OPERATOR'S MANUAL

CONTENTS
STARTING WITH AN AUXILIARY BATTERY ....................................................... 26
Observe Following Guidelines when Starting with an Auxiliary Battery.......................... 26
CHECK POINTS AFTER STARTING THE ENGINE ............................................. 27
STOPPING THE ENGINE...................................................................................... 27
Engine Stop Button......................................................................................................... 27
Precautions in case of Overheat..................................................................................... 27
EXCAVATOR OPERATION ...................................................................................... 28
RUNNING-IN OF THE NEW EXCAVATOR........................................................... 28
Do not Work with Full Engine Rpm's or Full Loads during the First 50 Working Hours.. 28
Oil Change in the Run-in Stage...................................................................................... 28
Adjusting the Operator's Seat......................................................................................... 28
Seat Belt .........................................................................................................................29
STARTING............................................................................................................. 29
Pilot Control Lock Lever.................................................................................................. 29
DRIVING ................................................................................................................ 30
Drive Levers(Right,Left).................................................................................................. 31
TURNS................................................................................................................... 31
Pivot Turn ....................................................................................................................... 31
Spin Turn ........................................................................................................................ 32
UP AND DOWNHILL DRIVING.............................................................................. 33
PARKING ON A SLOPE ........................................................................................ 33
OPERATION OF THE DOZER .............................................................................. 33
TWO PATTERN SELECTION SYSTEM(TPSS) .................................................... 34
Pattern Change............................................................................................................... 34
OPERATION OF THE BOOM................................................................................ 35
OPERATION OF THE ARM................................................................................... 35
OPERATION OF THE BUCKET ............................................................................ 36
UNIT SWING AND BOOM SWING OPERATION.................................................. 36
Unit Swing Operation...................................................................................................... 36
Boom Swing Operation................................................................................................... 36
AUXILIARY PORT OPERATION ........................................................................... 37
Selecting the Action Modes ............................................................................................37
AUX Port Handling Procedure ........................................................................................38
Setting the Maximum Flow Volume ................................................................................ 40
HOW TO RELEASE PRESSURE TRAPPED IN THE HYDRAULIC SYSTEM...... 45
1-way or 2-way CIRCUIT SELECTION VALVE OPERATION ............................... 46
AUTO IDLE (AI) OPERATION ............................................................................... 47
IMPORTANT INFORMATION ON EXCAVATOR OPERATION ............................ 47
TRANSPORTING THE EXCAVATOR ON A VEHICLE............................................. 48
LIFTING OF THE EXCAVATOR................................................................................ 50
MAINTENANCE......................................................................................................... 52
MAINTENANCE INTERVALS ................................................................................ 52
OPENING AND CLOSING OF COVERS............................................................... 55
Opening/Closing of the Engine Hood ............................................................................. 55
Opening/Closing of the Side Cover ................................................................................55
Where to store the Tool .................................................................................................. 56
Where to store the Grease Gun...................................................................................... 56
Where to keep Operator's Manual..................................................................................57