ZX870-6 • 870LC-6 • 890H-6 • 890LCH-6 • 890R-6 • 890LCR-6 HYDRAULIC EXCAVATOR TECHNICAL MANUAL TROUBLESHOOTING
HITACHI ZAXIS ZX
870-6
870LC-6
890H-6
890LCH-6
890R-6
890LCR-6
Hydraulic Excavator
Service Manual consists of the following separate Part No.
Technical Manual (Operational Principle) : Vol. No.TOJBL40-EN
Technical Manual (Troubleshooting) : Vol. No.TTJBL40-EN
Workshop Manual : Vol. No.WJBL40-EN
Engine Manual : Vol. No.ETJBL40-EN, EWJBL40-EN
The Attached Diagram List
The following diagrams are attached to this manual.
1. ELECTRIC CIRCUIT DIAGRAM (ONE NOx SENSOR) (MACHINE: UP TO SERIAL NO.60012) ELECTRIC CIRCUIT DIAGRAM (TWO NOx SENSOR) (MACHINE: SERIAL NO.60013 AND UP)
2. CONNECTORS (ONE NOx SENSOR) (MACHINE: UP TO SERIAL NO.60012) CONNECTORS (TWO NOx SENSOR) (MACHINE: SERIAL NO.60013 AND UP)
3. CAB HARNESS MAIN HARNESS (ONE NOx SENSOR) (MACHINE: UP TO SERIAL NO.60012)
4. MAIN HARNESS (TWO NOx SENSOR) (MACHINE: SERIAL NO.60013 AND UP) AIR CONDITIONER CIRCUIT DIAGRAM
5. ENGINE HARNESS
PUMP HARNESS (ONE NOx SENSOR) (MACHINE: UP TO SERIAL NO.60012)
6. PUMP HARNESS (TWO NOx SENSOR) (MACHINE: SERIAL NO.60013 AND UP) CONTROL VALVE HARNESS
7. NOx HARNESS (ONE NOx SENSOR) (MACHINE: UP TO SERIAL NO.60012) NOx HARNESS (TWO NOx SENSOR) (MACHINE: SERIAL NO.60013 AND UP)
8. OIL COOR SUB HARNESS BOX SUB HARNESS
9. MONITOR HARNESS KEY SWITCH HARNESS
10. MANUAL REGENERATION HARNESS FAN REVERSE ROTAITOPN SWITCH HARNESS
11. ENGINE STOP HARNESS FLOOR EARTH HARNESS
12. PILOT SHUT-OFF SOLENOID VALVE HARNESS STARTER HARNESS
13. GMS (MOBILE COMMUNICATION TERMINAL) HARNESS SATELLITE COMMUNICATION HARNESS
14. AUTO LUBRICATION HARNESS AUTO LUBRICATION ON/OFF SWITCH HARNESS
15. REARVIEW CAMERA HARNESS COUNTERWEIGHT REMOVAL SWITCH HARNESS (OPTION)
16. BOOM MODE SWITCH AND SEAT HEATER SWITCH HARNESS (OPTION) WORK LIGHT (ON THE CAB ROOF) HARNESS 1 (OPTION)
17. WORK LIGHT (ON THE CAB ROOF) HARNESS 2 (OPTION) ADDITIONAL WORK LIGHT (ON THE CAB ROOF) HARNESS (OPTION)
18. HYDRAULIC CIRCUIT DIAGRAM (STANDARD) HYDRAULIC CIRCUIT DIAGRAM (OPTION)
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
