Komatsu — 5. CONTENTS

5. CONTENTS MAINTENANCE 17. Guides to maintenance .................................................................................................................... 3- 2 18. Outlines of service ............................................................................................................................ 3- 5 18.1 Handling oil, fuel, coolant, and performing oil clinic ......................................................... 3- 5 18.2 Outline of electric system ...................................................................................................... 3- 8 19.

Wear parts list ................................................................................................................................... 3- 9 20. Use of fuel, coolant, and lubricant according to ambient temperature ................................... 3-10 21. Standard tightening torques for bolts and nuts .......................................................................... 3-14 21.1 Introduction of necessary tools ............................................................................................. 3-14 21.2 Torque list ................................................................................................................................ 3-15 22.

Periodic replacement of safety critical parts ................................................................................. 3-16 23. Maintenance schedule chart ............................................................................................................ 3-18 24. Service procedure ............................................................................................................................. 3-23 24.1 Initial 250 hours service .........................................................................................................

3-23 24.2 When required ......................................................................................................................... 3-24 24.3 Check before starting .............................................................................................................. 3-38 24.4 Every 250 hours service ......................................................................................................... 3-49 24.5 Every 500 hours service .........................................................................................................

3-60 24.6 Every 1000 hours service ....................................................................................................... 3-64 24.7 Every 2000 hours service ....................................................................................................... 3-70 24.8 Every 4000 hours service ....................................................................................................... 3-75 24.9 Every 3 years service .............................................................................................................. 3-76 SPECIFICATIONS 25.

Specifications ..................................................................................................................................... 4- 2 OPTIONS, ATTACHMENTS 26. Handling payload meter ................................................................................................................... 5- 2 26.1 Name of parts .......................................................................................................................... 5- 2 26.2 External display lamps ...........................................................................................................

5- 2 26.3 Operating payload meter ....................................................................................................... 5- 5 27. Selecting dump body (HD465-5 only) ............................................................................................ 5-14 28. Options and attachments ................................................................................................................ 5-15 29. Tachograph (TCO 15-6) .....................................................................................................................

5-16 29.1 Explanation of components ................................................................................................... 5-16 29.2 Method of using key ............................................................................................................... 5-18 29.3 Method of use ......................................................................................................................... 5-19 0-9