Komatsu — Komatsu PC450LC-6 Hydraulic Excavator Operation & Maintenance Manual (EN)

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 Switches.................................................................................................................................

2-15 11.3 Control levers, pedals ............................................................................................................ 2-19 11.4 Roof hatch.............................................................................................................................. 2-24 11.5 Front window .......................................................................................................................... 2-25 11.6 Door lock ................................................................................................................................

2-27 11.7 Cap, cover with lock ............................................................................................................... 2-28 11.8 Luggage box .......................................................................................................................... 2-29 11.9 Ashtray ................................................................................................................................... 2-29 11.10 Heater ....................................................................................................................................

2-29 11.11 Air conditioner ........................................................................................................................ 2-30 11.12 Car radio ................................................................................................................................ 2-33 11.13 Fuse ....................................................................................................................................... 2-34 11.14 Fusible link .............................................................................................................................

2-35 11.15 Controllers.............................................................................................................................. 2-35 11.16 Tool box .................................................................................................................................. 2-35 11.17 Refuelling pump ..................................................................................................................... 2-35 11.18 Handling the accumulator ...................................................................................................... 2-36 PC450-ENG 0-7