1. Safety Information
Read and understand all instructions before operating the sprayer. Failure to follow these instructions may result in electric shock, fire, and/or serious injury.
- Personal Protective Equipment: Always wear appropriate personal protective equipment, including eye protection, gloves, and protective clothing, when operating the sprayer.
- Liquid Compatibility: Do not use hot, self-heating, strong caustic, or corrosive liquids in the sprayer. Ensure the liquid being sprayed is compatible with the sprayer's materials.
- Flammable Liquids: Never use flammable liquids in the sprayer.
- Electrical Safety: Do not immerse the sprayer's electrical components or battery in water. Keep the battery and charger dry.
- Maintenance: Clean the sprayer thoroughly after each use, especially when switching between different chemicals. Do not dismantle or modify the sprayer without professional guidance.
- Children and Pets: Keep children and pets away from the sprayer during operation and storage.
- Secure Connections: Ensure all hoses and connections are securely fastened before operation to prevent leaks.
Image: VAXMAY backpack sprayer displaying safety warnings on its side panel.
2. Package Contents
Verify that all items are present in the package:
- 1 x Backpack Sprayer Unit
- 1 x Telescopic Wand
- 1 x Hose
- 1 x 2.5Ah 21V Battery
- 1 x Battery Charger
- 5 x Assorted Nozzles (Windproof, F-Type Dual, Fan, Stream, Single Head)
3. Product Features
- Battery Compatibility: Designed to be compatible with Makita 18V Lithium-ion batteries. Includes a 2.5Ah 21V battery and charger for immediate use.
- Extended Operation: Provides up to 4 hours of continuous operation on a single charge, capable of spraying approximately 18 tanks of solution. Features a digital voltage display to monitor battery level.
- Adjustable Pressure: Equipped with an adjustable PSI knob, allowing pressure customization from 0 to 100 PSI for various spraying needs.
- Versatile Nozzles: Comes with 5 different nozzles to achieve various spray patterns, from fine mist to powerful stream.
- User-Friendly Design: Features a wide tank inlet with a filter screen for easy filling and to prevent debris. Includes a comfortable handle and a trigger lock for continuous spraying without fatigue.
- Comfortable Wear: Adjustable backpack straps and a padded back foam cushion enhance comfort and reduce shoulder pressure during prolonged use.
Image: Overview of the VAXMAY sprayer's user-friendly features, including wide opening, backpack straps, battery compartment, variable PSI adjuster, and spray trigger lock.
Image: Visual representation of the sprayer's 4-hour working time, 18-tank capacity, and compatibility with Makita 18V batteries.
4. Setup
4.1. Battery Installation and Charging
- Open the battery compartment cover located on the back of the sprayer.
- Insert the provided 2.5Ah 21V battery into the slot, ensuring it clicks into place.
- Close the battery compartment cover securely.
- Before first use, fully charge the battery using the included charger. The digital voltage display will indicate the charge level.
Image: Step-by-step guide showing how to open the battery cover, install the 21V battery, and close the box, with a view of the digital voltmeter.
4.2. Wand and Hose Assembly
- Connect one end of the hose to the sprayer's outlet port.
- Connect the other end of the hose to the telescopic wand's handle.
- Ensure all connections are tightened to prevent leaks.
4.3. Filling the Tank
- Unscrew the tank cap and remove the filter screen.
- Pour the desired liquid into the 4-gallon tank, ensuring it does not exceed the maximum fill line.
- Replace the filter screen and securely screw the tank cap back on.
Image: Detailed view of the sprayer's wide opening and integrated filter screen for easy and clean filling.
5. Operating Instructions
5.1. Powering On and Adjusting Pressure
- Place the backpack sprayer comfortably on your back, adjusting the straps for a secure fit.
- Turn on the main power switch located on the control panel.
- Rotate the PSI adjuster knob to set the desired spray intensity. The digital voltmeter will display the current voltage.
Image: A user adjusting the PSI knob on the sprayer's control panel, demonstrating variable pressure control.
5.2. Selecting Nozzles and Spraying
- Choose the appropriate nozzle for your application and attach it to the end of the telescopic wand.
- Press the trigger on the wand handle to begin spraying.
- For continuous spraying, engage the trigger lock mechanism on the handle.
- Direct the spray towards the target area, maintaining a consistent distance for even coverage.
Image: Display of the five different nozzle types: Windproof, F-Type Dual, Fan, Stream, and Single Head, illustrating their unique spray patterns.
Image: Close-up demonstrating the trigger-lock feature on the spray wand, designed to save effort during extended use.
5.3. Official Product Video
Video: An official product video demonstrating the VAXMAY 4-Gallon Battery Powered Backpack Sprayer in various garden applications, showcasing its features and ease of use.
6. Maintenance
6.1. Cleaning After Use
- After each use, especially with chemicals, empty any remaining liquid from the tank.
- Rinse the tank thoroughly with clean water.
- Fill the tank with clean water and spray it through the wand and nozzle to flush out any residue.
- Clean the filter screen regularly to prevent clogging.
6.2. Battery Care
- Store the battery in a cool, dry place away from direct sunlight.
- Do not store the battery completely discharged for extended periods. Charge it periodically.
- Use only the provided charger or a compatible Makita 18V charger.
6.3. Storage
- Store the sprayer in a dry, protected area, away from extreme temperatures.
- Ensure the tank is empty and clean before storage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No spray or weak spray | Clogged nozzle or filter; low battery; pump issue. | Clean nozzle and filter. Charge battery. Check pump connections. |
| Liquid leakage | Loose connections; damaged hose or seals; faulty tank cap. | Tighten all connections. Inspect hose and seals for damage and replace if necessary. Ensure tank cap is properly seated and not cross-threaded. (Note: Some users have reported issues with loose connections and leaking from the handle/base, as seen in review videos.) |
| Sprayer not turning on | Battery not installed correctly; discharged battery; faulty power switch. | Reinstall battery. Charge battery. Contact customer support if switch is faulty. |
| Straps or components breaking | Overloading; material defect. | Avoid exceeding the 4-gallon capacity. Contact customer support for replacement parts if due to defect. (Note: Some users have reported issues with strap durability, especially when the tank is full.) |
8. Specifications
| Feature | Specification |
|---|---|
| Brand | VAXMAY |
| Model Name | HY-16L |
| Tank Volume | 4 Gallons (16 Liters) |
| Power Source | Battery Powered (Compatible with Makita 18V, includes 2.5Ah 21V battery) |
| Maximum Pressure | 100 PSI (Adjustable) |
| Hose Length | 1.8 Meters |
| Item Dimensions (W x H) | 12"W x 20"H |
| Material | Plastic |
| Recommended Uses | Garden spraying, Pest Control, Sanitizing, Vehicle Washing, Weed Control |
Image: Product dimensions of the VAXMAY sprayer, including the main unit (21.65 inches high, 10.63 inches wide) and the telescopic wand (up to 40.16 inches long).
9. Warranty and Support
The VAXMAY HY-16L Backpack Sprayer comes with a 12-month warranty. For any questions, technical assistance, or warranty claims, please contact VAXMAY customer service. They offer 24/7 online support to assist you.
For further assistance, please refer to the contact information provided with your product packaging or visit the official VAXMAY website.
