Makita 929108080
Makita 929108080 Snap Ring Instruction Manual
Genuine OEM Replacement Part
1. Introduction
This manual provides essential information for the proper handling, installation, and maintenance of the Makita 929108080 Snap Ring. This component is a genuine OEM replacement part designed for specific Makita power tools.

Image: The Makita 929108080 Snap Ring, a small metallic circular component.
2. Compatibility
The Makita 929108080 Snap Ring is specifically compatible with the following Makita model:
- Makita DCS431
Always verify the part number and compatibility with your tool's specific model before installation.
3. Installation
Proper installation is crucial for the snap ring's function and tool safety. It is recommended that installation be performed by a qualified technician or an individual with experience in tool repair.
Safety Precautions:
- Always disconnect the power tool from its power source before attempting any repairs or part replacements.
- Wear appropriate personal protective equipment (PPE), such as safety glasses and gloves.
- Use proper tools, such as snap ring pliers, to avoid injury and damage to the part or tool.
- Keep small parts away from children.
General Installation Steps:
- Identify the location where the snap ring needs to be installed within the DCS431 tool.
- Carefully remove any old or damaged snap ring using appropriate tools.
- Clean the area to ensure no debris interferes with the new snap ring's seating.
- Using snap ring pliers, carefully expand the new Makita 929108080 Snap Ring just enough to fit it into its groove.
- Ensure the snap ring is fully seated in its groove and provides secure retention.
- Reassemble the tool components as per the tool's service manual.
4. Usage and Function
Once correctly installed, the Makita 929108080 Snap Ring functions as a retaining ring, securing components within the Makita DCS431 tool. Its purpose is to prevent axial movement of parts on a shaft or within a bore, ensuring the proper operation and integrity of the tool's internal mechanisms.
5. Maintenance and Inspection
As a critical retaining component, periodic inspection of the snap ring is recommended, especially during other tool maintenance or repair activities.
- Visual Inspection: Check for signs of wear, deformation, cracks, or corrosion.
- Proper Seating: Ensure the snap ring remains fully seated in its groove and has not become dislodged.
- Retention: Verify that the snap ring is still providing adequate retention for the components it secures.
If any damage or wear is observed, replace the snap ring immediately with a genuine Makita replacement part to maintain tool safety and performance.
6. Troubleshooting
Issues related to a snap ring typically involve improper installation or component failure due to wear or stress.
| Problem | Possible Cause | Solution |
|---|---|---|
| Snap ring does not fit into groove. | Incorrect part number; groove is obstructed or damaged. | Verify part number for your tool model. Clean groove. Inspect groove for damage. |
| Snap ring comes loose after installation. | Improper installation (not fully seated); worn or damaged snap ring; worn groove. | Re-install ensuring full seating. Replace snap ring if damaged. Inspect and repair groove if necessary. |
| Tool malfunction after snap ring replacement. | Incorrect reassembly of tool components; snap ring interfering with other parts. | Review tool's service manual for correct reassembly. Ensure snap ring is correctly positioned. |
If issues persist, consult a professional tool repair service or contact Makita customer support.
7. Specifications
Key specifications for the Makita 929108080 Snap Ring:
- Part Number: 929108080
- Type: Snap Ring
- Dimensions: Approximately 0.38 X 0.44 X 0.38 inches
- Manufacturer: Makita
- Country of Origin: USA
- ASIN: B010C7B27K
8. Warranty and Support
As a genuine OEM Makita replacement part, the 929108080 Snap Ring is manufactured to Makita's high-quality standards. For specific warranty information regarding replacement parts, please refer to Makita's official warranty policy or contact Makita customer service directly.
For technical support or inquiries about this part, please visit the official Makita website or contact their authorized service centers.
Makita Official Website: www.makitatools.com
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