OPERATION 11. Check seat belt and equipment WARNING Even if there appears to be no abnormality with the seat belt, always replace it once every three years. REMARKS The date of manufacture of the seat belt is marked on the belt at the place indicated by the arrow in the diagram on the right. Check that there are no loose bolts on the equipment mounting the seat belt to the machine, and tighten if necessary. Tightening torque: 24.5 ± 4.9 N C m (2.5 ± kgm, 18.1 ± 3.6 lbf ft) If the belt is damaged or fluff is starting to form, or if there is any damage or deformation of the seat belt holders, replace the seat belt with a new part. 12.
Check for loose bolts on ROPS Check for any loose or damaged bolts. If any loose bolts are found tighten them to 549 ± 59 N C m (56 ± 6 kgm, 405 ± 43 lbf ft) If any bolts are damaged, replace them with genuine Komatsu bolts. 13. Clean cab window Clean the cab window to ensure good visibility when operating the machine. 14. Check for loose air cleaner mounting bolts Check for any loose mounting bolts and tighten if necessary. 15. Check for loose battery terminals Tighten any loose terminals. 2-26