III
2.2 CABIN ................................................................................................................................. 18
2.3 MONITOR PANEL ............................................................................................................. 19
2.4 WANE CONTROL PANEL ................................................................................................ 22
2.5 START-UP SWITCH .......................................................................................................... 22
2.6 HEATER .............................................................................................................................. 23
2.6.1 WORK THEORY ......................................................................................................... 23
2.6.2 INSTALLATION .......................................................................................................... 23
2.6.3 OPERATION ................................................................................................................ 23
2.7 RADIO ................................................................................................................................. 23
2.8 SEAT ADJUSTMENT ........................................................................................................ 24
2.9 PILOT SAFETY LEVER .................................................................................................... 25
2.10 ENGINE ACCELEROGRAPH SPEED CONTROL LEVER .......................................... 25
2.11 PILOT OPERATION ........................................................................................................ 26
2.12 OPEN AND CLOSE FRONT WINDOW ......................................................................... 28
2.13 AIR DUCTING HOOD AND UPPER-COVER ............................................................... 28
2.14ACCESSORY AND TOOL LIST ...................................................................................... 29
2.15 IDENTIFIER ..................................................................................................................... 31
3. MACHINE OPERATION ......................................................................................................... 31
3.1 MACHINE WORKING ENVIRONMENT ........................................................................ 31
3.2 RUNNING AND OPERATION .......................................................................................... 31
3.3 OPERATE ENGINE ........................................................................................................... 32
3.4 TRAVEL CONTROL .......................................................................................................... 36
3.4.1 CONTROL TRAVEL WITH PEDAL .......................................................................... 36
3.4.2 TRAVEL WITH HANDLE CONTROL ...................................................................... 37
3.4.3 TRAVEL SPEED .......................................................................................................... 38
3.4.4 TRAVEL BRAKE ......................................................................................................... 38
3.4.5 OUTLINE OF TRAVEL ............................................................................................... 38
3.5 EXCAVATION ................................................................................................................... 40
3.6 LIFT WORK ........................................................................................................................ 48
3.7 HYDRAULIC BREAKING OPERATION ........................................................................ 49
3.8 BOOM SWING ................................................................................................................... 51
4 MAINTENANCE ....................................................................................................................... 52
4.1 CORRECT MAINTENANCE AND INSPECTION PROCEDURE .................................. 52
4.2 MAINTENANCE GUIDE ................................................................................................... 56
4.2.1 ADD LUBRICANT GREASE ...................................................................................... 56
4.2.2 ENGINE OIL ................................................................................................................ 56
4.2.3 GEAR OIL .................................................................................................................... 59
4.2.4 FUEL SYSTEM ............................................................................................................ 61
4.2.5 HYDRAULIC SYSTEM ............................................................................................... 64
4.2.6 AIR FILTER ................................................................................................................. 70
4.2.7 COOLING SYSTEM .................................................................................................... 72
4.2.8 OTHERS ....................................................................................................................... 75
4.2.9 MAINTENANCE IN SPECIAL SITUATION ............................................................. 82
4.2.10 PROTECTION FOR LONG TERM STORE ............................................................. 83