In this guide, we will walk you through the step-by-step process of removing and installing the DC converter for the Volvo EC18 Electric machine. The DC converter plays a crucial role in converting and regulating electrical power, and it is essential to handle this component with care. By following these instructions and having the necessary tools and software, you can safely and effectively replace the DC converter.
Preparations:
Volvo Techtool 2023 Diagnostic Software
Volvo VOCOM 88890300
Procedures:
Removal
1. Place the machine in the service position to ensure easy access to the DC converter.
2. Decommission the machine by following the appropriate procedures outlined in the manufacturer’s manual.
3. Remove the cab platform to gain access to the DC converter.
4. Disconnect the remaining cables connected to the DC/DC converter.
5. Remove the nuts securing the DC/DC converter on the bracket.
Figure 1
1.DC/DC converter
2.Nuts (4 pcs)
3.DC/DC converter
4.Bracket
Installation:
Total procedure time (hr): 1.25
1. Install the new DC/DC converter onto the bracket.
– Refer to Figure 1 for visual guidance.
2. Connect the cable from the front ground point to the terminal post (3) using the recommended torque.
– Refer to Figure 2 for visual guidance.
Figure 1
DC/DC Converter
1.Nuts (4 pcs)
2.DC/DC converter
3.Bracket
2.Install the cable from the front ground point on the terminal post (3) with recommended torque.
Figure 2
DC/DC converter
1.Terminal post, positive (+) input voltage
2.Terminal post, ground input voltage
3.Terminal post, ground output voltage
4.Connector
3. Install the cable from the rear ground point onto the terminal post (2) and tighten the nut to the recommended torque.
4. Attach the positive (+) cable to the terminal post (1) and tighten the nut to the recommended torque.
5. Connect the cable (4) of the wire harness to the DC/DC converter.
6. Reinstall the cab platform.
7. Conduct a thorough inspection of the electrical installation of the DC/DC converter, including insulation resistance and low resistance measurements.
Conclusion:
By following these detailed instructions, you can successfully remove and install the DC converter for your Volvo EC18 Electric machine. Remember to always refer to the manufacturer’s manual and use the recommended software and tools to ensure a safe and efficient process. If you encounter any difficulties or require further assistance, it is advised to consult a qualified technician or Volvo service center.
For more Volvo excavator repair,please refer to Volvo excavator trouble repair