LTC Repair Lombardini Engine Troubleshooting - Wacker Neuson

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Electrical Troubleshooting Procedures LTC Repair 6.31 Troubleshooting the Power Winch See Graphic: wc_gr003160 6.31.1 Lower the tower. 6.31.2 Lower the mast assembly into the cradle. 6.31.3 Turn off the engine. 6.31.4 Be sure the machine’s battery is fully charged (approximately 12V). 6.31.5 Remove the four screws (a) which secure the cover of the winch and remove the cover. Pinching hazard. Use extreme care when operating the winch with its cover removed. CAUTION 6.31.6 Disconnect the red and black wires at the motor (b). 6.31.7 Place the appropriate winch switch (c) in the up or down position, and check for battery voltage (approximately 12) between the red and black wires. If 12V is measured, the power winch is receiving the correct voltage. Thus, the power winch should operate. If power winch does not operate, replace it. If 12V is not measured, continue. 6.31.8 Remove the control panel (d) from the control box. 6.31.9 Check for battery voltage (approximately 12V) between terminals B1 and B2 of the winch switch (e). If 12V is measured, the winch switch is receiving the correct voltage. Thus, the power winch switch should operate. Check for battery voltage between terminals A1 and A2 for both the up and the down positions of the winch switch. If the winch switch does not operate, replace it. If 12V is not measured, continue. 6.31.10 Locate the circuit breaker (f). Remove the tape and check for battery voltage between the output side (g) of the circuit breaker and ground. If 12V is measured at the output side of the circuit breaker but not at the winch switch, the wiring between the circuit breaker and the winch switch has failed; repair or replace the wiring. If 12V is not measured, continue. 6.31.11 Check for battery voltage between the input side of the circuit breaker and ground. If 12V is measured between the input side and ground but not the output side and ground, the circuit breaker has failed; replace it. 120
LTC Repair Electrical Troubleshooting d f c If 12V is not measured, the wiring from the starter solenoid or the wiring from the battery to the starter solenoid has failed. Check the wiring and repair or replace it as necessary. a 121 1000 F 200 V 20 2 200m V- COM 1000 F 200 V 20 2 200m V- COM A A h b g e wc_gr003160
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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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Lombardini Engine Troubleshooting L
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Page 70 and 71: Lombardini Engine Troubleshooting L
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LTC Repair Lombardini Engine Troubleshooting - Wacker Neuson

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