OPERATOR'S MANUAL

CONTENTS
STARTING WITH AN AUXILIARY BATTERY ....................................................... 27
Observe Following Guidelines when Starting with an Auxiliary Battery.......................... 27
CHECK POINTS AFTER STARTING THE ENGINE ............................................. 28
STOPPING THE ENGINE...................................................................................... 28
Engine Stop Button......................................................................................................... 28
Precautions in case of Overheat..................................................................................... 28
EXCAVATOR OPERATION ...................................................................................... 29
RUNNING-IN OF THE NEW EXCAVATOR........................................................... 29
Do not Work with Full Engine Rpm's or Full Loads during the First 50 Working Hours.. 29
Oil Change in the Run-in Stage ...................................................................................... 29
Adjusting the Operator's Seat......................................................................................... 29
Seat Belt .........................................................................................................................30
STARTING............................................................................................................. 30
Pilot Control Lock Lever.................................................................................................. 30
DRIVING ................................................................................................................ 31
Drive Levers(Right,Left).................................................................................................. 32
TURNS................................................................................................................... 32
Pivot Turn ....................................................................................................................... 32
Spin Turn ........................................................................................................................ 33
UP AND DOWNHILL DRIVING.............................................................................. 34
PARKING ON A SLOPE ........................................................................................ 34
OPERATION OF THE DOZER .............................................................................. 34
TWO PATTERN SELECTION SYSTEM(TPSS) .................................................... 35
Pattern Change............................................................................................................... 35
OPERATION OF THE BOOM................................................................................ 36
OPERATION OF THE ARM................................................................................... 36
OPERATION OF THE BUCKET ............................................................................ 37
UNIT SWING AND BOOM SWING OPERATION.................................................. 37
Unit Swing Operation...................................................................................................... 37
Boom Swing Operation................................................................................................... 37
AUXILIARY PORT OPERATION ........................................................................... 38
Selecting the Action Modes ............................................................................................38
AUX Port Handling Procedure........................................................................................39
Setting the Maximum Flow Volume ................................................................................ 41
HOW TO RELEASE PRESSURE TRAPPED IN THE HYDRAULIC SYSTEM...... 46
1-way or 2-way CIRCUIT SELECTION VALVE OPERATION ............................... 47
AUTO IDLE (AI) OPERATION ............................................................................... 48
IMPORTANT INFORMATION ON EXCAVATOR OPERATION ............................ 48
TRANSPORTING THE EXCAVATOR ON A VEHICLE............................................. 49
LIFTING OF THE EXCAVATOR................................................................................ 51
MAINTENANCE......................................................................................................... 53
MAINTENANCE INTERVALS ................................................................................ 53
OPENING AND CLOSING OF COVERS............................................................... 56
Opening/Closing of the Engine Hood .............................................................................56
Opening/Closing of the Side Cover ................................................................................56
Where to store the Tool .................................................................................................. 57
Where to store the Grease Gun...................................................................................... 57
Where to keep Operator's Manual.................................................................................. 58