Setup: Tolsen Electric Solenoid Spray Gun JS-SN13B Instruction Manual

Content

Overview

The Electric Solenoid Spray Gun JS-SN13B is a compact electric paint spray gun designed for low-viscosity finishing jobs around the home, workshop, or small job site. It is suited to users who want a faster, more even coating application than brushing, especially for water-based or oil-based paints, stains, and varnishes.

This model is built for careful surface finishing rather than heavy-bodied coatings. With the right thinning and spray technique, the Electric Solenoid Spray Gun JS-SN13B can help produce a smoother finish on furniture, panels, trim, and similar surfaces.

Specifications

Model: JS-SN13B
Electrical rating: 220-240V~, 50Hz, 110W
Cup capacity: 800ml
Maximum flow: 300ml/min
Maximum viscosity: 60din/sec
Nozzle size: Φ0.8mm

Detailed description

The Electric Solenoid Spray Gun JS-SN13B uses an electric motor and pump system to draw material from the paint container and spray it through a small nozzle. The output control helps regulate material flow, while the trigger switch starts and stops spraying. A spray basket nozzle and suction tube work together to move the coating from the cup to the spray tip.

Key parts include the motor housing, output control, trigger switch, handle, paint container, spray basket nozzle, viscosity cup, and nozzle wrench. The compact layout is meant to keep the gun easy to hold while still allowing adjustable spray output for different materials and workpieces.

Safety

Use the spray gun only in a clean, well-lit work area, and keep bystanders away during operation. Do not use it around flammable liquids, gases, dust, or any other explosive atmosphere.

Follow standard electrical safety practices: use the correct outlet, avoid damaged cords, keep the tool away from rain and wet conditions, and use an outdoor-rated extension cord if needed. If operation in a damp location cannot be avoided, power the tool through a GFCI-protected supply.

Wear eye protection, heavy-duty gloves, and a NIOSH-approved respirator during use. Keep loose clothing, jewelry, and long hair away from moving parts, and do not overreach while spraying.

Never spray flammable liquids, pesticides, acids, corrosive materials, fertilizers, or toxic chemicals. Do not point the gun at people, animals, or any part of the body. If skin injection or chemical contact occurs, get medical help right away.

Clean the spray gun immediately after every use. Latex paint can harden quickly inside the gun and cause a permanent clog. The Electric Solenoid Spray Gun JS-SN13B should also be stored indoors and kept out of reach of children.

Setup and operation

Before first use

Unplug the spray gun, remove the container, fill it with warm soapy water, and reinstall it. Attach the nozzle with the included wrench, plug the unit in, and spray the soapy water into a bucket while shaking the gun. Repeat with plain warm water, then unplug the tool, remove the container and suction tube, dry all parts thoroughly, apply a few drops of spray gun lubricant, and reassemble the gun.

Material preparation

Only water-based or oil-based low-viscosity paints, stains, and varnishes are suitable. Strain the material through a paint strainer or cheesecloth before filling the container.

Check viscosity with the supplied cup before spraying. The manual’s target times are 20 to 25 seconds for water-based paint, 18 to 22 seconds for varnish, 24 to 28 seconds for oil-based paint, 28 to 35 seconds for enamel paint, and no thinning required for primer, wood sealer, and wood stain.

If the material is too thick, thin it according to the coating manufacturer’s instructions and mix thoroughly. Fill the container about three-quarters full, reinstall it, and fit the correct nozzle securely with the wrench. For ceiling work, attach the flexible extension first.

Spraying technique

When the cup is first filled, the gun may take up to 30 seconds to prime after the trigger is held. Hold the gun upright and square to the workpiece, keep both hands steady, and spray from about 10 to 12 inches away depending on material flow and paint type.

Start moving the gun before pulling the trigger, move in smooth parallel strokes, and release the trigger before stopping your motion. This helps prevent drips and heavy buildup. Use your arm rather than only your wrist to maintain even coverage, and apply two thin coats instead of one heavy coat.

Keep the container filled during use so the pump does not draw air. After spraying, release the trigger, unplug the tool, safely discharge any remaining pressure, and release the trigger again.

Cleaning and maintenance

After every use, clean the spray gun right away. Unplug the unit, remove the container, empty any remaining material, and clean the container and suction tube with the solvent recommended by the coating manufacturer.

Refill the container with solvent, reinstall it, and spray the solvent through the gun into a waste container while shaking the unit. Repeat until the solvent comes out clean. Remove the nozzle and soak it in solvent, then use the cleaning probe to remove leftover material and rinse with warm water.

If switching from oil-based to water-based material, repeat the cleaning process with warm soapy water after solvent cleaning. Once all parts are clean, unplug the gun, remove the container and suction tube, rinse with warm water, dry everything thoroughly, and apply spray gun lubricant as directed before reassembly.

