MACHINE OPERATIONS AND CONTROLS OPERATION Do not immerse the machine in water by more than the permis- sible depth (under center of carrier roller (1)). In addition, for parts that have been immersed in water for a long time, pump in grease until the old grease comes out from the bearings. (Around the bucket pins) Digging Hard Rocky Ground 0. It is better to excavate hard rocky ground after breaking it up by some other means. This will not only reduce dam- age to the machine but make for better economy. Avoid Interference Between Arm Cylinder And Obstacles 0. When the arm is operated, the position of the rear tip of the arm cylinder changes.
Be careful not to get the wiring caught or hit anything in the surrounding area. Attention To Boom And Obstacles When Machine Takes Posture For Min. Turning Radius 0. When the boom is extended to the maximum, the back of the boom gets close to the turning radius at the rear of machine. Take good care so that the boom will not hit objects in the sur- roundings. Protection Of Sensors From Obstacles 0. Be careful not to hit interference prevention sensors or sensor levers with other objects (logs, ditches, steel sheets, etc.). 3-64