OPERATION 11. Check seat belt and equipment WARNING Replace the seat belt once every three years, at the latest, regardless of its appearance. REMARKS: The date of manufacture of the seat belt is marked on the belt near the buckle (2) in the diagram on the right. Check that there are no loose hardware mounting the seat belt to the machine, and tighten if necessary. Check that the retractor (1) and release button (3) operate freely. Tightening torque: 24.5 ± 4.9 N 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 927 ± 103 N If any bolts are damaged, replace them with genuine Komatsu bolts. 13. Clean cab window Clean the cab windows to ensure good visibility when operating the machine. 2-36 WA320-3MC