Komatsu — 5. CONTENTS

12. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .................... 2-43 1i.l 12.2 12.3 12.4 12.5 12.6 12.7 12.8 12.9 12.10 12.11 12.12 12.13 12.14 12.15 12.16 12.17 Check before starting engine ................................................................................................. Starting engine ......................................................................................................................... Operations and checks after starting engine..

...................................................................... Moving machine ...................................................................................................................... Shifting gear.. ........................................................................................................................... Shifting between forward and reverse.. ................................................................................ Steering machine ..................................................................................................................... Stopping machine..

.................................................................................................................. Precautions for operation ....................................................................................................... Parking machine ...................................................................................................................... Check after finishing work ...................................................................................................... Stopping engine.. ..................................................................................................................... Check after stopping engine..

................................................................................................. Locking ...................................................................................................................................... Work possible using bulldozer ............................................................................................... Adjusting posture of work equipment .................................................................................. Tips for longer undercarriage life .......................................................................................... 2-43 2-52 2-58 2-60 2-61 2-62 2-63 2-65 2-66 2-68 2-69 2-70 2-71 2-71 2-72 2-73 2-76 13.

Transportation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ........... 2-79 13.1 13.2 13.3 13.4 13.5 13.6 Loading, unloading work ........................................................................................................ 2-79 Precautions for loading, and securing the machine.. .......................................................... 2-80 Precautions for transportation.. ..............................................................................................

2-81 Precautions when removing work equipment ..................................................................... 2-81 Removing cab (machines equipped with cab) ..................................................................... 2-81 Lifting the machine.. ................................................................................................................ 2-82 14. Cold weather operation .................................................................................................................... 2-85 14.1 Precautions for low temperature ...........................................................................................

2-85 14.2 After completion of work ........................................................................................................ 2-87 14.3 After cold weather ................................................................................................................... 2-87 15. Long-term storage ............................................................................................................................. 2-88 15.1 Before storage ..........................................................................................................................

2-88 15.2 During storage ......................................................................................................................... 2-88 15.3 After storage.. ........................................................................................................................... 2-88 16. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .........

2-89 16.1 After running out of fuel ......................................................................................................... 2-89 16.2 If battery is discharged ........................................................................................................... 2-89 16.3 Other trouble ............................................................................................................................ 2-92 O-6