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Self-Locking Nut M10 (Coats 84399971)

Self-Locking Nut M10 (Coats 84399971)

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  • $15.09

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Upgrade & Restore Your Tire Changer's Mechanical Rigidity

The Self-Locking Nut M10 is a heavy-duty, direct-replacement locknut/jam nut designed to secure critical pivot pins, cylinder rods, and mechanical linkages on professional tire changers.

Under continuous mechanical shock and intense shop vibrations, locking nuts can back off or strip, introducing dangerous play in foot pedals and table assemblies. This fine-thread replacement nut holds torque securely to prevent joint loosening.

📋 Factory Service Bulletin Guidance:

Update Date: Date Unavailable
Subject: Design/Service Updates for CHD 9041, 9043, 9551 UPDATE

Date: 2020-6-29 A If any of the following parts require changing, ensure that you order NEW Part Numbers. CHD9041/CHD9043 New Clamping Chuck Arm Assembly – Part Number 82043345RO replaces Old Clamping Chuck Arm – Part Number 82033502 New Base Frame Assembly – Part Number 82043347RO Old Base Frame – Part Number 87918942 The New Part Numbers above shall be ordered when replacing old part numbers on machines before modification (see below for first serial number) First Serial Number with new Arm and Frame GAE1707490 For machines after the modification (see above for first serial number), order: New Pin – Part Number 83043094 Bolt – Part Number 83043352 Nut – Part Number 84399971 Same Pin, Bolt and Nut for both Arm and Fr...

Machine Location:

This fastener threads directly onto the foot pedal linkages, cylinder mounting pins, or vertical slide locking shafts inside the tire changer's cabinet.

Key Features & Specifications

  • Carbon Steel Forging: High-tensile carbon steel body built to resist thread stripping and mechanical shear.
  • Corrosion Shielding: Features a protective zinc coating to withstand compressor moisture and shop oil.
  • High Vibration Resistance: Designed to lock threads firmly in high-shock mechanical pivot points.

Complete Machine Compatibility

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

  • Coats 9028E Tire Changer
  • Coats Aps-3000 Leverless Tire Changer 1
  • Coats Cdh-4730, Electric-Hydraulic Tire Changer
  • Coats Cdh-9041, Electric-Hydraulic Tire Changer
  • Coats Cdh-9043, Electric-Hydraulic Tire Changer
  • Coats Wheel Lift For Use With 9024E Rim Clamp Tire Changer

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:

Clean the mating threads with a wire brush to remove shop grit before threading. Always tighten lock nuts with a backup wrench to prevent twisting or damaging neighboring linkages.

Alternative / Cross-Reference Part Numbers: SVI BW-8439-9971 | Coats 84399971 | Distributor AM84399971

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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