1. Safety Instructions
Always observe basic safety precautions when using electric tools to reduce the risk of fire, electric shock, and personal injury. Read all instructions before operating this tool.
- Work Area Safety: Keep your work area clean and well-lit. Cluttered or dark areas invite accidents. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Electrical Safety: Avoid body contact with earthed or grounded surfaces such as pipes, radiators, ranges, and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.
- Personal Safety: Always wear eye protection. Use respiratory protection if working with materials that produce dust or fumes. Dress properly; avoid loose clothing or jewelry. Keep hair, clothing, and gloves away from moving parts.
- Tool Use and Care: Do not force the tool. Use the correct tool for your application. Disconnect the battery pack from the tool before making any adjustments, changing accessories, or storing power tools.
- Battery Pack Use and Care: Recharge only with the charger specified by the manufacturer. Use power tools only with specifically designated battery packs. When battery pack is not in use, keep it away from other metal objects.
- Service: Have your power tool serviced by a qualified repair person using only identical replacement parts. This will ensure that the safety of the power tool is maintained.
2. Product Overview
The STIER Cordless Cartridge Gun Basic+ 3800 N is a powerful and versatile tool designed for applying sealants and adhesives. It offers a high extrusion force and is compatible with various cartridge and sausage pack sizes, making it suitable for a wide range of applications.
Image: The STIER Cordless Cartridge Gun, showing its main body and the extended tube for sealant application.
Key Features:
- High extrusion force of up to 3800 N (850 lb) for efficient application of various materials.
- Versatile design suitable for both standard cartridges and flexible sausage packs.
- Accommodates common packaging sizes: 310 ml, 400 ml, and 600 ml.
- Includes comprehensive accessories for immediate use.
Components Included:
The package typically includes the following items:
- STIER Cordless Cartridge Gun 3800N
- 2 x 12 V/1.5 Ah Battery Packs
- Battery Charger
- 400 ml Tube (for sausage packs)
- Carrying Case
Image: The STIER Cordless Cartridge Gun kit, including the gun, batteries, charger, and tube, stored in its protective carrying case.
3. Setup
3.1 Charging the Battery
Before first use, fully charge the battery packs. Ensure the charger is connected to a suitable power outlet.
- Connect the charger to a power source.
- Slide the battery pack into the charger until it clicks into place.
- Observe the indicator lights on the charger. A solid green light typically indicates a full charge.
- Once charged, remove the battery pack from the charger.
Image: The 12V battery pack and its dedicated charger, illustrating the components used for power.
3.2 Loading a Cartridge or Sausage Pack
The STIER Cordless Cartridge Gun supports both standard cartridges and flexible sausage packs. The method of loading differs slightly.
For Cartridges:
- Ensure the gun is switched off and the battery is removed.
- Press the release lever (if present) and pull the plunger rod back completely.
- Insert the cartridge into the barrel of the gun, nozzle first.
- Cut the tip of the cartridge nozzle at the desired bead size and attach the appropriate applicator tip if necessary.
- Push the plunger rod forward until it makes contact with the back of the cartridge.
For Sausage Packs (using the 400 ml tube):
- Ensure the gun is switched off and the battery is removed.
- Unscrew the front cap and remove the plunger from the 400 ml tube.
- Insert the sausage pack into the tube. Cut off the end of the sausage pack.
- Reinsert the plunger and screw the front cap back onto the tube.
- Attach the loaded tube to the gun.
4. Operating Instructions
Once the battery is charged and the material is loaded, the gun is ready for operation.
4.1 Attaching the Battery
- Align the charged battery pack with the battery slot on the bottom of the gun handle.
- Slide the battery pack into the slot until it clicks securely into place.
Image: Detail of the gun's handle, highlighting the trigger mechanism and the area where the battery connects.
4.2 Adjusting Speed/Extrusion Force
The STIER Cordless Cartridge Gun features adjustable speed settings to control the flow rate of the material. Locate the speed adjustment dial, usually near the handle or motor housing. Rotate the dial to select the desired speed. Start with a lower setting and increase as needed for optimal control and material flow.
4.3 Applying Material
- Position the nozzle of the gun at the starting point of your application.
- Press the trigger to begin dispensing material. The amount of pressure applied to the trigger may also influence the flow rate.
- Move the gun steadily along the joint or surface to create an even bead.
- Release the trigger to stop the flow. The gun features an automatic drip-stop function to prevent excess material from flowing out.
5. Maintenance
Regular maintenance ensures the longevity and optimal performance of your STIER Cordless Cartridge Gun.
5.1 Cleaning
- After each use, remove the cartridge or sausage pack.
- Clean any excess sealant or adhesive from the nozzle, plunger rod, and barrel using a suitable solvent or cleaner recommended by the sealant manufacturer.
- Wipe down the exterior of the gun with a clean, damp cloth. Do not use harsh chemicals or abrasive cleaners.
5.2 Storage
- Store the gun in its carrying case in a dry, cool place, away from direct sunlight and moisture.
- Remove the battery pack from the gun before storing for extended periods.
- Store battery packs in a charged state to prolong their lifespan.
Image: The closed carrying case, providing secure storage and transport for the STIER Cordless Cartridge Gun and its accessories.
6. Troubleshooting
This section addresses common issues you might encounter with your cordless cartridge gun.
| Problem | Possible Cause | Solution |
|---|---|---|
| Gun does not operate. | Battery not charged or improperly inserted. | Ensure battery is fully charged and correctly seated in the gun. |
| No material dispensed. | Cartridge/sausage pack empty, nozzle blocked, or plunger not engaged. | Replace material, clear nozzle, or ensure plunger rod is pushed against the material. |
| Material flow is inconsistent. | Incorrect speed setting, air bubbles in material, or material too cold/thick. | Adjust speed, tap cartridge to remove air, or warm material to room temperature. |
| Excessive dripping after trigger release. | Drip-stop mechanism malfunction or material too fluid. | Ensure gun is clean. For very fluid materials, release trigger slightly before reaching the end of the bead. |
7. Specifications
Technical data for the STIER Cordless Cartridge Gun Basic+ 3800 N (Model 903090).
| Feature | Detail |
|---|---|
| Brand | STIER |
| Model Number | 903090 |
| Extrusion Force | Max. 3800 N / 850 lb |
| Power Source | Battery (Cordless) |
| Voltage | 12 V |
| Battery Capacity | 1.5 Ah |
| Compatible Cartridge/Sausage Sizes | 310 ml, 400 ml, 600 ml |
| Package Dimensions | 58 x 33 x 15 cm |
| Weight (approx.) | 4.5 kg (including package) |
8. Warranty & Support
STIER products are manufactured to high-quality standards. For specific warranty information, please refer to the warranty card included with your product or visit the official STIER website.
For technical support, spare parts, or service inquiries, please contact your local STIER dealer or the customer service department. You can often find contact information on the STIER brand store page:
