1. Product Overview
The Populo 1-1/2'' Expansion Tool Head is designed for efficient preparation of 1-1/2" PEX tubing. It features a precision swivel interface for compatibility with Milwaukee M18 expansion tools. Constructed from high-strength steel with chrome-plated jaws, this tool head offers durability and reliable performance for daily use.
Key features include:
- Precision Swivel Interface: Ensures compatibility with M18 tools for optimal performance.
- Excellent Performance and Efficiency: Designed for quick and effective 1-1/2" tubing expansion.
- Durable, High-Quality Materials: Manufactured from high-strength steel with chrome-plated and black oxidized rings for weather and abrasion resistance.
- Intuitive Size Identification: Color-coded design for easy size recognition and precise sizing for an exact fit.

2. Setup and Compatibility
Before use, ensure the expansion tool head is correctly attached to a compatible Milwaukee M18 expansion tool. The precision swivel interface allows for easy installation and removal.
2.1 Tool Compatibility
This 1-1/2'' expansion head is compatible with specific Milwaukee M18 models. Refer to the compatibility chart below to ensure your tool is suitable.

For the 1-1/2'' size, compatible tools include M18 (2632) and M18 (2932).

3. Operating Instructions
Follow these steps for effective use of your Populo 1-1/2'' Expansion Tool Head:
- Attach the Head: Securely fasten the 1-1/2'' expansion head to your compatible Milwaukee M18 expansion tool. Ensure it clicks into place firmly.
- Prepare Tubing: Cut the 1-1/2" PEX tubing to the desired length, ensuring a clean, straight cut.
- Insert and Expand: Insert the PEX tubing onto the expansion head. Activate your power tool to begin the expansion process. The tool head will expand the tubing to the correct diameter for fitting.
- Remove Tubing: Once expanded, carefully remove the tubing from the tool head. The expanded tubing will contract slightly as it cools, creating a secure connection.

3.1 Operational Video
Watch this video for a visual guide on using the expansion tool head:
4. Maintenance
Proper maintenance ensures the longevity and optimal performance of your Populo Expansion Tool Head.
- Cleaning: After each use, clean any debris or residue from the expansion jaws and the tool head body.
- Lubrication: Periodically apply a light lubricant to the moving parts of the expansion jaws to ensure smooth operation.
- Storage: Store the tool head in dry conditions to prevent corrosion and extend its lifespan. The high-strength steel construction is designed for durability, but proper storage is crucial.
- Inspection: Regularly inspect the chrome-plated steel jaws for any signs of wear or damage. Replace the tool head if significant wear is observed to maintain precision.

5. Troubleshooting
If you encounter issues with your expansion tool head, consider the following common solutions:
- Jaws Not Seated Properly: If the expander jaws appear loose or have fallen out, carefully re-seat them into their correct positions. Ensure all components are properly aligned before use.
- Difficulty Expanding Tubing: Verify that you are using the correct size expansion head for your tubing (1-1/2'' in this case). Ensure your power tool is fully charged and operating correctly.
- Inconsistent Expansion: Check for any debris or damage within the expansion head that might impede smooth operation. Ensure the tool head is securely attached to the power tool.
- Tool Head Not Fitting Power Tool: Double-check the compatibility chart in Section 2.1 to confirm your power tool model is supported.
6. Specifications
| Manufacturer | POPULO |
| Part Number | 49-16-2612 |
| Model Number | 91342 |
| Item Weight | 1.21 pounds |
| Package Dimensions | 3.54 x 2.75 x 2.75 inches |
| Size | 1-1/2'' |
| Material | Steel |
| Item Package Quantity | 1 |
7. Warranty and Support
Warranty information for the Populo 1-1/2'' Expansion Tool Head is not provided within this document. For specific warranty details or to inquire about product support, please refer to the official Populo brand store on Amazon or contact the manufacturer directly.
You can visit the Populo Store on Amazon for more information.