Master Mfg SSO-01-025D-MM
25-Gallon Deluxe UTV & ATV Spot Sprayer Instruction Manual
Model: SSO-01-025D-MM | Brand: Master Mfg
Introduction
Thank you for choosing the Master Mfg 25-Gallon Deluxe UTV & ATV Spot Sprayer. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new sprayer. Please read this manual thoroughly before assembly or operation.
Important Safety Information
WARNING: This product may require safety warnings such as: 'Keep out of reach of children.', 'Use only with appropriate protective equipment.', 'Do not ingest or allow contact with skin or eyes.', 'Dispose of properly in accordance with local regulations.' Always follow all chemical manufacturer's instructions and safety precautions when using this sprayer.
- Always wear appropriate personal protective equipment (PPE) when handling chemicals and operating the sprayer.
- Ensure the sprayer is securely mounted to your UTV or ATV before operation to prevent tipping or shifting.
- Do not spray flammable liquids.
- Keep children and pets away from the spraying area.
- Disconnect power to the pump before performing any maintenance or cleaning.
Product Overview
The Master Mfg 25-Gallon Deluxe Spot Sprayer is designed for efficient application of various liquids in agricultural, lawn, and garden settings. Its robust design and powerful pump ensure reliable performance.
Key Features:
- 25-Gallon UV resistant tank for durability and chemical compatibility.
- Powerful Everflo 2.2 GPM 12V on-demand diaphragm pump (EF2200-QA).
- Deluxe adjustable spray gun (SG-2218-18) capable of spraying up to 25 feet vertically and 30 feet horizontally.
- Integrated hose strap (HOSE-STRAP-CSK) for organized hose storage.
- Quick-grip handles for easy mounting and removal from vehicles.
- Easy-to-maintain quick attach inline strainer to prevent debris.
- Molded-in drain port for convenient fluid drainage.
- 12V wire harness with alligator clamp connection for direct battery hookup.
Components:

Figure 1: Complete 25-Gallon Deluxe Spot Sprayer unit, showing the tank, pump, hose, and spray gun.

Figure 2: Side view of the sprayer, highlighting the molded-in drain port for easy emptying.

Figure 3: Detailed view of the Everflo 2.2 GPM 12V pump and the quick-attach inline strainer.

Figure 4: The integrated hose strap and the convenient storage position for the spray gun.

Figure 5: The large, easy-to-open tank lid for convenient filling and cleaning.
Setup
- Unpacking: Carefully remove all components from the packaging. Verify all parts are present according to the packing list.
- Mounting: Securely mount the sprayer tank to your UTV, ATV, or other transport vehicle. Use appropriate straps or mounting hardware (not included) to prevent movement during operation. The quick-grip handles on the tank facilitate easy placement.
- Hose Connection: Connect the spray gun hose to the pump outlet. Ensure all connections are tight to prevent leaks. Utilize the hose strap for organized storage when not in use.
- Power Connection: Connect the 12V wire harness to a compatible 12V battery. The alligator clamps provide a secure connection. Ensure correct polarity (red to positive, black to negative).
- Filling the Tank: Open the large tank lid. Fill the tank with the desired liquid, ensuring not to exceed the 25-gallon capacity. Close the lid securely.
Operating Instructions
Spot Spraying:
- Ensure the sprayer is properly set up and filled.
- Turn on the pump using the integrated switch (if present) or by connecting the power. The pump will build pressure.
- Un-holster the deluxe spray gun (SG-2218-18).
- Adjust the heavy-duty brass nozzle to achieve the desired spray pattern, from a steady stream for long-distance reach (up to 25 feet vertically, 30 feet horizontally) to a wide mist for broader coverage.
- Press the trigger to begin spraying. For longer jobs, utilize the trigger lock feature to reduce hand fatigue.
- When finished, release the trigger and turn off the pump.

Figure 6: Demonstrates spot spraying from an ATV, targeting specific areas.

Figure 7: Shows the sprayer in action with a wider spray pattern, suitable for broader coverage.
Broadcast Spraying (Optional):
This spot sprayer can be converted to a broadcast sprayer. This requires purchasing an ideal Mounting Kit and Broadcast Boom/Boomless Kits based on application needs. These kits are sold separately. Refer to the instructions provided with the broadcast kit for installation and operation.
Maintenance
- After Each Use:
- Drain any remaining fluid from the tank using the molded-in drain port.
- Rinse the tank thoroughly with clean water.
- Run clean water through the pump and spray gun to flush out any chemical residue.
- Clean the quick-attach inline strainer to prevent clogs.
- Storage: Store the sprayer in a dry, protected area, away from direct sunlight and freezing temperatures.
- Pump Care: The Everflo diaphragm pump is designed for durability. If performance issues arise, consult the pump's specific troubleshooting guide or contact Master Mfg support.
- Spray Gun: The deluxe spray gun is field repairable. Refer to the spray gun's specific instructions for maintenance or repair.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump not running | No power, loose connection, faulty switch/pump | Check battery connection, ensure switch is ON, inspect wiring for damage, test pump directly if possible. |
| Low spray pressure | Clogged nozzle, clogged strainer, low fluid level, air leak in suction line | Clean nozzle, clean strainer, refill tank, check all hose connections for tightness. |
| Pump cycles on/off frequently | Air in system, restricted flow, pressure switch issue | Bleed air from system, check for kinks in hose, ensure spray gun nozzle is open enough. |
| Leaking connections | Loose fittings, damaged O-rings/seals | Tighten all fittings, inspect and replace any damaged O-rings or seals. |
Specifications
| Attribute | Detail |
|---|---|
| Brand | Master Mfg |
| Model Name | SSO-01-025D-MM |
| Tank Volume | 25 Gallons |
| Pump Type | Everflo 2.2GPM 12V Diaphragm Pump (EF2200-QA) |
| Max Pressure | 70 PSI |
| Hose Length | 180 Inches (15 feet) |
| Spray Gun Reach | Up to 25 feet vertical, 30 feet horizontal |
| Material | UV resistant tank, Brass nozzle |
| Power Source | Battery Powered (12V) |
| Product Dimensions | 19"W x 19"H |
| Item Weight | 24.8 pounds |
| UPC | 814485010832 |
Warranty and Support
The Master Mfg 25-Gallon Deluxe UTV & ATV Spot Sprayer comes with a two-year warranty on the pump and components. For warranty claims, technical support, or replacement parts, please contact Master Manufacturing directly.
Manufacturer: Master Manufacturing
Refer to the product packaging or the official Master Mfg website for the most current contact information and detailed warranty terms.
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