INFORMATION ON SAFETY Before starting any maintenance operation, position the machine on a firm and level surface, engage the safety locks of the equipment and the controls, stop the engine and apply the parking brake. For the sake of clarity, some illustrations contained in this manual may represent the machine without guards. Do not use the machine without guards and do not start the engine when the engine hood is open, un- less this is expressly required for some maintenance operations.
It is strictly forbidden to modify the setting of the hydraulic system safety valves; Komatsu cannot be held liable for any damage to persons, property, or the machine, if the machine has been tampered with by modifying the standard setting of the hydraulic system. Before carrying out any electrical welding, disconnect the battery, the alternator and the connector of the gearshift unit installed under the steering wheel. (See «2.8.12 PRECAUTIONS CONCERNING THE BATTERY AND THE ALTERNATOR» and «2.8.14 PRE- CAUTIONS CONCERNING THE GEAR LEVER»). Install only authorized additional equipment.
The machine can travel on roads only if fitted with homologated equipment; before travelling on roads, make sure that the equipment fitted is homologated and that the safety locks provided are correctly en- gaged. Incorrect use of this machine may cause serious injury or death. Operators and maintenance personnel must read this manual before operating or servicing the machine. This manual must be kept inside the cab for reference and periodically reviewed by the personnel using the machine. 3 DANGER