LTC Repair Lombardini Engine Troubleshooting - Wacker Neuson

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Electrical Troubleshooting Procedures LTC Repair 6.16 Checking the Rotor Diodes See Graphic: wc_gr002461 There are two diodes on the rotor assembly. The engine/generator assembly must be removed and the stator must be separated from the rotor to check the function of the diodes. When checking, be sure to check both diodes. 6.16.1 Unsolder the two wires from the terminal end of each diode. 6.16.2 Using the diode setting on the multimeter, measure the voltage across the diode terminal and the base of the diode. Reverse the leads of the meter and measure the voltage again. One of the readings should be between 0.4–0.5V. With the meter leads reversed, the other reading should be OL or a very large reading (for example, 2.0 MV). 6.16.3 If your readings do not match those listed above, replace both diodes. Unscrew the diode to remove it. 94
LTC Repair Electrical Troubleshooting 95 F V V- COM A wc_gr002461
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www.wackergroup.com REPAIR MANUAL 0
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Foreword LTC Repair WARNING 4 CALIF
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Table of Contents LTC Repair 4.4 Pr
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Table of Contents LTC Repair 7.12 R
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Safety Information LTC Repair 1.2 O
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Safety Information LTC Repair 1.4 T
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Safety Information LTC Repair 1.6 L
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Safety Information LTC Repair 1.7 S
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Safety Information LTC Repair Ref.
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Safety Information LTC Repair Ref.
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Technical Data LTC 4L 2. Technical
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Technical Data LTC 4L 2.2 Generator
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Technical Data LTC 4L 26
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Operation LTC 4L 3.3 Leveling Trail
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Operation LTC 4L 3.6 Raising Tower
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Operation LTC 4L 3.7 Lowering Tower
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Operation LTC 4L 3.8 Control Panels
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Operation LTC 4L 3.10 Starting See
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Maintenance LTC Repair 4. Maintenan
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Maintenance LTC Repair 4.3 Installi
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Maintenance LTC Repair 4.5 Replacin
Page 44 and 45: Maintenance LTC Repair 44 4.8 Lomba
Page 46 and 47: Maintenance LTC Repair 4.10 Engine
Page 48 and 49: Maintenance LTC Repair 4.12 Wiring
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Page 72 and 73: Electrical Troubleshooting Procedur
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Torque Values Torque Values (contin
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LTC Repair Lombardini Engine Troubleshooting - Wacker Neuson

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