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Harness, Signal (Coats 8112839)

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  • $382.04

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Upgrade & Restore Your Wheel Balancer's Performance

The Harness, Signal is a professional-grade mechanical component designed specifically for wheel balancers. Engineered to exact factory tolerances, it replaces original equipment part number 8112839 to maintain balanced, concentric rotation and precise wheel balancing calibration.

Timely replacement of worn components and hardwares is critical to preventing high-speed vibrations, protecting sensitive piezoelectric sensors, and reducing expensive garage downtime.

📋 Factory Service Bulletin Guidance:

Update Date: September 2004
Subject: 950-1055 Touch Panel PCB Ground Strap Change

Brake Lathes Beginning in April 2004 with serial No. 0404XXXXXX the Model 950 through Model 1055 touch panel PCB ground strap was changed. This was done because shipping vibration caused the alligator clip on the pod end to occasionally disconnect. The new ground strap is still connected by an alligator clip to a touch panel PCB stand off. The other end employs a ring terminal that connects to the green chassis ground screw. This new strap is now incorporated into the signal harness assembly p/n 8112839. Whenever servicing the touch panel on the above models, always check that the ground strap is properly secured to the stand off.

Machine Location:

This part is positioned within the rotating shaft, hub adapters, motor assemblies, or safety hood structures of the wheel balancer.

Key Features & Specifications

  • Precision Engineering: Fabricated to exact tolerances to ensure perfectly concentric rotation on high-speed balancer shafts.
  • Vibration Damping: Engineered to absorb mechanical vibrations and sustain critical calibration stability.
  • Direct Factory Drop-In: Fits seamlessly onto original mounting positions with no modifications required.

Complete Machine Compatibility

This universal replacement part is documented and verified to fit the following Coats® equipment models:

  • Coats 1000 / 1000D Balancer
  • Coats 6401 Balancer
  • Coats 950, 1025, 1050, 1055 Balancer

Frequently Bought Together / Related Parts

These drawing-adjacent parts connect directly next to this part on your parts breakdown and assembly drawings:

🔧 Pro Installer Tip:

Disconnect the machine from power before replacing any parts. We highly recommend running a standard calibration cycle on your wheel balancer after servicing any rotating shaft components.

Alternative / Cross-Reference Part Numbers: SVI BW-8112-839 | Coats 8112839 | Distributor AM8112839

AMMCO and COATS are registered trademarks of The Coats Company. AEPN Inc. is not associated in any way with The Coats Company, Inc. Any names, symbols, numbers, and descriptions are used for reference purposes only. It is not implied that any part listed is the product of these manufacturers.

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