Komatsu — 5. CONTENTS

MAINTENANCE 17. Guidestomaintenance ........................................................................... 3-2 18. Outlines of service ................................................................................. 3-5 18.1. Outline of oil, fuel, coolant ................................................................. 3-5 18.2. Relating to electric system ................................................................ 3-8 19. Wear parts list ..................................................................................... 3-9 20. Use of fuel, coolant and lubricants according to ambient temperature ................... 3-l 0 21.

Standard tightening torques for bolts and nuts .............................................. 3-14 21 .I. Introduction of necessary tools .......................................................... 3-l 4 21.2. Torque list ................................................................................. 3-l 5 22. Periodic replacement of safety critical parts .................................................. 3-l 6 23. Maintenance schedule chart .................................................................... 3-l 9 24. Service Procedure ................................................................................ 3-22 24.1.

Initial 250 hours service ................................................................... 3-22 24.2. When required ............................................................................. 3-23 24.3. Check before starting ..................................................................... 3-40 24.4. Every 250 hours service .................................................................. 3-45 24.5. Every 500 hours service .................................................................. 3-54 24.6. Every 1000 hours service ................................................................. 3-58 24.7.

Every 2000 hours service ................................................................. 3-62 24.8. Every4000 hours service ................................................................. 3-69 SPECIFICATIONS 25. Specifications ...................................................................................... 4-2 OPTIONS, ATTACHMENTS 26. General precautions.. ............................................................................. 5-2 26.1. Precautions related to safety .............................................................. 5-2 27. Using seat belt ..................................................................................... 5-3 27.1.

Fasten the belt and remove it in the following manner ................................. 5-3 27.2. Adjust the belt length in the following manner .......................................... 5-4 o-7