^Utility Models ♦ Features -Hand type crusher. Useful in small space where excavators can not get in. Useful for renovation. -Comparing ordinary hand breaker, the Wall Crusher does not make noise or vibration. Thus you can avoid trouble for neighbors with noise and vibration. ♦ Operating Instruction -To be used with Hirado Hydraulic Pump (3 phase power source is required) -Choose appropriate model for the wall to break. -Place the crusher on the wall and by pushing two buttons switch, operate the crusher and proceed wall crushing. -When you finish crushing the wall, move on to the next wall in order