. ATTACHMENTS, OPTIONS HANDLING EPC WORK EQUIPMENT LEVER lights up. Position (a): HARD mode Position (b): SOFT mode N position: OFF or HARD, see "SELECTING 6 - 48 METHOD OF OPERATION 1. Turn the semi auto diggin g switch on the right switch OFT or HARD). e switch is turne d ON, the p ilot lamp inside REMARK For details o f the selection o DIGGING P ATTERN (PAGE 2. Lower th e bucket to the g round as in the normal digg ing work an d trave l the machine fo rward. W hen the b ucket teeth dig into the ground, press the kick-down switc h. SE, the bucket will automatically start tilting back. 3. If the buc ket tip is dug int o the grou nd at boom RAI will automatically start tiltin g back.
Besides, in the de speed th The sem when the boom hydraulica lly stalls in the d igging work where the boom leve r is pulle d back and held tent, the machine automatically starts the bucket to tilt back and maintains the optimum boom raise ereafter. i-auto digging pilot lamp on the main monitor lights up during automatic digging work. maintains boom raise i-auto digging pi lot lamp on the main monit or lights up during automatic digging work. SELECTING DIGGING PATTERN for operating the bucket tilt. The followin g 2 modes can b e selected for operating th e bucket tilt.
The semi auto digging sw itch on the right switch pan el is used t o selec t the mode (1) SOFT mo de e is effective when handling crushed rock or other light load materials. et tilt actuation is controlled continuously. ode e is effective when handling heavy load materials. et tilt actuation is controlled intermittently. This mod The buck e is effective wh en handlin g crushed rock or other ligh t load materials. et tilt actuation i s controlled (2) HARD m This mod The buck e is effective wh en handlin g heavy load ma et tilt actuation i s controlled intermittently. MANUAL OPERATION DURING AUTOMATIC CO I t is possible bucket tilt.
As the bucke t speed is proportional to th e amount of lev er operatio n, the b ucke t motion i s the addition of the lever operation an d bucket speed programme d by the autom atic control system . END OF CO NTROL When the bu cket reaches th e end of the tilt, the control