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Upgrade & Restore Your Tire Changer's Performance

The Robo Arm Seal Kit Round Cylinder Only is a high-quality direct-replacement part designed for professional tire changers. Engineered to precise factory tolerances, it replaces original equipment part number 8184492 to keep your machinery in peak operating condition.

Timely replacement of worn mechanical hardware and consumables is critical to avoiding major component damage and reducing expensive bay downtime.

๐Ÿ“‹ Factory Service Bulletin Guidance:

Update Date: April 2014
Subject: Robo Cylinder Seal Kits

Due to a change in the piston for the Robo Cylinder, a different seal may be required than has previously shipped with the 8184492 seal kit. The kit has been modified to include both seals as well as a gauge to check the piston and determine the proper seal to be used. New Kit Contents: Original Kit Contents Piston Gauge New Seal Seal A- with embossed pattern (In the original kit) Use if Gauge does fit the Piston seal groove completely Seal B โ€“ not embossed Added to the kit Use if Gauge does not fit Piston seal groo ve completely Seal A with embossed pattern Use if Gauge fits the Piston seal groove completely (seated fully in groove) Seal B โ€“ not embossed Use if Gauge does not fit the Piston seal groove (gapped as shown)

Update Date: Date Unavailable
Subject: Changes to Seal Kit 8184492

Referencing information from : Due to a change in the piston for the Robo Cylinder, a different seal may be required than has previously shipped with the 8184492 seal kit. The kit has been modified to include both seals as well as a gauge to check the piston and determine the proper seal to be used. The 8184492 kit included both seals since this bulletin was published. Due to a change in suppliers the โ€œBโ€ seals are no longer being manufactured. When current inventory is exhausted the kit will only include seal โ€œAโ€. If someone has a cylinder that needs seal โ€œBโ€ it will require replacement with the new Robo Cylinder.

Machine Location:

This part is positioned in the primary mechanical assemblies or utility configurations of the tire changer.

Key Features & Specifications

  • Engineered Longevity: Built from durable materials designed to handle high-volume shop environments.
  • Direct Fitment: Designed to replace original hardware with no modifications or alignment adjustments required.
  • OEM Specifications: Fits perfectly to prevent mechanical play and preserve factory-spec alignment.

Complete Machine Compatibility

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

  • Coats Apx90
  • Coats Kit 8184492, Robo-Arm Cylinder Seal

Frequently Bought Together / Related Parts

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

๐Ÿ”ง Pro Installer Tip:

Always refer to your equipment's official parts manual before final installation to confirm the exact alignment and torque sequence.


Alternative / Cross-Reference Part Numbers: SVI BW-1244-94 | Coats 8184492 | Distributor AM8184492

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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