C - Inspection Period Item Every 1 3 6 12 Months Every 170 500 1000 2000 Hours Cylinder Oil leak and damage Wear and damage of pin and cylinder bearing Lifting speed Uneven movement I I M I - t + + + + + + ' + - - + + Oil pump Oil leak and abnormal sound I + + - Hydraul~c oil tank Oil level and contamination Tank and oil strainer Oil leak I I - - - ' - C - + + Control lever Loose linkage Operation I ' I - ' - - ' - + + Oil control valve Oil leak Relief pressure measurement Relief valve and tilt lock valve functions I I + - + + + - + M + Hydraulic piping 011le ak Deformation and damage Loose joint 1 I T t + - C + + - - C ELECTRICAL SYSTEM Ignition timing Cracks on distributor cap Spark plug and burning and gap (- 1997.12) Distributor side terminal burning Distributor cap center piece wear and damage Distributor points gap Plug cord internal discontinuity Ignition timing I I + I M - + - t + + + + t + - M + + + C I t Starting motor Pinion gear meshing status / I + + + Charger Charging function I - + - - Battery Battery fluid level Battery fluid specific gravity I + + - M t Electrical wiring Damage of wiring harness Fuses I ' l - + e ' - t +