Komatsu — 12.11 PRECAUTIONS FOR OPERATION

12. OPERATION 12.11.4 PRECAUTIONS WHEN DRIVING MACHINE When the machine travels at high speed for a long distance, the tires become extremely hot. This causes early wear of the tires, so it should be avoided as far as possible. If the machine must be driven for a long distance, take the following precautions. Follow the regulations related to this machine, and drive care- fully. Before driving the machine, carry out the checks before starting. The most suitable tire pressure, travel speed, or tire type differ according to the condition of the travel surface. Contact your Komatsu distributor or tire dealer for information.

When traveling with standard tires L-5 on a paved road surface, use the table as a guide. (Air pressure: 0.67 MPa (6.8 kgf/cm 2 , 96.56 PSI) When driving the machine continuously, use the following as a guideline for one day’s travel: Travel distance: within 20 km; travel time: Max. 1 hour When the machine is stopped, check the tires and all other parts for abnormalities, and check the oil and coolant levels. Check the tire pressure before starting, when the tire is cool. Always travel with the bucket empty. Never put calcium chloride or dry ballast in the tires when traveling. 2-65 Ambient temperature(°C) Max.

travel speed (km/h) Traveling time and breaking time 50 20 Travel Break Repeat ...../ ~~~~~~~/ ...../ 13 km or 40’ (3H) 25 Travel Break Repeat ...../ ~~~~~~~/ ...../ 13 km or 35’ (3H) 28 Travel Break Repeat ...../ ~~~~~~~/ ...../ 13 km or 25’ (3H) 30 25 Travel Break Repeat ...../ ~~~~~~~/ ...../ 13 km or 35’ (3H) 28 Travel Break Repeat ...../ ~~~~~~~/ ...../ 15 km or 30’ (3H) 0 28 Travel Break Repeat ...../ ~~~~~~~/ ...../ 18 km or 40’ (3H)