This Manual includes two parts as showed below:
Technical Manual
Workshop Manual
This is the COMPLETE Service Repair Manual for the Hitachi ZX27U-3, ZX30U-3, ZX35U-3 Hydraulic Excavator. It contains deep information about maintaining, assembly, disassembly and servicing your Hitachi ZX27U-3, ZX30U-3, ZX35U-3 Hydraulic Excavator.
This Manual contains information and data to this model. has specs, diagrams, and actual real photo illustrations, and schemes, which give you complete step by step operations on repair, Diagnosing, servicing, technical maintenance & troubleshooting procedures for your machine. this manual offers full information you need for repair your machine. the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service. YOU CAN DO THE REPAIRS YOURSELF AND SAVE MONEY $$$
Models Covered:
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Hitachi ZX27U-3 Hydraulic Excavator
Hitachi ZX30U-3 Hydraulic Excavator
Hitachi ZX35U-3 Hydraulic Excavator
SERVICE REPAIR MANUAL CONTAINS:
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Workshop Manual Contents:
SECTION 1 GENERAL
Group 1 Precautions for disassembling and Assembling
Group 2 Tightening
Group 3 Painting
Group 4 Bleeding Air from Hydraulic Oil Tank
Group 5 Floor-Tilting Device
SECTION 2 UPPERSTRUCTURE
Group 1 Canopy and Cab
Group 2 Counterweight
Group 3 Pump Device
Group 4 Control Valve
Group 5 Swing Device
Group 6 Pilot Valve
Group 7 Solenoid Valve
SECTION 3 UNDERCARRIAGE
Group 1 Swing Bearing
Group 2 Travel Device
Group 3 Center Joint
Group 4 Track Adjuster
Group 5 Front Idler
Group 6 Upper and Lower Roller
Group 7 Track
SECTION 4 ATTACHMENT
Group 1 Front Attachment
Group 2 Cylinder
Technical Manual Contents:
SECTION 1 GENERAL
Group 1 Specification
Group 2 Component Layout
Group 3 Component Specifications
SECTION 2 SYSTEM
Group 1 Control System
Group 2 Hydraulic System
Group 3 Electrical System
SECTION 3 COMPONENT OPERATION
Group 1 Pump Device
Group 2 Swing Device
Group 3 Control Valve
Group 4 Pilot Valve
Group 5 Travel Device
Group 6 Others (Upperstructure)
Group 7 Others (Undercarriage)
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 Troubleshooting A
Group 3 Troubleshooting B
Group 4 Troubleshooting C
Group 5 Electrical System Inspection
THE ATTACHED DIAGRAM LIST:
1. ZX27U-3 CLASS HYDRAURIC CIRCUIT DIAGRAM
ZX30U-3 CLASS/35U-3 CLASS HYDRAURIC CIRCUIT DIAGRAM
2. ZX27U-3 ELECTRICAL CIRCUIT DIAGRAM (Standard)
ZX30U-3/35U-3 ELECTRICAL CIRCUIT DIAGRAM (Standard)
3. ZX27U-3F ELECTRICAL CIRCUIT DIAGRAM (Standard)
ZX30U-3F/35U-3F ELECTRICAL CIRCUIT DIAGRAM (Standard)
4. ZX27U-3 CLASS/30U-3 CLASS/35U-3 CLASS/40U-3 CLASS/50U-3 CLASS
ELECTRICAL CIRCUIT DIAGRAM (Optional)
5. ZX27U-3 MAIN HARNESS
ZX30U-3/35U-3 MAIN HARNESS
6. ZX27U-3F MAIN HARNESS
ZX30U-3F/35U-3F MAIN HARNESS
7. ZX27U-3 ENGINE HARNESS
ZX30U-3/35U-3 ENGINE HARNESS
8. ZX27U-3F ENGINE HARNESS
ZX30U-3F/35U-3F ENGINE HARNESS
9. ZX27U-3 FLOOR HARNESS
ZX30U-3/35U-3/40U-3/50U-3 FLOOR HARNESS
10. ZX27U-3F FLOOR HARNESS
ZX30U-3F/35U-3F/40U-3F/50U-3F FLOOR HARNESS
11. ZX27U-3 CLASS/30U-3 CLASS/35U-3 CLASS/40U-3 CLASS/50U-3 CLASS
KEY SWITCH HARNESS
ZX27U-3 CLASS/30U-3 CLASS/35U-3 CLASS BOOM LIGHT HARNESS
12. ZX27U-3 CLASS BATTERY HARNESS (+)
ZX27U-3 CLASS BATTERY HARNESS (-)
13. ZX30U-3 CLASS/35U-3 CLASS BATTERY HARNESS (+)
ZX30U-3 CLASS/35U-3 CLASS BATTERY HARNESS(-)
14. ZX27U-3 CLASS/30U-3 CLASS/35U-3 CLASS/40U-3 CLASS/50U-3 CLASS
AIR CONDITIONER HARNESS (FLOOR) (Cab Version Only)
15. ZX27U-3 CLASS/30U-3 CLASS/35U-3 CLASS/40U-3 CLASS/50U-3 CLASS
AIR CONDITIONER HARNESS (SOLENOID VALVE) (Cab Version Only)
ZX27U-3 CLASS/30U-3 CLASS/35U-3 CLASS/40U-3 CLASS/50U-3 CLASS
AIR CONDITIONER HARNESS (COMPRESSOR) (Cab Version Only)
16. ZX27U-3 CLASS/30U-3 CLASS/35U-3 CLASS/40U-3 CLASS/50U-3 CLASS
MULTIFUNCTION LEVER HARNESS (Optional)
17. ZX27U-3 CLASS/30U-3 CLASS/35U-3 CLASS/40U-3 CLASS/50U-3 CLASS
TRAVEL ALARM HARNESS (FLOOR) (Optional)
ZX27U-3 CLASS/30U-3 CLASS/35U-3 CLASS/40U-3 CLASS/50U-3 CLASS
TRAVEL ALARM HARNESS (ALARM) (Optional)
18. ZX30U-3 CLASS/35U-3 CLASS
AUXILIARY FLOW SELECTOR VALVE HARNESS (SWITCH) (Optional)
ZX30U-3 CLASS/35U-3 CLASS
AUXILIARY FLOW SELECTOR VALVE HARNESS (SOLENOID VALVE) (Optional)
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** Model Specification: Hitachi ZX27U-3, ZX30U-3, ZX35U-3 Hydraulic Excavator
** Language: English
** File Format: PDF
** Requirements: Adobe PDF Reader & WinZip
** Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc…
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