Document 5200013253 is Wacker Neuson's own factory book, a 216-page Wacker Neuson LTN 6 repair manual PDF covering six light tower variants across the LTN series. Troubleshooting fills the heart of it: separate diagnostic sequences for no-crank, crank-no-start, and starts-then-dies conditions, each walking you from the key switch to a specific failed component. Wiring coverage runs just as deep, with lighting schematics in 120V and 120/240V configurations, engine and control panel wiring, power winch and trailer circuits, and generator capacitor excitation diagrams for each model group. Before you condemn a fuel solenoid, meter the coil for 15 to 25 ohms; if the engine keeps shutting down hot, the temperature switch should trip at 107°C (225°F). Nothing stalls a night shift like one missing capacitor value. Pay for this PDF once, and the bookmarked, text-indexed file belongs to your shop for the life of the machine.
What's Inside This Repair Manual
| System | Pages | Key Topics |
|---|
| Foreword and Safety Information | 3-20 | Signal Words Used in This Manual, Machine Description and Intended Use, Safety Guidelines for Operating the Machine |
| Operation | 21-31 | Starting, Raising the Tower, Lowering the Tower |
| Troubleshooting Engine Starting (No Crank, No Start) | 32-37 | Preparing for Diagnostic Procedures, Troubleshooting Sequence, Checking the Battery and Ground Wiring |
| Troubleshooting Engine Starting (Crank, No Start) | 38-46 | Troubleshooting Sequence, Checking the Key Switch, Checking the 15A Fuse |
| Troubleshooting Engine Start (Starts, Then Shuts Down) | 47-62 | Preparing for Diagnostic Procedures, Checking the Oil Switch, Checking the Temperature Switch, Checking the Battery and Ground Wiring, Checking Power to the Starter Solenoid, Checking the 15A Fuse, Checking Power to the Fuel Solenoid |
| Kohler Engine Shut-Down Conditions | 63-85 | List of Kohler Engine Shut-Down Conditions, Diagnosing the Oil Pressure Circuit, Checking the Temperature Switch, Preparing for Diagnostic Procedures, Checking the Battery and Ground Wiring, Checking the Key Switch, Checking the 15A Fuse, Checking Power to the Fuel Solenoid |
| Troubleshooting the Lights | 86-115 | Preparing for Diagnostic Procedures, Determining Where to Start, Checking Voltage at the Main Terminal Strip |
| Troubleshooting the Power Winch | 116-120 | Replacing the Cable and Power Winch |
| Disassembly and Reassembly | 121-167 | Removing the Radiator, Installing the Radiator |
| Technical Data (LTN 6C, LTN 6L, LTN 6K / LTN 8K) | 168-179 | Engine, Generator, Machine |
| Schematics (LTN 6C, LTN 6L, LTN 6K / LTN 8K) | 180-216 | Lighting Schematic, Components, Generator Capacitor Excitation Schematic |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| All Models |
| 15A fuse rating | 15A | p. 38 |
| Shut-down relay voltage | 10.5 V | p. 41 |
| 15A fuse | 15A | p. 58 |
| Fuel solenoid coil resistance | 15–25 ohms | p. 60 |
| Engine rpm (no load) for 60 Hz machines | 60.0–62.0 Hz (1800–1860 rpm) | p. 88 |
| Engine rpm (no load) for 50 Hz machines | 50.0–52.0 Hz (1500–1575 rpm) | p. 88 |
| Stator mounting screws torque | 31 Nm (23 ft.lbs.) | p. 136 |
| Generator support bracket screws torque | 35 Nm (26 ft.lbs.) | p. 137 |
| Battery voltage | 12 V | p. 168 |
| Battery cold cranking amps | 650 ccA | p. 168 |
| LTN 6C |
| Engine Oil Capacity | 2.4L | p. 168 |
| LTN 6L |
| Engine Oil Capacity | 2.4L | p. 171 |
