. OPERATION MACHINE OPERATIONS AND CONTROLS Attachment Operations WARNING Operate the attachment as follows. When Using Breaker the 3 - 105 Do not put your foo t on the pedal except when o perating the pedal. If res t your foot on t he pedal d uring operations, an d it is depressed by accid ent, the attachment m ay move sudden and cause serio us damage or in jury. NOTICE Never attempt to us position (c). That wi ll likely cause damage to the h ydraulic equipment engine overheating. 1. If the pedal is depressed forward with lock pin (1) set at the stroke positio n (b), the breaker be gins to 2.
After the wor k is finished, return position (a) to Precautions when u Check that the stopper valve is in t he FRE E position Check that the breaker. Check that sele ctor valve locking b ar (2) i s properly i nstalle the position for breaker application osition for For details of pther precautions w hen handling the breaker, read and use correctly the instruction manual rer. ulic oil degrades faster than in normal operation. Shorten the maintenance r element. FOR HYDRAULIC BREAKER (PAGE 4-15)". anual provided by the breaker manufactu When breaker is used, the hydra interval of the h ydraulic oil and filte r eleme See "MAINTEN ANCE INTERVAL FOR H YDRAULIC BREAKER (PAGE 4-15 andling the