Komatsu — Komatsu PC290NLC-6K and PC290LC-6K Hydraulic Excavator Operation & Maintenance Manual

5. CONTENTS 1. FOREWORD...................................................................................................................................... 0-1 2. SAFETY INFORMATION ................................................................................................................... 0-2 3. INTRODUCTION ............................................................................................................................... 0-4 4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR ............................. 0-5 SAFETY 6. GENERAL PRECAUTIONS ............................................................................................................... 1-2 7.

PRECAUTIONS DURING OPERATION ............................................................................................ 1-8 7.1 Before starting engine .................................................................................................................. 1-8 7.2 Operating machine..................................................................................................................... 1-10 7.3 Transportation ............................................................................................................................

1-15 7.4 Battery........................................................................................................................................ 1-16 7.5 Towing ........................................................................................................................................ 1-17 7.6 Bucket with hook ........................................................................................................................ 1-18 8. PRECAUTIONS FOR MAINTENANCE ...........................................................................................

1-21 8.1 Before carrying out maintenance ............................................................................................... 1-21 8.2 During maintenance ................................................................................................................... 1-24 9. POSITION FOR ATTACHING SAFETY LABELS............................................................................. 1-28 OPERATION 10. GENERAL VIEW 10.1 General view of machine ..........................................................................................................

2-2 10.2 General view of controls and gauges........................................................................................ 2-3 11. EXPLANATION OF COMPONENTS 11.1 Machine monitor....................................................................................................................... 2-4 11.2 Meter ...................................................................................................................................... 2-15 11.3 switches .................................................................................................................................

2-16 11.4 Control levers, pedals ............................................................................................................ 2-20 11.5 Ceiling window ....................................................................................................................... 2-25 11.6 Front window .......................................................................................................................... 2-26 11.7 Door lock ................................................................................................................................

2-28 11.8 Cap, cover with lock ............................................................................................................... 2-29 11.9 Luggage tray .......................................................................................................................... 2-30 11.10 Ashtray ................................................................................................................................... 2-30 11.11 Heater .....................................................................................................................................

2-30 11.12 Air conditioner ........................................................................................................................ 2-31 11.13 Car radio ................................................................................................................................ 2-34 11.14 Fuse ....................................................................................................................................... 2-35 11.15 Fusible link .............................................................................................................................

2-36 11.16 Controllers .............................................................................................................................. 2-36 11.17 Tool box .................................................................................................................................. 2-36 11.18 Refuelling pump ..................................................................................................................... 2-36 11.19 Handling the accumulator ...................................................................................................... 2-37 PC290-ENG 0-7