1. Introduction
Thank you for choosing the SERVOMASTER SM10 Portable Cordless Tire Inflator. This device is designed for convenient and efficient inflation of various items, including car tires, motorcycle tires, bicycle tires, and sports balls. Featuring a maximum pressure of 150 PSI, a digital pressure gauge, and an auto shut-off function, it ensures accurate and safe inflation. Its compact design and cordless operation make it an ideal tool for on-the-go use.
Please read this manual thoroughly before operating the device to ensure proper use and to maximize its lifespan.
2. Safety Information
- Keep the device away from children.
- Do not operate the inflator in wet conditions or near flammable liquids or gases.
- Ensure the correct pressure setting for the item being inflated to prevent over-inflation, which can cause damage or injury. Refer to the manufacturer's recommended pressure.
- Do not leave the inflator unattended while in operation.
- Avoid prolonged continuous operation. Allow the device to cool down after extended use to prevent overheating.
- Store the device in a cool, dry place when not in use.
- Use only the provided accessories and charging cables.
3. Package Contents
Verify that all items listed below are included in your package:
- SERVOMASTER SM10 Tire Inflator
- Car Power Supply Cable (12V DC adapter)
- Type-C Charging Cable
- Storage Bag
- User Manual
- Ball Needle Valve
- Presta to Schrader Adapter
- Air Nozzle Cones (various sizes)
- Safety Hammer (integrated or separate accessory)

Figure 3.1: Contents of the SERVOMASTER SM10 package, showing the main unit, various nozzles, charging cables, and a storage bag.
4. Product Overview
Familiarize yourself with the main components and controls of your SERVOMASTER SM10 Tire Inflator:

Figure 4.1: Front view of the inflator with key components labeled: Power Display, Real-Time Pressure Value, Preset Tire Pressure, Preset Mode, Mode Button, "+" Button, "-" Button, LED/SOS Button.
- Digital Display: Shows real-time pressure, preset pressure, battery level, and selected mode.
- Power Button: Activates/deactivates the device and starts/stops inflation.
- Mode Button: Cycles through preset inflation modes (Car, Motorcycle, Bicycle, Ball) and custom mode. Long press to switch pressure units (PSI, BAR, KPA, KG/CM²).
- '+' / '-' Buttons: Adjust the preset target pressure.
- LED/SOS Button: Controls the integrated LED light, cycling through illumination, strobe, and distress (SOS) modes.
- Inflation Hose Port: Connection point for the air hose.
- USB-C Charging Port: For charging the inflator's internal battery.
- USB-A Output Port: Functions as a power bank for charging external devices.
- Safety Hammer: Located at one end of the device, for emergency use.
5. Setup
5.1 Initial Charging
Before first use, fully charge the SERVOMASTER SM10. Connect the provided Type-C charging cable to the inflator's USB-C port and plug the other end into a compatible USB power adapter (not included) or a 12V car power adapter. The battery indicator on the digital display will show charging progress. A full charge typically takes 3-4 hours.
5.2 Attaching the Air Hose
Screw the air hose securely onto the inflation hose port of the inflator. Ensure it is hand-tight to prevent air leakage.
6. Operating Instructions
6.1 Powering On and Off
- To Power On: Long press the Power Button (usually the center button) to activate the device. The digital display will light up.
- To Power Off: Long press the Power Button again, or the device will automatically power off after a period of inactivity.
6.2 Selecting Pressure Units
After powering on, long press the Mode Button to cycle through the available pressure units: PSI, BAR, KPA, and KG/CM². Select your preferred unit.
6.3 Choosing Inflation Mode and Setting Target Pressure
Press the Mode Button (short press) to cycle through the preset inflation modes:
- Car Mode: For automobile tires.
- Motorcycle Mode: For motorcycle tires.
- Bicycle Mode: For bicycle tires.
- Ball Mode: For sports balls.
- Custom Mode: Allows manual setting of any pressure up to 150 PSI.
Once a mode is selected, the preset pressure will be displayed. Use the '+' and '-' buttons to adjust the target pressure to your desired value. The device supports an accuracy of ±1 PSI.

Figure 6.1: The inflator's versatility across various items, including car, motorcycle, bicycle, and ball inflation.
6.4 Connecting to the Item and Starting Inflation
- Select the appropriate nozzle adapter for your item (e.g., Presta to Schrader for some bike tires, ball needle for sports balls).
- Attach the chosen adapter to the air hose, then securely connect it to the valve of the item you wish to inflate.
- The digital display will show the current real-time pressure of the item.
- Press the Power Button to begin inflation. The inflator will automatically stop once the preset target pressure is reached.

Figure 6.2: The inflator in action, demonstrating its cordless and fast inflation feature for vehicle tires.
6.5 Using the LED Light
Press the LED/SOS Button to cycle through the three lighting modes:
- Illumination: Provides steady light for visibility in low-light conditions.
- Strobe: Flashing light for signaling or attracting attention.
- Distress (SOS): Flashes the international SOS signal for emergencies.
6.6 Emergency Power Bank Function
The inflator features a 5V/2A USB output port. Connect your electronic devices (e.g., smartphone, tablet) to this port using a compatible USB cable to use the inflator as an emergency power source.
6.7 Safety Hammer Function
In emergency situations, the integrated safety hammer can be used as a window breaker. This feature is intended for critical situations only.

Figure 6.3: The inflator's additional features: three lighting modes, emergency charging capability, and the safety hammer for critical situations.
7. Maintenance
- Cleaning: Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or immerse the device in water.
- Storage: Store the inflator and its accessories in the provided storage bag in a cool, dry place, away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, charge the device at least once every three months if not used regularly.
- Hose and Nozzles: Inspect the air hose and nozzles regularly for any signs of wear or damage. Replace if necessary.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Inflator does not turn on. | Low battery or no power. | Charge the inflator using the Type-C cable or 12V car adapter. |
| Inflator does not start inflation. | Power button not pressed, or hose not connected properly. | Ensure the device is powered on and the air hose is securely attached to both the inflator and the item's valve. Press the Power Button to start. |
| Air leakage during inflation. | Loose connection or damaged hose/nozzle. | Tighten all connections. Inspect the hose and nozzles for damage and replace if necessary. |
| Inflator stops before reaching target pressure. | Battery low or device overheated. | Recharge the battery. If overheated, allow the device to cool down for 10-15 minutes before resuming operation. |
| Inaccurate pressure reading. | Incorrect pressure unit selected. | Long press the Mode Button to switch to the correct pressure unit. |
9. Specifications
| Feature | Specification |
|---|---|
| Model Name | SM10 Tire Inflator |
| Brand | SERVOMASTER |
| Maximum Operating Pressure | 150 PSI |
| Power Source | Battery Powered (Rechargeable) |
| Voltage | 12 Volts (DC) |
| Pressure Accuracy | ±1 PSI |
| Units of Measurement | PSI, BAR, KPA, KG/CM² |
| Special Features | Portable, Cordless, Fast Inflate, Auto Shut-off, LED Light (Illumination, Strobe, SOS), Emergency Power Bank, Safety Hammer |
| Item Weight | 1.78 pounds |
| Package Dimensions | 6.69 x 4.37 x 4.17 inches |
| UPC | 797417328864 |
10. Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase documentation or visit the official SERVOMASTER website. Keep your purchase receipt as proof of purchase for any warranty claims.




