MAINTENANCE EVERY 1000 OPERATING HOURS CHECKING/ADJUSTING THE INJECTION NOZZLES, NOZZLE PRESSURE/ FUEL-JET PATTERN Have the nozzle pressure of the injection nozzles and the fuel-jet pattern checked and adjusted at your local Komat- su dealer. CHECKING THE ACCUMULATOR GAS PRESSURE Each time you perform the operations described in the sections Every 1000 Service Hours or when replacing safety-relevant parts in the pre-defined intervals, you should ask your Komatsu dealer to check the accumulator gas pressure. In countries with a hot climate, the responsible Komatsu dealer must check the gas-pressure of the pressure reser- voir already every 650 hours. 7-63