Product description

The Rotary Shutter 8308817 is a precision component of the wheel balancer’s optical encoding system, responsible for tracking the exact rotation and speed of the spindle. This slotted disc works in conjunction with an optical sensor to provide the machine's computer with the timing data needed for accurate weight placement. If the shutter becomes warped, bent, or filled with debris, the machine may lose track of the wheel’s position, resulting in incorrect balance readings or "chasing" weights. Replacing a damaged shutter is essential for maintaining the high-speed accuracy required for modern alloy wheels. It is crafted from lightweight, durable material to ensure low inertia and long-term stability.

Product highlights

• Precision-Cut Slots: Ensures highly accurate timing pulses for the optical encoder system.
• High-Stability Material: Resists warping and thermal expansion for consistent performance across temperature ranges.
• Critical Timing: Essential for the correct angular placement of clip-on and adhesive weights.
• Direct Drive Compatibility: Designed to sync perfectly with high-speed direct drive motor assemblies.

Specs

• OEM Reference: 8308817
• Manufacturer Part Number: 8308817
• Country of Manufacture: USA

Direct replacement models

• Coats: 8308817
• Fits Models: Fits various Coats wheel balancers equipped with optical rotary encoding systems.

You will receive the same product or an OEM-Equivalent that meets the highest standard of the OEM with warranty that will be a direct-fit. Manufactured with rigorous industry standards and certified in the USA with superior quality to the OEM.