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ZX670LC-5A • 690LCH-5A HYDRAULIC EXCAVATOR TECHNICAL MANUAL TROUBLESHOOTING
Service Manual consists of the following separate Part No.
Technical Manual (Operational Principle) : Vol. No.TOJBG-EN
Technical Manual (Troubleshooting) : Vol. No.TTJBG-EN
Workshop Manual : Vol. No.WJBG-EN
Engine Manual : Vol. No.ETJBG-EN, EWJBG-EN
The Attached Diagram List
The following diagrams are attached to this manual.
1. ELECTRICAL CIRCUIT DIAGRAM
AIR CONDITIONER CIRCUIT DIAGRAM
2. CONNECTORS
3. CAB HARNESS
MAIN HARNESS
4. ENGINE HARNESS
PUMP HARNESS
5. CONTROL VALVE HARNESS
6. MONITOR HARNESS
KEY SWITCH HARNESS
7. OIL COOLER FAN REVERSE ROTATION SWITCH HARNESS
ENGINE STOP SWITCH HARNESS
8. PILOT SHUT-OFF SOLENOID VALVE HARNESS
9. GSM (MOBILE COMMUNICATION TERMINAL) HARNESS
SATELLITE COMMUNICATION HARNESS
10. AUTO LUBRICATION ON/OFF SWITCH HARNESS
CAMERA HARNESS
11. BOOM MODE SWITCH AND SEAT HEATER SWITCH HARNESS (OPTION)
12. WORK LIGHT (ON THE CAB ROOF) HARNESS 1 (OPTION)
WORK LIGHT (ON THE CAB ROOF) HARNESS 2 (OPTION)
13. HYDRAULIC CIRCUIT DIAGRAM
SECTION AND GROUP CONTENTS
SECTION 4 OPERATIONAL PERFORMANCE TEST
Group 1 Introduction
Group 2 Standard
Group 3 Engine Test
Group 4 Excavator Test
Group 5 Component Test
Group 6 Adjustment
SECTION 5 TROUBLESHOOTING
Group 1 Diagnosing Procedure
Group 2 Monitor
Group 3 e-Service
Group 4 Component Layout
Group 5 Troubleshooting A
Group 6 Troubleshooting B
Group 7 Air Conditioner