This Kubota Workshop Manual covers the U17, U17-3 and U17-3α compact excavators, publication number 97899-61970, built around the D902-BH-1 and D902-E3-BH-2 diesel engines. It is a 740 page manual with a searchable text layer.The manual is organized into General, Machine Body, Engine, Hydraulic System and Electrical System, each split into a mechanism section that explains how the system works and a service section with troubleshooting, testing, specifications, and disassembly and reassembly steps. It also covers the Kubota Intelligent Control System (KICS) and the digital meter.With this PDF you can diagnose hydraulic and electrical faults, rebuild the pump or control valve, service the engine, and set up the undercarriage correctly, using the manual's own torque tables and service limits. Download it once and read it on any device, or print the pages you need at the bench.
What's Inside This Kubota U17, U17-3, U17-3α Manual
| System | Pages | Key Topics |
|---|---|---|
| I . General | 5-40 | Body and Engine Identification Marks, Safety Precautions for Servicing, Disassembly and Reassembly, Important Safety Process and Critical Functional Process |
| Ii . Machine Body (Mechanism Section) | 41-64 | Machine Specifications, Machine Body Structure and Function, Overall Arrangement, Under Carriage Components |
| Ii . Machine Body (Service Section) | 65-132 | Specifications, Front Attachment, Upper Structure, Swivel Bearing, Travel Lever, Undercarrige |
| Iii . Engine (Mechanism Section) | 133-148 | Engine Specifications, New Emissions Control Engines, Outline, Engine List for Minor Change, Engine Features |
| Iii . Engine (Service Section) | 149-318 | Engine Accessories, Air Cleaner, Radiator, Thermostat, Muffler, Pump Coupling |
| Iv . Hydraulic System (Mechanism Section) | 319-390 | Main Pump, Control Valve, Swivel Motor, Travel Motor (Wheel Motor), Pilot Valve (Remote Control Valve), Hydraulic Circuit Diagram |
| Iv . Hydraulic System (Service Section) | 391-622 | Troubleshooting, Testing, Specifications, Disassembling and Reassembling, Pump, Control Valve |
| V . Electrical System (Mechanism Section) | 623-680 | General, Kubota Intelligent Control System (Kics), Features of Digital Meter, Operating Mode, Servide Mode Menues, Electrical Component Layout |
| V . Electrical System (Service Section) | 681-736 | Fuses, Battery, Horn, Glow Plug, Solenoid Valve, Fuel Pump |
| Conversion Tables | 737-740 | - |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Hose screw (Union nut section) 1/8" | 7.8 ~ 11.8 N·m | p. 15 |
| Hose screw (Union nut section) 1/4" | 24.5 ~ 29.4 N·m | p. 15 |
| Radiator soft water | 2.6 L | p. 77 |
| Reserve tank soft water | 0.56 L | p. 77 |
| Engine oil level check | daily | p. 19 |
| Hydraulic oil level check | daily | p. 19 |
| Engine Oil Capacity (at filter replacement) | 3.6 L | p. 77 |
| Total Hydraulic Oil Capacity | 21 L | p. 77 |
| Fuel Tank Capacity | 19 L | p. 77 |
| Radiator Soft Water Capacity | 2.6 L | p. 77 |
| Main Relief Valve Pressure (P1, P2) | 21.6 MPa | p. 47 |
| Main Relief Valve Pressure (P3) | 18.6 MPa | p. 47 |
Kubota U17, U17-3, U17-3α Common Problems This Manual Covers
Slow or weak hydraulic functions
Loss of digging power or slow boom, arm and bucket movement usually points to the main pump, control valve or relief settings. The Hydraulic System Service Section covers troubleshooting, testing, specifications and rebuilding of the pump and control valve.
Manual Section: IV . HYDRAULIC SYSTEM (Service Section) p. 391Reduced swing speed
A machine that swings slowly or hesitates often has a worn swivel motor or a pilot pressure problem. The Hydraulic System Mechanism Section explains the swivel motor, control valve and pilot valve and their circuits.
Manual Section: IV . HYDRAULIC SYSTEM (Mechanism Section) p. 319Track sag and undercarriage wear
Loose or worn tracks and undercarriage components affect travel and stability. The Machine Body Service Section covers the undercarriage, swivel bearing and travel lever with their specifications.
Manual Section: II . MACHINE BODY (Service Section) p. 65Hard cold starting
Difficult starting on the D902 diesel can come from the glow system, fuel supply or engine condition. The Engine Service Section covers the engine accessories, fuel and related systems with servicing procedures.
Manual Section: III . ENGINE (Service Section) p. 149Digital meter warning displays
Warning or alarm displays on the digital meter need to be read against the KICS logic before you start replacing parts. The Electrical System Mechanism Section covers KICS, the digital meter, operating and service modes and component layout.
Manual Section: V . ELECTRICAL SYSTEM (Mechanism Section) p. 623Electrical component failures
Faults in fuses, glow plugs, solenoid valves or the fuel pump keep the machine from running correctly. The Electrical System Service Section covers the fuses, battery, glow plug, solenoid valve and fuel pump.
Manual Section: V . ELECTRICAL SYSTEM (Service Section) p. 681Frequently Asked Questions
Which excavators does this manual cover?
It covers the Kubota U17, U17-3 and U17-3α compact excavators, publication number 97899-61970, with the D902-BH-1 and D902-E3-BH-2 diesel engines.
Is this the complete workshop manual?
Yes. It is the full 740-page workshop manual, covering the general information, machine body, engine, hydraulic system and electrical system, each with a mechanism section and a detailed service section.
Does it cover engine service for the D902?
Yes. The Engine Service Section, starting on page 149, covers the engine accessories such as the air cleaner, radiator, thermostat and muffler along with servicing procedures. p. 149
Can it help me troubleshoot the hydraulics?
Yes. The Hydraulic System Service Section, starting on page 391, covers troubleshooting, testing, specifications and the disassembly and reassembly of the pump and control valve. p. 391
How will I receive this Kubota U17 Workshop Manual?
A 740-page Workshop Manual in searchable PDF format, available the moment you complete checkout. View on computer, tablet, or phone. No shipping wait.
Is this Kubota U17 manual print-friendly?
Yes. The PDF has no DRM restrictions, so print any page or section you need for your shop. Works with any standard printer.
Can I find wiring schematics in this Kubota U17 manual?
Yes. Full electrical schematics are included with wire colors, connector locations, and circuit descriptions.
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