Komatsu — Table of Contents

CONTROLS AND INDICATORS OVERALL VIEW OF MACHINE ................................................................................................................... 4-2 CONTROLS AND INDICATORS .................................................................................................................. 4-3 SWITCHES AND CONTROLS ....................................................................................................... 4-4 INSTRUMENT PANEL ...................................................................................................................

4-5 WARNING LIGHTS ........................................................................................................................ 4-6 CONTROL LAMPS ................................................................................................................................ 4-9 MEASURING INDICATORS .................................................................................................................. 4-13 SWITCHES ............................................................................................................................................

4-15 CONTROL LEVERS, PEDALS .............................................................................................................. 4-22 ARTICULATED STEERING CATCH ..................................................................................................... 4-28 TRACTION DEVICE ............................................................................................................................... 4-28 SOCKET ................................................................................................................................................

4-28 DOOR UNLOCKING SYSTEM .............................................................................................................. 4-29 ALARM HORN FOR REVERSE DRIVING ............................................................................................ 4-29 OPERATION RUNNING IN THE MACHINE ....................................................................................................................... 5-2 PREPARING THE MACHINE START ..........................................................................................................

5-3 VISUAL CHECKS .................................................................................................................................. 5-3 BEFORE YOU START THE ENGINE ............................................................................................ 5-3 BEFORE STARTING WORKING WITH THE MACHINE ............................................................... 5-3 ADJUSTMENTS PRIOR TO MACHINE START .......................................................................................... 5-6 ADJUSTING THE DRIVER’S SEAT ......................................................................................................

5-6 ADJUSTING THE STEERING COLUMN .............................................................................................. 5-7 ADJUSTING THE ARMREST ................................................................................................................ 5-7 ADJUSTING THE REAR-VIEW MIRRORS ........................................................................................... 5-7 ADJUSTING THE HEATING AND VENTILATION SYSTEM ................................................................. 5-8 ADJUSTING THE VENTILATION SYSTEM ...................................................................................

5-8 ADJUSTING THE HEATING SYSTEM .......................................................................................... 5-9 OPERATING THE AIR CONDITIONING ............................................................................................... 5-10 SWITCHING ON THE AIR-CONDITIONING .................................................................................. 5-10 PUTTING ON THE SAFETY BELT ........................................................................................................ 5-12 PUTTING ON THE SAFETY BELT ................................................................................................

5-12 TAKING OFF THE SAFETY BELT ................................................................................................. 5-12 STARTING AND SWITCHING OFF THE ENGINE ...................................................................................... 5-13 STARTING THE ENGINE ...................................................................................................................... 5-13 WARMING UP THE ENGINE ................................................................................................................ 5-14 SWITCHING OFF THE ENGINE ...........................................................................................................

5-15 DRIVING ....................................................................................................................................................... 5-16 START-UP ............................................................................................................................................. 5-16 STARTING THE MACHINE ON SLOPES ...................................................................................... 5-18 DRIVING WITH THE HIGH-SPEED GEAR .................................................................................... 5-18 CHANGING THE DRIVING DIRECTION ...............................................................................................

5-19 REVERSE DRIVING .............................................................................................................................. 5-20 TURNING ............................................................................................................................................... 5-20 TURNING ON SLOPES, EMBANKMENTS OR HILL FLANKS ...................................................... 5-20 BRAKING .....................................................................................................................................................

5-21 PULLING THE PARKING BRAKE ......................................................................................................... 5-21 RELEASING THE PARKING BRAKE ............................................................................................. 5-21 BRAKING WITH THE SERVICE BRAKE ....................................................................................... 5-21 IF THE SERVICE BRAKE BREAKS DOWN .................................................................................. 5-22 BRAKING ON SLOPES ..................................................................................................................

5-22 STOPPING ............................................................................................................................................ 5-23 PARKING THE MACHINE ON A SLOPE ....................................................................................... 5-23 LONGER-DISTANCE DRIVING ............................................................................................................ 5-24 0-3