5. CONTENTS 12. Operation 12.1 Check before starting engine .................................................................................................. 2-38 12.2 Starting engine ........................................................................................................................ 2-48 12.3 Operations and checks after starting engine .......................................................................... 2-51 12.4 Moving machine off .................................................................................................................
2-57 12.5 Steering machine .................................................................................................................... 2-60 12.6 Stopping machine ................................................................................................................... 2-62 12.7 Swinging ................................................................................................................................. 2-63 12.8 Operation of work equipment ..................................................................................................
2-64 12.9 Handling active mode ............................................................................................................. 2-65 12.10 Working mode selection........................................................................................................ 2-66 12.11 Prohibitions for operation ....................................................................................................... 2-68 12.12 Precaution for operation......................................................................................................... 2-70 12.13 Precaution when travelling up or down hills ...........................................................................
2-71 12.14 How to escape from mud ....................................................................................................... 2-73 12.15 Work possible using hydraulic excavator ............................................................................... 2-74 12.16 Replacement and inversion of bucket .................................................................................... 2-75 12.17 Parking the machine .............................................................................................................. 2-77 12.18 Check after finishing work ......................................................................................................
2-78 12.19 Stopping engine ..................................................................................................................... 2-79 12.20 Check after stopping engine .................................................................................................. 2-80 12.21 Locking................................................................................................................................... 2-80 12.22 Overload warning device .......................................................................................................
2-80 13 Transportation 13.1 Loading, unloading work ......................................................................................................... 2-81 13.2 Precautions for loading ........................................................................................................... 2-83 13.3 Precautions for transportation ................................................................................................. 2-83 13.4 Procedure for increasing or reducing track frame gauge ........................................................
2-84 13.5 Method of lifting machine ........................................................................................................ 2-85 14. Cold weather operation 14.1 Precaution for low temperature ............................................................................................... 2-86 14.2 Precautions after completion of work ...................................................................................... 2-87 14.3 After cold weather ................................................................................................................... 2-87 15.
Long-term storage 15.1 Before storage ........................................................................................................................ 2-88 15.2 During storage ........................................................................................................................ 2-89 15.3 After storage............................................................................................................................ 2-89 15.4 Starting machine after long-term storage................................................................................ 2-89 16.
Troubleshooting 16.1 Phenomena that are not failures ............................................................................................. 2-90 16.2 Method of towing machine ...................................................................................................... 2-90 16.3 Using method for light-weight towing hole .............................................................................. 2-90 16.4 Precautions on particular jobsites ........................................................................................... 2-91 16.5 If battery is discharged ............................................................................................................
2-91 16.6 Other trouble ........................................................................................................................... 2-95 PC450-ENG 0-8