1. Product Overview
The SERVOMASTER VC-029 is a versatile and portable rapid tire inflator designed for various inflation needs, including car tires, bicycle tires, motorcycle tires, sports balls, and swimming rings. It features a compact design, digital display for accurate pressure readings, an integrated LED light, and an auto-stop function for precise inflation. This device is powered by a rechargeable lithium battery and can also be powered via a 12V DC supply (if applicable, based on accessories).

Figure 1: SERVOMASTER VC-029 Portable Tyre Inflator
2. Package Contents
Please check the package to ensure all items are present:
- 1 x Tyre Inflator (Model: VC-029)
- 1 x Connecting Air Hose
- 1 x Atmospheric Nozzle
- 1 x Small-Diameter Mouthpiece
- 1 x French Adapter
- 1 x Ball Pin
- 1 x Type-C Charging Cable
- 1 x User Manual
3. Setup
3.1 Initial Charging
Before first use, fully charge the device using the provided Type-C charging cable. Connect the cable to the Type-C port on the inflator and plug the other end into a compatible USB power adapter (not included). The digital display will indicate the charging status.
Video 1: Product demonstration showing various inflation scenarios and charging.
3.2 Attaching Nozzles
Select the appropriate nozzle for the item you wish to inflate. Screw the connecting air hose onto the inflator's air outlet. Attach the chosen nozzle to the other end of the air hose.

Figure 2: The inflator comes with various nozzles for different applications.
4. Operating Instructions
4.1 Power On/Off
Press and hold the power button (U) to turn the inflator on or off.
4.2 Mode Selection and Pressure Unit
After powering on, the digital display will show the current pressure. Press the 'M' button to cycle through different inflation modes (e.g., Car, Bike, Motorcycle, Ball). Each mode may have a default pressure setting. Press the 'R' button to change the pressure unit (e.g., PSI, Bar, Kpa, Kg/cm²).
4.3 Setting Target Pressure
Use the '+' and '-' buttons to adjust the desired target pressure. The display will show the set pressure. The inflation range is 5-150 PSI.

Figure 3: Digital display and controls for setting target pressure and selecting modes.
4.4 Inflation Process
- Connect the air hose with the appropriate nozzle to the item you want to inflate.
- Ensure the inflator is powered on and the target pressure is set.
- Press the power button (U) to start inflation. The inflator will automatically stop once the target pressure is reached.
- Disconnect the air hose from the item and then from the inflator.
4.5 LED Light Function
Press the 'SOS' button once to turn on the LED light for illumination in dark environments. Press it again to cycle through different light modes (e.g., steady light, flashing, SOS signal). Press and hold to turn off the LED light.
5. Maintenance
- Cleaning: Wipe the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the inflator in a cool, dry place away from direct sunlight and extreme temperatures. Keep it out of reach of children.
- Battery Care: To prolong battery life, charge the device regularly, even if not in frequent use. Avoid completely draining the battery before recharging.
6. Troubleshooting
- Device not turning on: Ensure the battery is charged. Connect to the Type-C charging cable and try again.
- Inflator not starting: Check if the air hose is securely connected to both the inflator and the item. Verify that a target pressure has been set.
- Inaccurate pressure reading: Ensure the nozzle is properly sealed to the valve. If the issue persists, recalibrate by turning the device off and on.
- Slow inflation: Check for any blockages in the air hose or nozzle. Ensure the battery is sufficiently charged.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | VC-029 |
| Power Supply | USB Powered |
| Battery Type | Rechargeable Lithium Battery |
| Battery Capacity | 1500mAh |
| Inflation Pressure Range | 5-150 PSI |
| Dimensions (L x W x H) | 17.56 cm (6.911 in) x 7.89 cm (3.11 in) x 5.61 cm (2.21 in) |
| Weight | 0.608 kg |
| Origin | Mainland China |

Figure 4: Device dimensions for portability.
8. User Tips
- Always check the recommended pressure for the item you are inflating to avoid over-inflation or under-inflation.
- For optimal performance, ensure the device is fully charged before extended use.
- Keep the air hose and nozzles clean and free from debris to maintain efficient airflow.
- When inflating, ensure a tight seal between the nozzle and the valve to prevent air leakage and ensure accurate readings.
9. Warranty & Support
For any inquiries, technical support, or warranty claims, please contact the SERVOMASTER Store directly through your purchase platform. Keep your purchase receipt as proof of purchase.





