1. Overview
The Milwaukee M12 Compact Inflator is a portable tool designed for fast and accurate inflation of various items, including car, light truck, and compact equipment tires. It features a high-efficiency pump and motor capable of delivering up to 120 PSI.
Key features include TrueFill™ auto shut-off technology for precise pressure, an illuminated digital gauge for clear readings, and a durable, weather-resistant design with anti-vibration feet.

Figure 1: Front view of the Milwaukee M12 Compact Inflator.
2. Setup
2.1 Battery Installation
Insert a charged Milwaukee M12 battery into the inflator's battery slot until it clicks securely into place.
2.2 Hose and Accessory Attachment
The inflator includes a 26-inch hose with an all-brass Schrader chuck. Various accessories (e.g., needle for sports balls, Presta valve adapter) are stored on the unit. Select the appropriate accessory and securely attach it to the hose.

Figure 2: Side view of the inflator, showing integrated hose storage.
3. Operating Instructions
- Power On: Press the power button to activate the inflator. The illuminated digital gauge will display the current pressure.
- Set Target Pressure: Use the '+' and '-' buttons to adjust the desired PSI (Pounds per Square Inch) target.
- Connect to Item: Securely attach the hose chuck (with the appropriate adapter) to the item to be inflated (e.g., tire valve stem, sports ball valve).
- Start Inflation: Press the start button to begin inflation. The inflator will automatically stop once the set target PSI is reached, thanks to TrueFill™ auto shut-off technology.
- Monitor Progress: The digital gauge displays both the current and target pressure during inflation.
- Disconnect: Once inflation is complete and the unit has stopped, disconnect the hose from the item.
- Power Off: Press and hold the power button to turn off the inflator.

Figure 3: Detailed view of the digital display and control buttons.
4. Maintenance
- Cleaning: Keep the inflator clean and free of debris. Use a soft, damp cloth for cleaning. Do not use harsh chemicals.
- Storage: Store the inflator in a dry, secure location. Ensure the hose and all accessories are properly stored in their designated compartments on the unit to prevent loss or damage.
- Battery Care: Always use genuine Milwaukee M12 batteries and chargers. Store batteries in a cool, dry place.

Figure 4: Rear view of the inflator, showing accessory storage compartments.
5. Troubleshooting
- If the inflator does not turn on, ensure the battery is fully charged and properly inserted.
- If the inflator does not reach the target pressure, check for leaks in the hose or connection to the item.
- For further assistance, refer to the official Milwaukee Electric Tools support resources.
6. Specifications
| Feature | Detail |
|---|---|
| Manufacturer | Milwaukee Electric Tools |
| Brand | Milwaukee |
| Model | 2475-20 |
| Item Weight | 3.63 pounds |
| Product Dimensions | 7.5 x 6.5 x 6.5 inches |
| PSI Rating | 0 - 120 PSI |
| Hose Length | 26 inches |
| Gauge Accuracy | +/- 3% |
| Duty Cycle | 50% |
| Power Source | Cordless (M12 Lithium Polymer batteries required) |
| Special Features | Pressure Detection |
7. Warranty and Support
For detailed warranty information, product registration, and customer support, please visit the official Milwaukee Electric Tools website or contact their customer service directly.
8. Product Images

Front view of the Milwaukee M12 Compact Inflator.

Side view of the Milwaukee M12 Compact Inflator, showing the hose storage.

Front view of the Milwaukee M12 Compact Inflator, highlighting the control panel.

Rear view of the Milwaukee M12 Compact Inflator, showing accessory storage.

Milwaukee M12 Compact Inflator in use, inflating a tire on a light truck.

Detailed view of the Milwaukee M12 Compact Inflator's digital display and controls.





