6. Wiper And Washer Circuit 148
Group 4 Electrical Component Specification 152
~ 156
Group 5 Connectors 159
1. Connector Destination 159
2. Connection Table For Connectors 162
SECTION 5 TROUBLESHOOTING 176
Group 1 Before Troubleshooting 177
1. Introduction 177
2. Diagnosing Procedure 178
Group 2 Hydraulic And Mechanical System 180
1. Introduction 180
2. Drive System 181
3. Hydraulic System 183
4. Swing System 185
5. Travel System 189
6. Attachment System 194
Group 3 Electrical System 200
1. When Starting Switch Is Turned On, Monitor Panel Display Does Not Appear
200
2. Battery Charging Warning Lamp Lights Up (starting Switch : On) 201
3. When Coolant Overheat Warning Lamp Lights Up (engine Is Started) 202
4. When Air Cleaner Warning Lamp Lights Up (engine Is Started) 203
5. When Engine Oil Pressure Warning Lamp Lights Up (engine Is Started) 204
6. When Hydraulic Oil Temperature Warning Lamp Lights Up (engine Is Started)
205
7. When Coolant Temperature Gauge Does Not Operate 206
8. When Fuel Gauge Does Not Operate (check Warning Lamp On/off) 207
9. When Safety Solenoid Does Not Operate 208
10. When Travel Speed 1, 2 Does Not Operate 209
11. When Starting Switch Is Turned On, Wiper Motor Does Not Operate 210
12. When Starting Switch Is Turned On, Head Lamp Does Not Lights Up 211
13. When Starting Switch Is Turned On, Work Lamp Does Not Lights Up 212
14. When Engine Does Not Start 213
15. When Starting Switch On Does Not Operate 214
SECTION 6 MAINTENANCE STANDARD 215
Group 1 Operational Performance Test 216
1. Purpose 216
2. Terminology 217
3. Operation For Performance Tests 218
Group 2 Major Component 236
1. Main Pump 236
2. Main Control Valve 238
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