8520C Screed Element Harness Kit Service Bulletin 4/29/2025

Service Bulletin 4/29/2025

Part Number Change for 1030200 and 1030204 Element Harness.

Machine Model: 8520C - HD Pro and HD Screeds.

Serial Numbers: 333119 to 471041

Action Requested: Field Fix After Failure

Parts Required: 1030204SRV KIT, HARNESS SCREED ELEMENTS LARGE

Issue Description:

The Screed Element Harness located on the 8520C is now available in a Kit for both screeds, the harness is an insulated jacketed cable.

The new harness is also made so that you can replace the left side or the right side in the event of an issue. These improvements address and aim to prevent common failure modes that have been identified including short/breaks in the wires of the e-chain, physical cuts from tubed steel, and damage/melting at the electrical crimps. The harness also has larger pins and connectors to help with the heat transfer and current draw also includes the larger pins for the changing of the end gate side and berm on the screed if needed.

Action Detail:

Please review the PowerPoint instructions attached below. 

Please review the the drawing attached below.

LeeBoy will pay four hours of warranty labor for the harness install and new connectors.

For questions or concerns please call Rapid Response at 844-205-5499 or email [e-mail]