LTC Repair Lombardini Engine Troubleshooting - Wacker Neuson

Table of Contents LTC Repair
4.4 Precautions When Replacing / Removing Bulbs .................................41
4.5 Replacing Bulbs ..................................................................................42
4.6 Air Cleaner ..........................................................................................43
4.7 Engine Oil ............................................................................................43
4.8 Lombardini Engine Wiring ...................................................................44
4.9 Engine Wiring Components .................................................................45
4.10 Engine Control Panel Internal Wiring—Lombardini .............................46
4.11 Engine Control Panel Components—Lombardini ................................47
4.12 Wiring Diagram: 50Hz 230V 0009377 .................................................48
4.13 Components: 50Hz 230V 0009377 .....................................................49
4.14 Wiring Diagram: 50Hz 115V 0009379 .................................................50
4.15 Components: 50Hz 115V 0009379 .................................................... 51
4.16 Wiring Diagram: 50 Hz 230V 0009485 ................................................52
4.17 Components: 50Hz 230V 0009485 .....................................................53
4.18 Generator Capacitor Excitation Schematic .........................................54
4.19 Trailer Wiring .......................................................................................55
5. Lombardini Engine Troubleshooting 56
5.1 Troubleshooting Flowcharts ................................................................56
5.2 Engine Does Not Crank—Flowchart 3A ..............................................57
5.3 Checking Keyswitch and Wiring ..........................................................58
5.4 Replacing Keyswitch ...........................................................................60
5.5 Engine Cranks But Does Not Start—Flowchart 4A .............................61
5.6 Checking Fuel System ........................................................................62
5.7 Checking Voltage to Glow Plugs (Lombardini 1003 engines) .............63
5.8 Checking Glow Plug Relay ..................................................................64
5.9 Replacing Glow Plug Relay .................................................................64
5.10 Checking Glow Plugs ..........................................................................65
5.11 Engine Shuts Down—Flowchart 5A ....................................................66
5.12 Checking Oil Pressure and Coolant Temperature Switches ...............67
5.13 General Engine Troubleshooting .........................................................68
6. Electrical Troubleshooting Procedures 72
6.1 Troubleshooting Methodology .............................................................72
6.2 Checking Continuity ............................................................................73
6.3 Checking resistance ............................................................................73
6.4 Checking voltage .................................................................................73
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