0-21 PERIODIC MAINTENANCE Inspection Method I : Inspection Repair or replacement if required. M : Measurement Repair or adjustment if required. T : Retightening C: Cleaning L: Lubrication * : For new vehicle *1:
Flaw detector Inspection Period Item Every month Every 3 months Every 6 months Every 12 months Every 170 hours Every 500 hours Every 1000 hours Every 2000 hours ELECTRICAL SYSTEM Motor Rotation sound Looseness in the connecting parts Insulation resistance Brush wear and sliding condition (For pump motor and PS motor only) Commutator contamination, damage (For pump motor and PS motor only) Brush, spring wear (For pump motor and PS motor only) I T ← ← M ← ← ← I I ← ← ← ← ← M Battery Charging level Electrolyte level Electrolyte specific gravity Terminal looseness Abnormality in the upper portion of the battery case Insulation resistance Voltage measurement of each battery cell after charging I I M I I ← ← ← ← ← M ← ← ← ← ← ← ← ← ← ← ← ← M Magnet contactor Contact looseness, damage, abrasion Operating condition of the auxiliary contact, contamination, abrasion Mounting condition of the arc shooter Operating condition and timings Looseness of the coil mounting parts Mounting condition of the main circuit lead wire, looseness I I ← ← ← ← ← ← I I I I Microswitch Operating condition and timing Damage and looseness of installing parts I I ← ← ← ← ← ← Direction switch Operation condition, damage I ← ← ← Controller Operation condition Interior contamination, damage Motor input voltage I C ← ← ← ← ← ← M Fuse Looseness I ← ← ←