OPERATING THE MACHINE • Do not operate breaker with the arm positioned vertically. Excessive vibration to the arm cylinder will occur, causing oil leakage. WRONG M147-05-013 • Press the breaker so that the chisel (the axis) is positioned and thrusted perpendicular to the object. RIGHT WRONG M147-05-014 • Do not operate the breaker continuously longer than one minute. Excessive chisel wear will result. If an object could not be broken within one minute, apply the chisel to other locations, less than one minute for each location. If an object could not be broken within one minute, apply the chisel to other locations, less than one minute for each location.
M147-05-015 • Raising the front part of the undercarriage by pressing down the breaker may cause damage to the front attach- ment. Although raising the front edge of the undercar- riage up to 150 mm (6 in) is tolerable, do not practice this method more than necessary. Never raise the front edge of the undercarriage higher than 150 mm (6 in) by press- ing the breaker down. Pressing Down Raising 100 to 150 mm M147-05-016 5-23