SAFETY MEASURES DURING MAINTENANCE HANDLING OF THE PRESSURE ACCUMULATOR Danger of injury! Pressure accumulator is filled with high- ly pressurised nitrogen. Do not open or damage the pressure accumulator. Immediately inform your Komatsu dealer, if you detect mal- functions or defects of pressure accumulators. Filling the pressure accumulator wirth gas or topping up gas in the pressure accumulator is strictly limited to persons au- thorised to handle highly pressurised gas. Do not hit against the pressure accumulator. Keep naked light and sources of heat away from pressure accumulator. Do not drill holes into the pressure accumulator. Do not weld parts to the pressure accumulator.
The service technicians must depressurise the hydraulic system before they can remove the pressure accumulator. The service technicians must let the gas escape before they can disassemble the pressure accumulator. Have the gas pressure of the pressure accumulators checked either every 1000 operating hours or once every year. FAN AND BELTS Always keep sufficient distance from rotating parts and pay attention that nothing gets within the operating range of ro- tating parts. There is danger that parts getting caught by the fan or the belt are cut off or hurled away. Do not wear loose clothing, neckerchiefs or the like, or open, long hair that might get caught.
WASTE MATERIAL Do not pour used oil into the sewage system, rivers, etc. Collect used oil of the machine in appropriate containers. Do not let oil flow out onto the ground. Adhere to all applicable laws and regulations when dispos- ing of harmful substances, such as oil, fuel, coolant, sol- vents, filters, batteries, etc. 3-28