 1 to adjust the remaining rotary plates sothat all six rotary plates are the same.2 Close the cover, slowly rotate the rotary plates by hand, and then check theclearance again.● If the rotary plate measurements can no longer be adjusted due to wear, replaceall 6 rotary plates with new ones. Replacing only some may cause the machineto become unbalanced, vibrations or damage.7-3 Bucket DumpingNever perform high dumping on soft ground, an uneven surface or aslope since it is dangerous. It would be extremely dangerous if the ma-chine becomes unbalanced.1) Raising of Bucket (High Dumping)1 Stop the machine with the steering wheel directed straight forward.Make sure that the front wheels are also directed straight forward. If the frontwheels are not directed straight forward, the machine will become unbalanced,which is extremely dangerous.2 Stop the rotation of the brushes.3 Set the parking brake switch to the"ON" position, and then raise thebrushes.4 Shift the bucket up/down lever to-ward Up to raise the bucket andperform high dumping. Release thelever after the bucket rises to itshighest position and stops.For thatch For coresBuzzer ON/OFFswitch Buzzer selectorswitchON OFFSupport boltLock boltHandleAdjusting boltDownUpBucketUp/Down Lever UpDown㆒. ㆓. 叅. ㆕.