Place Every MATERIAL HANDLING SYSTEM 1 3 6 12 Months 170 500 1000 2000 Hours Fork Abnormality of fork and stopper pin Left and right fork blade misalignment Crack at fork base and welded portion I I t t + + t +- lX3 Mast and fork bracket Deformation and damage of each part, crack at welded portion Looseness of mast and lift bracket Mast support bush wear and damage Roller wear, damage and rotation status Roller pin wear and damage Mast strip wear and damage I I +-- I + + C + + + + + C t I I + Chain and chain wheel Chain tension, deformation and damage Chain lubrication Abnormality of chain anchor bolt Chain wheel wear, damage and rotation status I I I I + t + + C + + +.- + t t + Attachments Abnormality and installation status of each attachment I t - t HYDRAULIC SYSTEM Cylinder Looseness and damage of cylinder mounting Deformation and damage of rod, rod screw and rod end Cylinder operation Natural drop and natural forward tilt Oil leakage and damage Wear and damage of pin and cylinder bearing Lifting speed Uneven movement T I I M I I M I + + + + + + + + + + C + t + t + t + t t t t +- t Oil pump Oil leakage and abnormal sound I +-- + t