. SAFETY PRECAUTIONS FOR MAINTENANCE 2 - 43 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS To e nable thi s machine to be used safely for a long p eriod, always carr y ou t periodic replacement o f safety critical part s that ha ve a particularly clos e relation to safety , such as hoses and t he seatbelt. For details of the replacemen t of s afety c ritic al parts , see "PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS (PA GE 4-13)". The material of these components naturally c hanges over t ime , and repeated use causes deterioration, wear, and fatigue. As a result, t here is a hazard tha t the se components may fail and cause serious personal i njury or death.
It is difficult to judg e t he re maining life of these components from inspection the when operating, so always replace them at the specified i nterva Replace or r art any defect replacement