Part of the Hyundai Repair Manuals.
Every one of the 119 pages in this Hyundai Robex 16-7 Service Manual PDF covers your Robex 16-7 crawler excavator, nose to sprocket. Inside: the full hydraulic circuit diagram, electrical system wiring, and page after page of exploded views for the main pump, control valve, slew motor, travel motor, and hydraulic cylinders. You also get a dedicated troubleshooting section that walks the travelling, slewing, boom, and swing systems fault by fault, plus maintenance standards for the crawler, idler, and track rollers. Tighten the pilot filter to 58.8-78.5 N-m and torque grade 8.8 M10 bolts to 62 N-m; the factory numbers are printed right there. No more chasing hydraulic gremlins with a parts cannon and a prayer. Bookmarked and keyword-searchable, this PDF opens on your phone or tablet, so the answer walks out to the machine with you.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Precautions on Maintenance | 6 | Correct Operation, Safety Check, Disassembly, Assembly, Cleaning |
| Outline | 7-24 | Location of Serial No, Name of Each Part, Dimensions and Specification, Weight List, Oil and Grease Supply Points, List of Supply Oil and Grease, When to Repair |
| Attachment | 25-32 | Standard of Maintenance, Measuring the Natural Fall of the Attachment, Measuring Attachment Cylinder Speed |
| Engine | 33-36 | Specification, Performance Curve |
| Main Pump | 37-42 | Specification, Structure, Removing and Installing the Pump, Performance Test of the Hydraulic Pump |
| Hydraulic Oil Filter | 43-48 | Installation, Line Filter (SP08), Suction Filter, Pilot Filter, Replacing the Line and Suction Filters, Cleaning the Suction Filter |
| Control Valve | 49-56 | Specification, Disassembly and Assembly, Structure of the Relief Valve, Precautions for Handling |
| Joystick | 57-60 | Pilot Valve Specification, Port Pressures, Single-Operating Torque, Structure |
| Slew Motor | 61-66 | Specification, Structure, Standard of Maintenance of the Slew Bearing and Slew Case, Measuring Natural and Over-Slew Distance, Measuring Slewing Time |
| Travel Motor | 67-72 | Specification, Structure, Operation, Handling the Travelling Motor |
| Hydraulic Cylinder | 73-78 | Structure, Disassembly Procedure, Assembly and Inspection Procedure, Precautions for Assembly, Piston Screw Size and Tightening Torques |
| Swivel Joint | 79-82 | Specification and Structure, Disassembly and Assembly |
| Crawler | 83-90 | Structure and Operation, Standard of Maintenance, Disassembly and Assembly |
| Spring Case and Grease Cylinder | 91-94 | Structure, Specification of Spring (Set Length, Active Coils, Spring Constant), Disassembly and Assembly of the Adjuster, Grease Cylinder Components |
| Idler | 95-96 | Standard of Maintenance, Idler Tooth Width and Count, Lubricating Oil Grade, Pad or Replace Wear Limits |
| Sprocket | 97-100 | Removing the Sprocket, Installing the Sprocket, Standard of Maintenance and Wear Limits |
| Track Roller | 101-102 | Standard of Maintenance, Roller Outer Diameter and Tread Wear Limits, Mounting Bolt Tightening Torque (M16 P2.0), Lubricating Oil Quantity |
| Electrical Equipment | 103-106 | Structure and Function, Failure and Remedy |
| Troubleshooting | 107-119 | Travelling System, Slewing System, Boom System, Swing System |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Tightening torque for M6 bolt (8.8 grade) | 12.5 N-m | p. 18 |
| Tightening torque for M8 bolt (8.8 grade) | 30 N-m | p. 18 |
| Line filter tightening torque | 19.6 Nm | p. 45 |
| Pilot filter tightening torque | 58.8-78.5 N-m | p. 46 |
| Engine Rated Output | 12.5 kW (17 PS) / 2,400 min-1 | p. 11 |
| Hydraulic Oil Capacity | 24.0 L | p. 11 |
| Fuel Tank Capacity | 20.0 L | p. 11 |
| Engine Oil Capacity | 3.5 L | p. 11 |
| Cooling Water Capacity | 5.6 L | p. 11 |
| Main Relief Pressure | 18.6 MPa | p. 11 |
| Tightening Torque M16 Bolt (12.9 grade) | 340 N-m | p. 18 |
| Tightening Torque Pump Mounting Bolt (M10 x 30) | 60.8 N-m | p. 40 |
