Whether your EZ17 runs the early 3TNV76 engine or the later Tier IV 3TNV80F, this 252-page Wacker Neuson EZ17, PowerTilt PTS4.5 service manual PDF (OEM ID 1000294837) covers both builds of the track excavator, along with a full teardown of the PTS4.5 tilting coupler. Factory hydraulic and wiring diagrams near the back map the load-sensing circuit from variable displacement pump to main valve block, backed by a legend for the main wiring harness. Repair procedures fill roughly a fifth of the book, walking you through pressure checks at each measuring port, injection timing, and swivel unit seal replacement. Torque the cylinder-head bolts to 59 to 63 Nm, and in acidic air, swap the air filter every 50 hours. PowerTilt seals fight you without the factory removal tool; drawings for making one are included. Bookmarks and a live text layer land you on the right section in seconds.
What's Inside This Manual
| System | Pages | Key Topics |
|---|
| Operation | 11-38 | Notices on This Service Manual, Identification of Warnings and Dangers, Explanation of Symbols and Abbreviations (Conversion Table) |
| Engine | 127-168 | Overview of Engine 3TNV76-Nns, Fuel System, Cooling System, Checking and Adjusting Valve Clearance |
| Hydraulic System | 169-194 | How the Load-Sensing System Works, Overview of Components (Hydraulic Tank Components) |
| Electrical System | 195-208 | Ohm’s Law; Power, Measuring Equipment, Measuring Methods, Relays (Use, Mode of Function), Electrical Components (Fuses, Relays, Bulbs, Alternator, Starter, Socket, Rotating Beacon) |
| Diagrams | 209-216 | Hydraulics Diagram, Wiring Diagram, Hydraulics Diagram Options, Wiring Diagram Legend |
| Options | 217-232 | Counterweight (Specifications), Long Stick (Specifications), Safe Load Indicator (Setting the Pressure Switch), Electro-Proportional Controls |
| PowerTilt PTS4.5 | 233-252 | Tools (Making a Tool for Removing the Seals), Separating the Bucket or Equipment From the PowerTilt Swivel Device, Separating the PowerTilt Swivel Device From the Machine |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Cylinder-head bolt | 59 – 63 Nm | p. 48 |
| Connecting rod bearing screw | 22.6 – 27.5 Nm | p. 48 |
| Starter | 12 V 1.1 kW | p. 46 |
| Alternator | 12 V 55 A | p. 46 |
| Air filter replacement interval (acidic air) | 50 s/h | p. 92 |
| Air filter replacement interval (standard) | 1000 s/h | p. 92 |
| Hydraulic oil filter replacement interval | 1000 s/h | p. 109 |
| Valve clearance | 0.15 – 0.25 mm (0.0059 – 0.0098") | p. 132 |
| Engine Oil Capacity | 3.5L | p. 57 |
| Hydraulic Oil Tank Capacity | 11L | p. 57 |
| Fuel Tank Capacity | 22L | p. 57 |
| Engine Output (3TNV76-SNSE12) | 13.4 kW | p. 40 |
