LTC Repair Lombardini Engine Troubleshooting - Wacker Neuson

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Lombardini Engine Troubleshooting LTC Repair 5. Lombardini Engine Troubleshooting 5.1 Troubleshooting Flowcharts The troubleshooting flowcharts are designed to take you through the process of determining the source of a problem with engine starting or machine operation. Many of the tests involve live voltages and therefore should only be attempted by qualified personnel. Detailed procedures for carrying out the tests are included in this manual. All highlighted text within the flowcharts have matching sections in this manual. 56
LTC Repair Lombardini Engine Troubleshooting 5.2 Engine Does Not Crank—Flowchart 3A Engine Does Not Crank Check battery voltage. Consult Lombardini Engine Repair Manual. Does battery measure 11.0–13.0V? No Recharge or replace battery. Yes Yes Reconnect black wire. Clean and tighten connections. Repair wiring from terminal 30 to battery. Check for battery voltage between black wire at starter solenoid and ground when key is in START position. Is battery voltage measured between black wire and ground? No Repair/replace black wire. 57 No No Is the black wire connected? Yes Are connections clean and tight? Yes Check for battery voltage between terminal 30 of keyswitch and ground. No Is battery voltage measured between 30 and ground? Yes Check for battery voltage between terminal 50 and ground when key is placed in the START position. Yes Check connection of black wire at starter solenoid. Also check wire connections at back of keyswitch. See Checking Keyswitch and Wiring. Is battery voltage measured between 50 and ground? No Replace keyswitch. wc_gr003502
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www.wackergroup.com REPAIR MANUAL 0
Page 4 and 5:
Foreword LTC Repair WARNING 4 CALIF
Page 6 and 7: Table of Contents LTC Repair 4.4 Pr
Page 8 and 9: Table of Contents LTC Repair 7.12 R
Page 10 and 11: Safety Information LTC Repair 1.2 O
Page 12 and 13: Safety Information LTC Repair 1.4 T
Page 14 and 15: Safety Information LTC Repair 1.6 L
Page 16 and 17: Safety Information LTC Repair 1.7 S
Page 18 and 19: Safety Information LTC Repair Ref.
Page 20 and 21: Safety Information LTC Repair Ref.
Page 22 and 23: Technical Data LTC 4L 2. Technical
Page 24 and 25: Technical Data LTC 4L 2.2 Generator
Page 26 and 27: Technical Data LTC 4L 26
Page 28 and 29: Operation LTC 4L 3.3 Leveling Trail
Page 30 and 31: Operation LTC 4L 3.6 Raising Tower
Page 32 and 33: Operation LTC 4L 3.7 Lowering Tower
Page 34 and 35: Operation LTC 4L 3.8 Control Panels
Page 36 and 37: Operation LTC 4L 3.10 Starting See
Page 38 and 39: Maintenance LTC Repair 4. Maintenan
Page 40 and 41: Maintenance LTC Repair 4.3 Installi
Page 42 and 43: 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
Page 54 and 55: Maintenance LTC Repair 4.18 Generat
Page 58 and 59: Lombardini Engine Troubleshooting L
Page 72 and 73: Electrical Troubleshooting Procedur
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Electrical Troubleshooting Procedur
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Disassembly/Assembly Procedures LTC
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Threadlockers and Sealants Threadlo
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Torque Values Torque Values (contin
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LTC Repair Lombardini Engine Troubleshooting - Wacker Neuson

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