. SAFETY PRECAUTIONS FOR MAINTENANCE 2 - 46 PERIODIC REPLACEMENT OF SAFETY CRITICAL PART To enable th is machine to be used safely for a long p eriod, always carry ou t periodic replacement o f safety critical par ts that ha ve a particularly clos e relation to safety , such as hoses and t he seatbelt. For details o f the replacemen t of safety critic al parts , see "SAFETY CRITICAL PARTS (PAGE -13)" The material of these components naturally c hanges over t ime , and r epeated use causes deterioration, wear, and fatigue. As a result, t here is a hazard tha t the se components may fai l and cause serious personal i njury or death.
It is difficult to judg e t he re maining life of these c omponents from inspection the when operating, s o always replace them at the specified i nterva Replace or repair art any defect replacemen t time