. SAFETY PRECAUTIONS FOR MAINTENANCE PERIODIC REPLACEMENT OF SAFETY-CRITICAL PARTS interval. 2 - 34 In order fo r the machine to be operated safely for a long time, it is necessary to add oil and to carry out service and maintenance at periodic i ntervals. I n order to further increas e safety, components with a s trong r elationship to safety, such as hoses and seat belts, must be replaced at pe riodic i ntervals. Replacement of safety-critical parts: Se e "PERIODIC REPLACEMENT OF SAFETY CRITICA L PARTS (PAGE 4-14)" The mater ial of these components naturally changes over time, a nd repeated use causes deterioration ,wear, and fatigue.
A s a r esult, there is a hazard t hat these components may fai l and cause s erious inj ury or d eath. It is difficult to judg e the remaining life of these components from ex ternal i nspection or the feelin g when operating, so always replace them at the specified interval. Replace o r repair safety-critica l parts if a ny defect is found, even when they have no t reached the tim e specified