1. Introduction
This manual provides essential instructions for the safe and effective operation, maintenance, and care of your Ryobi Biscuit Joiner Kit. Please read and understand all instructions before using the tool. Keep this manual for future reference.

Figure 1: The Ryobi Biscuit Joiner Kit, a power tool designed for creating strong, precise joints in woodworking projects. It features a bright green and grey housing with an adjustable fence and a dust collection bag.
2. General Safety Information
Always follow basic safety precautions to reduce the risk of fire, electric shock, and personal injury when operating power tools. This includes, but is not limited to:
- Wear Eye Protection: Always wear safety goggles or safety glasses with side shields.
- Wear Hearing Protection: Use ear protection during extended operation.
- Dress Properly: Do not wear loose clothing, gloves, neckties, or jewelry that can get caught in moving parts. Secure long hair.
- Maintain Work Area: Keep your work area clean, well-lit, and free of clutter.
- Unplug Tool: Always unplug the tool from the power source before making adjustments, changing accessories, or performing maintenance.
- Secure Workpiece: Always clamp or otherwise secure the workpiece to prevent movement during operation.
- Avoid Forcing Tool: Allow the tool to work at its intended speed.
- Keep Hands Clear: Never place hands near the cutting blade during operation.
3. Setup
Before initial use, ensure all components are present and undamaged. The Ryobi Biscuit Joiner Kit typically includes the joiner tool, a dust bag, and a set of biscuits.
3.1 Attaching the Dust Bag
- Locate the dust exhaust port on the tool.
- Slide the dust bag collar over the exhaust port until it is securely fastened.
- Empty the dust bag regularly to maintain optimal dust collection and tool performance.
3.2 Adjusting Depth and Angle
The biscuit joiner features adjustable settings for various joint types:
- Depth Adjustment: Use the depth stop knob to set the desired cutting depth for different biscuit sizes (e.g., #0, #10, #20). Ensure the depth matches the biscuit size being used.
- Angle Adjustment: The fence can be adjusted to cut slots at various angles (0-90 degrees) for miter joints. Loosen the angle locking knob, set the desired angle using the scale, and tighten the knob securely.
4. Operating Instructions
Follow these steps for safe and effective use of your biscuit joiner:
- Marking Workpieces: Accurately mark the desired locations for your biscuit slots on both pieces of wood to be joined. Use a pencil and a square for precision.
- Positioning the Tool: Place the base of the biscuit joiner firmly against the workpiece, aligning the center mark on the tool with your pencil mark. Ensure the fence is flush against the edge of the wood.
- Making the Cut: With a firm grip on the tool, depress the trigger to start the motor. Allow the blade to reach full speed. Slowly and steadily push the tool forward into the workpiece until the depth stop is reached.
- Retracting the Tool: Once the cut is complete, pull the tool straight back out of the workpiece. Release the trigger and allow the blade to stop completely before setting the tool down.
- Inserting Biscuits and Applying Glue: Apply wood glue into the cut slots on both workpieces. Insert the appropriate size biscuits into the slots. The glue will cause the biscuits to swell, creating a tight, strong joint.
- Clamping: Bring the two workpieces together, aligning the biscuits and slots. Clamp the joint firmly until the glue dries according to the glue manufacturer's instructions.
5. Maintenance
Regular maintenance ensures the longevity and performance of your Ryobi Biscuit Joiner.
- Cleaning: After each use, unplug the tool and use a brush or compressed air to remove sawdust and debris from the motor vents, blade area, and fence mechanism.
- Blade Inspection: Periodically inspect the cutting blade for sharpness and damage. A dull or damaged blade can lead to poor cuts and increased motor strain. Replace blades as needed.
- Cord Inspection: Check the power cord for any cuts, fraying, or damage. Do not use the tool if the cord is damaged.
- Storage: Store the tool in a clean, dry place, out of reach of children.
6. Troubleshooting
If you encounter issues with your biscuit joiner, refer to the following common problems and solutions:
- Tool Not Starting: Ensure the tool is properly plugged into a functioning power outlet. Check the circuit breaker.
- Poor Cut Quality / Burning Wood: The blade may be dull or dirty. Replace or clean the blade. Ensure you are not forcing the tool and allowing the blade to reach full speed before cutting.
- Inaccurate Joints: Verify that the depth and angle settings are correctly adjusted and locked. Ensure the workpiece is securely clamped and the tool's fence is flush against the wood.
- Excessive Vibration: Check for a loose or damaged blade. Ensure the blade is properly installed and tightened.
For issues not covered here, contact Ryobi customer support or a qualified service technician.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | RYOBI |
| Model Number | ZY-GHM-0903-2-67 |
| Part Number | ZY-GHM-0903-2-67 |
| Item Weight | 10.03 pounds |
| Product Dimensions | 15 x 7.63 x 0.5 inches |
| Color | GREEN |
| Batteries Included | No |
| Batteries Required | No |
8. Warranty and Support
This Ryobi Biscuit Joiner Kit is covered by the manufacturer's warranty. Please refer to the warranty card included with your product for specific terms, conditions, and registration information. For technical assistance, replacement parts, or further support, please contact Ryobi customer service.





