1. Introduction
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of the Woodpecker Pneumatic Headless Pinner Gun Nailer Firing Pin Spare Parts, compatible with P630 and P625 models. This firing pin is a critical component for the proper function of your pneumatic pinner gun, ensuring efficient and reliable nailing operations.

Figure 1: Woodpecker Firing Pin Spare Part
2. Specifications
The firing pin is designed for durability and precision, ensuring optimal performance of your pneumatic pinner gun.
| Attribute | Value |
|---|---|
| Brand Name | Woodpecker |
| Model Number | K-P630 (Compatible with P625) |
| Origin | Mainland China |
| Package Weight | 0.13 kg |
| Package Dimensions (L x W x H) | 14 cm x 10 cm x 9 cm |
2.1. Firing Pin Dimensions

Figure 2: P630 Firing Pin Dimensions. Total length 10cm, head width 1cm, head height 1.8cm, pin width 0.6cm. Note: Manual measurement may have ±0.1MM error.

Figure 3: Comparison of Firing Pin Dimensions for KAMSIN Pneumatic Nailers. P625 Firing Pin: Total length 9.8cm, head width 0.8cm, head height 2cm, pin width 0.6cm. P630 Firing Pin: Total length 10.1cm, head width 0.9cm, head height 1.8cm, pin width 0.6cm. Note: Manual measurement may have ±0.1MM error.
3. Installation
Replacing the firing pin requires careful handling and adherence to safety procedures. Always ensure the pneumatic tool is disconnected from its air supply before attempting any maintenance or part replacement.

Figure 4: Exploded view diagram of a P630 pneumatic nailer. The firing pin assembly is highlighted, showing its position within the tool.
- Disconnect Air Supply: Ensure the pinner gun is completely disconnected from the air compressor.
- Disassemble the Nosepiece: Carefully remove the nosepiece and any retaining clips or screws that secure the front assembly of the pinner gun. Refer to your pinner gun's specific manual for detailed disassembly instructions.
- Locate the Firing Pin Assembly: Identify the existing firing pin assembly. In Figure 4, the firing pin assembly is typically located within the highlighted section.
- Remove Old Firing Pin: Extract the worn or broken firing pin. This may involve removing additional components such as springs or seals. Note the orientation of all parts for correct reassembly.
- Install New Firing Pin: Insert the new Woodpecker firing pin into its designated position. Ensure all seals (O-rings) are properly seated and lubricated if necessary.
- Reassemble: Reassemble the pinner gun in reverse order of disassembly, ensuring all components are securely fastened.
- Test: Reconnect the air supply and perform a test fire in a safe area to ensure proper function.
4. Operation
The firing pin is an internal component that drives the nail. Once installed, the pinner gun operates as usual. Ensure you are familiar with the general operating procedures of your pneumatic pinner gun before use.
- Always wear appropriate personal protective equipment (PPE), including safety glasses.
- Ensure the correct nail size and type are loaded into the magazine.
- Maintain a firm grip on the tool and apply appropriate pressure to the workpiece.
Video 1: Short video demonstrating the firing pin's movement and construction.
5. Maintenance
Regular inspection and maintenance of the firing pin will extend the life of your pinner gun and ensure consistent performance.
- Inspection: Periodically inspect the firing pin for signs of wear, bending, or damage. Look for a blunted tip, cracks, or excessive scoring on the shaft.
- Cleaning: Keep the firing pin and its housing clean from debris, dust, and nail residue. Use a clean cloth and appropriate cleaning agents recommended for pneumatic tools.
- Lubrication: Apply a few drops of pneumatic tool oil to the air inlet of the pinner gun before each use, or as recommended by your pinner gun's manufacturer. This helps lubricate internal components, including the firing pin.
- Storage: Store the pinner gun in a clean, dry environment when not in use.
6. Troubleshooting
If your pinner gun is experiencing issues related to firing, the firing pin may be a contributing factor. Here are some common problems and potential solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Nailer fails to fire or misfires | Worn, bent, or broken firing pin tip | Inspect firing pin (Section 5). Replace if damaged. |
| Nails are not fully driven | Worn firing pin, insufficient air pressure, or incorrect nail size | Check air pressure. Inspect firing pin for wear. Ensure correct nail size. |
| Firing pin sticks or moves sluggishly | Lack of lubrication, dirt/debris in housing | Clean and lubricate the firing pin and its assembly (Section 5). |
7. User Tips
- Verify Dimensions: Before purchasing, always compare the dimensions of your existing firing pin with the specifications provided (Figures 2 and 3) to ensure compatibility, especially if your pinner gun is not a Woodpecker P630 or P625 model.
- Check for Compatibility: While this part is specifically for P630 and P625, some users have inquired about compatibility with other brands like Elpa 630 or Ro-ma 3064. Always cross-reference dimensions and consult your tool's manual to confirm fitment.
8. Warranty and Support
For any issues or questions regarding your Woodpecker firing pin spare part, please contact the seller or manufacturer's customer support. Keep your purchase receipt as proof of purchase for any warranty claims.





