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 .........................................................................................................
3-9 18.3 Outline of hydraulic system .................................................................................................... 3-10 19. Wear parts list .................................................................................................................................. 3-11 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 When required......................................................................................................................... 3-24 24.2 Check before starting .............................................................................................................. 3-45 24.3 Every 50 hours service ...........................................................................................................
3-49 24.4 Every 100 hours service ......................................................................................................... 3-51 24.5 Every 250 hours service ......................................................................................................... 3-54 24.6 Every 500 hours service ......................................................................................................... 3-63 24.7 Every 1000 hours service ....................................................................................................... 3-65 24.8 Every 2000 hours service .......................................................................................................
3-72 24.9 Every 4000 hours ..................................................................................................................... 3-79 SPECIFICATIONS 25. SPECIFICATIONS ............................................................................................................................. 4-2 25.1 Machine specifications .............................................................................................................. 4-2 25.2 Explanation of lifting capacity chart .......................................................................................... 4-5 PC450-ENG 0-9