Do not immerse the spray gun body in water, solvent, or any liquid. Do not use chlorinated solvents for cleaning, and keep cleaning work away from ignition sources in a vapor-free area. Dispose of spent solvent according to local hazardous waste rules and the solvent maker’s guidance.

For nozzle assembly cleaning, loosen the nozzle guard, remove the nozzle, soak the parts, remove residue with the probe if needed, rinse, dry, lubricate the holes, and reassemble with the lubrication holes aligned correctly. The piston, spring, and cylinder are one piece and should not be disassembled.

Before each use, inspect the tool for loose screws, binding parts, clogged nozzles, cracks, and any condition that could affect safe operation. Store the Electric Solenoid Spray Gun JS-SN13B in a dry, secure place out of children’s reach.

Troubleshooting

If the gun sputters or will not spray, the nozzle may be dirty or worn. Clean the nozzle first, and replace it if damage remains.

If the spray tip leaks, the nozzle may need cleaning or replacement.

If overspray is drifting to unintended areas, check the paint level, keep the cup upright, tighten the cup and lid, and clean the check valve if it is clogged. Also slow your movement, adjust your distance from the surface, and reduce airflow if needed.

If the tool does not spray, check the power cord, thin the fluid, tighten the cup and lid, and clean the check valve.

Pros & Cons

Pros: Good for low-viscosity coatings, simple output control, 800ml capacity, and a compact nozzle system for smooth finishing work.
Pros: Includes the main setup tools needed for viscosity checking, nozzle changes, and cleaning.
Cons: Requires careful thinning and frequent cleaning to avoid clogging.
Cons: Not suitable for flammable, corrosive, or hazardous materials, and not designed for thick coatings.

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Faqs

How do I prepare the Electric Solenoid Spray Gun JS-SN13B before first use?

Before first use, make sure the spray gun is unplugged, then assemble the container, suction tube, and nozzle securely. The manual recommends pre-flushing the unit with warm soapy water first, followed by plain warm water, so any manufacturing residue or storage material is removed. Keep the spray gun body out of liquid, and dry all parts completely before adding paint. This helps reduce clogging and makes the first spray more consistent.

What paint types work best with the JS-SN13B solenoid spray gun?

The JS-SN13B is designed for low-viscosity water-based or oil-based coatings, including paints, stains, varnishes, and similar materials. It is not intended for flammable liquids or hazardous chemicals such as pesticides, acids, corrosive materials, or toxic substances. For best results, the material should be properly thinned and strained before spraying. If the coating is too thick, the gun may sputter, clog, or fail to spray evenly.

How do I check and adjust paint viscosity for better spray results?

The manual recommends using the included viscosity cup to test how easily the material flows. Fully submerge the cup, lift it out, and time how long it takes to empty. Compare that result with the suggested range for your material type, then thin gradually if needed and mix thoroughly. Testing on scrap material before starting the project is a smart way to confirm the spray pattern and reduce waste.

Why does the JS-SN13B take a while to start spraying after I pull the trigger?

When the container is first filled, the spray gun may take up to about 30 seconds to prime before material begins to flow. That is normal. Keep the gun upright, hold the trigger steadily, and allow the system to pull material through the nozzle. If it still does not spray after priming, check for a clogged nozzle, thick material, a loose cup, or a problem with the power connection.

What is the correct spraying technique for getting a smooth finish with the JS-SN13B?

Keep the spray gun upright and hold it at a right angle to the surface. Use two hands for control, start moving before pulling the trigger, and release the trigger before stopping your motion. Maintain a steady distance of about 10 to 12 inches and move in parallel strokes using your arm, not just your wrist. Thin coats work better than one heavy coat and help prevent runs, drips, and uneven coverage.

How do I clean the JS-SN13B after every use to prevent clogging?

Cleaning immediately after use is essential because delayed cleaning can permanently clog the spray gun, especially with latex paint. Unplug the unit, remove the container, and flush the system with the correct solvent or warm soapy water if switching to water-based material. Spray cleaning fluid through the gun until it comes out clear, then clean the nozzle, suction tube, and container. Dry every part fully before reassembly.

What should I do if the spray gun starts sputtering or spraying unevenly?

Sputtering usually points to a dirty nozzle, worn nozzle, low paint level, or a clogged check valve. First, confirm the container is filled enough and held upright. Then clean the nozzle and check valve, and make sure the cup and lid are tightened properly. If the material is too thick, thin it according to the coating instructions. Uneven flow often improves once the blockage is cleared and viscosity is corrected.

What safety precautions matter most when using the Electric Solenoid Spray Gun JS-SN13B?

Wear eye protection, heavy-duty gloves, and a suitable respirator, and keep children and bystanders away from the work area. Never spray at people, animals, or your own body, and do not use the tool in wet conditions or around flammable vapors. Unplug it before adjustments, cleaning, or storage. The manual also warns against chlorinated solvents for cleaning and advises storing the spray gun indoors in a dry, secure place.