Hitachi ZX48U-5A Factory Service Repair Manual ZX48U5A
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Models Covered :
Hitachi ZX48U-5A
The Hitachi ZX 48 U-5 is a 4.9t machine with Yanmar motor which controls this model with up to 28.2kW or 37 pull. This Hitachi scaled down excavator has a place with the greatest machine section in the smaller than expected excavators classification. The ZX 48 U-5’s size is 1.96m x 5.39m x 2.53m. The can limit of ZX 48 U-5 is 0.1m³, which is better than expected for this kind of machine.
Since 2013, this model has included Blade, Air condition and Rubber track. Brisk hitch mech., Quick hitch hydr. What’s more, Track adaption are not given on this model starting at 2017. There are increasingly itemized details and machine depictions accessible in the first Hitachi ZX 48 U-5 specs information sheet. Determination sheet is accessible for a free download in French, Spanish, English, German and Italian – giving the machine portrayals and progressively nitty gritty specs about this specific model.
Manual Covers :
Workshop Manual:
Section 1 General:
Precautions for Disassembling and Assembling
Tightening
Painting
Bleeding Air
Releasing Pressure
Preparation
Section 2 Maintenance Standard:
Upper structure
Undercarriage
Front Attachment
Section 3 Upper structure:
Canopy and Cab
Counterweight
Pump Device
Control Valve
Swing Device
Pilot Valve
Solenoid Valve
Revolution Sensing Valve
Auxiliary Flow Rate Selector Valve
Section 4 Undercarriage:
Swing Bearing
Travel Device
Center Joint
Track Adjuster
Front Idler
Upper and Lower Rollers
Track
Blade Cylinder
Section 5 Front Attachment:
Front Attachment
Cylinder
Technical Manual:
Section 1 General:
Specifications
Component Layout
Component Specifications
Section 2 System:
Control System
Hydraulic System
Electrical System
Section 3 Component Operation:
Pump Device
Revolution Sensing Valve
Swing Device
Control Valve
Pilot Valve
Travel Device
Others Upper structure
Others Undercarriage
Section 4 Operation Performance Test:
Introduction
Standard
Engine Test
Machine Performance Test
Component Test
Section 5 Troubleshooting:
Diagnosing Procedure
Monitor
Troubleshooting B
Troubleshooting C
Air Conditioner
Bonus:
Electrical Circuit Diagram
This manual is the same as the manual used by workshops. Service Manual contains detailed instructions and step by step diagrams for all workshop procedures.
Language: English
Format: PDF
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- Factory Information – Accurate repair procedures, specifications, service information tailored to your vehicle.
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- Operating Weight: 4.9 tons (4,900 kg / ranges up to 5,070 kg based on configuration).
- Engine Type: Yanmar 4TNV88 (4-cylinder, direct-injection diesel).
- Engine Power: 28.2 kW / 37.8 HP at max torque RPM.
- Transport Dimensions: 5.39 m (Length) x 1.96 m (Width) x 2.53 m (Height).
- Track Width: 400 mm rubber or steel shoes.
- Maximum Digging Depth: 3.63 meters.
- Maximum Horizontal Reach: 5.92 meters (can reach up to 6.06 meters depending on the arm length configuration).
- Tear-out (Bucket Digging) Force: 32.1 kN.
- Standard Bucket Capacity: 0.10 to 0.11 cubic meters.
- Hydraulic Pump Flow: Main pump outputs a max oil flow of 120 L/min.
- Fuel Economy Modes: Operators can select between standard PWR (Power) mode and an ECO mode directly from the multi-monitor display to control movement speed and conserve fuel.
- Auto-Idle & Auto-Shift: Features an auto-idle system that drops RPMs when controls are in neutral, and an auto-speed travel layout that automatically downshifts when climbing or pushing heavy loads.
- Safety Standards: Built with a standard Roll-Over Protective Structure (ROPS) and Operator Protective Guard (OPG) canopy or full cabin layout.
- Serviceability: Designed with wide-opening service covers, parallel-aligned radiators for simple washouts, and extended-interval HN bushings to drop daily greasing requirements.



