0-24 Inspection Period Item Every 6 weeks Every 3 months Every 6 months Every 12 months Every 250 hours Every 500 hours Every 1000 hours Every 2000 hours MATERIAL HANDLING SYSTEM Mast and lift bracket Chain tension Chain anchor bolt abnormality Chain wheel deformation and damage Chain wheel bearing looseness I I I T ← ← ← ← ← ← ← ← ← ← ← ← Various attach- ments Abnormality and mounting condition of each part I ← ← ← HYDRAULIC SYSTEM Cylinders (lift and tilt) Rod, rod screw and rod end loosening, defor- mation and damage Cylinder operation Natural drop and natural forward tilt Oil leak and damage Pin and cylinder bearing wear and damage Cylinder mounting loosening and damage Lifting speed Uneven movement T I I I I I M I ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← Oil pump Oil leak and abnormal sound Drive gear wear I I ← ← ← ← ← ← Hydraulic tank Oil level and contamination Oil leak Tank and oil strainer cleaning I I ← ← ← ← C ← ← ← Control lever Loose mounting Operation I I ← ← ← ← ← ← Oil control valve Oil leak Lift lock valve and tilt lock valve functions Relief pressure measurement I I ← ← ← ← ← ← M Hydraulic hose and piping Oil leak, looseness, loosening, deformation and damage Hydraulic hose replacement T I ← ← ← ← ← ← SAFETY DEVICE, ETC.
Cabin Deformation, crack and damage Crack at welded portion Deteriorated or cracked weather-strip and sili- cone bond Cabin mounting rubber deterioration and dam- age I I I I Lighting system and direction indicator Action Lighting or flashing status, fouling and damage I I ← ← ← ← ← ←