Hitachi ZX33U-5A Factory Service Repair Manual ZX33U5A
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Models Covered :
Hitachi ZX33U-5A
The Hitachi ZX 33 U-5 is a 3.5t machine with Yanmar motor which controls this model with up to 21.2kW or 28 drive. The ZX 33 U-5 is arranged in the greatest machine section in the small scale excavators classification. The ZX 33 U-5’s size is 1.55m x 4.53m x 2.48m. The container limit of ZX 33 U-5 is 0.1m³, which is better than expected for this sort of machine.
The ZX 33 U-5 is produced and conveyed with Rubber track, Blade and Air condition. It has been sold without air Track adaption, Quick hitch hydr. What’s more, Quick hitch mech. Starting at 2017. There are increasingly point by point details and machine portrayals accessible in the first Hitachi ZX 33 U-5 specs information sheet. Determination sheet is accessible for a free download in French, English, Spanish, Italian and German – 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
Connect the Hose
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
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 Devoice
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: 3,030 kg to 3,540 kg (approx. 3.3 to 3.5 tons depending on if it has a canopy or full cab configuration).
- Engine Manufacturer & Model: Yanmar 3TNV88 (3-cylinder, liquid-cooled direct injection diesel).
- Engine Power: 21.2 kW (approx. 28.4 HP) at 2,400 RPM.
- Transport Dimensions: 4.53 m (Length) x 1.55 m (Width) x 2.48 m (Height).
- Track Width: 300 mm rubber, steel, or pad crawler tracks.
- Maximum Digging Depth: 2.79 meters (standard 1.17 m arm) or up to 3.13 meters with the long 1.52 m arm configuration.
- Maximum Digging Reach: 4.89 meters (standard arm) up to 5.17 meters (long arm).
- Bucket Tear-out Force: 14.6 kN.
- Standard Bucket Capacity: 0.08 to 0.09 cubic meters.
- Fuel Tank Capacity: 42 Liters.
- Hydraulic Efficiency: Built around electronic governor-controlled engine-pump matching system. This layout pairs with an auto-shift travel motor that drops gears dynamically when fighting slopes or pushing mud with the front blade.
- ECO and PWR Modes: Operates with fuel consumption mitigation. Switching into ECO mode limits engine load during lighter grading work, pairing with auto-idle logic to maximize tank lifespans.
- Front-End Alignment: Fitted with HN Bushings containing internal solid lubricant to scale greasing requirements back to 500-hour intervals on various joint pivots.
- Cabin Standards: Available in either an open 4-Pillar canopy format or an enclosed climate-controlled cabin equipped with overhead OPG top-guards.



