SAFETY CRITICAL PARTS MAINTENANCE SAFETY CRITICAL PARTS 0. To ensure safety at all times when operating or driving the machine, the user of the machine must always carry out periodic maintenance. In addition, to further improve safety, the parts in the safety-critical parts list on the next page must also be replaced at the specified interval. These parts are particularly closely connected to safety and fire prevention, so please contact your Komatsu distributor to have them replaced. With these parts, the material changes as time passes, or they easily wear out or deteriorate.
However, it is difficult to judge the condition of the parts simply by periodic maintenance, so they should always be replaced after a fixed time has passed, regardless of their condition. This is necessary to ensure that they always maintain their function completely. However, if these parts show any abnormality before the replacement interval has passed, they should be repaired or replaced immediately. If the hose clamps show any deterioration, such as deformation or cracking, replace the clamps at the same time as the hoses. In addition, carry out the checks for the hydraulic hoses other than periodic replacement parts. If any abnormality is found, tighten the clamps or replace the parts.
When replacing the hoses, always replace the O-rings, gaskets, and other such parts at the same time. Ask your Komatsu distributor to replace the critical parts. SAFETY CRITICAL PARTS LIST 0. 4-12 No.
Safety critical parts for periodic replacement Q'ty Replacement interval 1 Fuel hose (fuel tank - feed pump pre-filter) 1 Every 2 years or 4000 hours, whichever comes sooner 2 Fuel hose (feed pump pre-filter - feed pump) 1 3 Fuel hose (feed pump - fuel filter) 1 4 Fuel hose (fuel filter - injection pump) 1 5 Fuel hose (fuel filter - fuel tank) 1 6 Spill hose (fuel filter - injection pump) 1 7 Spill hose (between nozzles) 2 8 Spill hose (nozzle - injection pump) 1 9 Spill cap 1 10 Hydraulic hose (main pump suction) 2 11 Hydraulic hose (main pump delivery) 4 12 Hydraulic hose (boom cylinder) 2 13 Hydraulic hose (arm cylinder) 4 14 Hydraulic hose (bucket cylinder) 4 15 Hydraulic hose (offset cylinder) 4 16 Seat belt (if equipped) 1 Every 3 years