5. CONTENTS MAINTENANCE 17. Guides to maintenance .................................................................................................................... 3- 2 18. Outlines of service ............................................................................................................................ 3- 5 18.1 Outline of oil, fuel, coolant .................................................................................................... 3- 5 18.2 Outline of electric system ......................................................................................................
3- 8 18.3 Outline of hydraulic system ................................................................................................... 3- 9 19. Wear parts list ................................................................................................................................... 3-10 20. Use of fuel, coolant and lubricants according to ambient temperature ................................... 3-12 21. Standard tightening torques for bolts and nuts .......................................................................... 3-16 21.1 Introduction of necessary tools .............................................................................................
3-16 21.2 Torque list ................................................................................................................................ 3-17 22. Periodic replacement of safety critical parts ................................................................................. 3-18 23. Maintenance schedule chart ............................................................................................................ 3-20 23.1 Maintenance schedule chart .................................................................................................. 3-20 23.2 Maintenance interval when using hydraulic breaker .......................................................... 3-22 24.
Service Procedure ............................................................................................................................. 3-23 24.1 Initial 250 hours service ......................................................................................................... 3-23 24.2 When required ......................................................................................................................... 3-24 24.3 Check before starting ..............................................................................................................
3-42 24.4 Every 50 hours service ........................................................................................................... 3-46 24.5 Every 100 hours service ......................................................................................................... 3-48 24.6 Every 250 hours service ......................................................................................................... 3-50 24.7 Every 500 hours service ......................................................................................................... 3-57 24.8 Every 1000 hours service .......................................................................................................
3-65 24.9 Every 2000 hours service ....................................................................................................... 3-68 24.10 Every 4000 hours service ....................................................................................................... 3-74 24.11 Every 5000 hours service ....................................................................................................... 3-75 SPECIFICATIONS 25. Specifications ..................................................................................................................................... 4- 2 0-7