LTC Repair Lombardini Engine Troubleshooting - Wacker Neuson

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Electrical Troubleshooting Procedures LTC Repair 6.23 Checking Incoming Voltage to Ballast Capacitor(s) See Graphic: wc_gr003788 WARNING Electric shock hazard. Only qualified personnel should conduct this test. Start this procedure with the machine shut down. 6.23.1 Remove the control panel front cover. 6.23.2 Disconnect the wiring to the lights by disconnecting the outgoing wires (a, b, c, & d) from the ballast capacitors. 6.23.3 Start the machine. 6.23.4 Place the main circuit breaker and the individual circuit breaker(s) in the ON position. 6.23.5 Using the AC voltage setting on the multimeter, measure the incoming voltage to the ballast capacitor(s) by measuring across the input wire (e) and the wires (f) of the terminal strip. There should be 400V±10% measured. If 400V±10% is not measured, it indicates: faulty wiring to the ballast transformers, faulty wiring to the ballast capacitors, or a failed ballast transformer. See section Checking Wiring to/from Ballast Transformers. If 400V±10% is measured, the ballast transformer(s) is functioning. Shutdown the machine and continue troubleshooting by checking the ballast capacitors. See section Checking Outgoing Voltage from Ballast Capacitor(s). 106
LTC Repair Electrical Troubleshooting 1 d b c a f 2 3 4 107 1000 F 200 V 20 2 200m V- COM A e e 1 2 3 wc_gr003788 4
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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
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Maintenance LTC Repair 44 4.8 Lomba
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Maintenance LTC Repair 4.10 Engine
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Maintenance LTC Repair 4.12 Wiring
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Maintenance LTC Repair 4.18 Generat
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LTC Repair Lombardini Engine Troubleshooting - Wacker Neuson

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