MACHINE OPERATIONS AND CONTROLS 9. Inspection of floor tilt lock bolts. Remove the triangular cover, open the engine rear co- ver, the cooling cover and make sure that the 4 faste- ning screws of the tilting platform (1) are correctly tightened. If some screws are loose, tighten them. If any abnormality is found, always carry out repairs or ask your Komatsu Dealer to carry out repairs. 91