4-1-4Battery’s Usage Maintenance ................................ 36
4-1-5 Charger’s Usage Maintenance ............................... 38
4-1-6 Inspection and adjustment of brake ........................ 39
4-2 Troubleshooting ......................................................... 40
4-2-1 Maintenance Periodic Table ................................... 40
4-2-2 Common Breakdowns ............................................ 42
4-3 Circuit Diagram .......................................................... 43