1. Introdución
The TaskStar T21P Cordless Fuel Transfer Pump is a portable, battery-powered electric pump designed for efficient and safe transfer of diesel, kerosene, and biodiesel. Featuring a 12 gallons per minute (GPM) flow rate, an 18V 4.0Ah rechargeable battery, and an auto-off nozzle, this pump provides convenience and reliability for various applications, including fueling vehicles, agricultural machinery, and marine equipment.

Figure 1: TaskStar T21P Cordless Fuel Transfer Pump
2. Información de seguridade
- AVISO: This pump is exclusively for diesel, kerosene, and biodiesel. DO NOT transfer gasoline, water, or alcohol. Transferring unsuitable liquids can cause damage to the pump and create hazardous conditions.
- Always ensure the battery is well charged before use.
- Read the entire user manual before operating the pump.
- After each use, clean any fuel residue from the hoses to prevent contamination and ensure longevity.
- For the first use, the screw on the pressure switch may need manual adjustment.
3. Contido do paquete
Your TaskStar T21P Cordless Fuel Transfer Pump kit includes the following components:
- 1 x Diesel Transfer Pump
- 1 x Auto-stop Fuel Nozzle
- 2 x 72.7-inch Inlet/Outlet Hoses
- 1 batería de 4.0 Ah
- 1 adaptador de corrente (cargador)
- 1 x filtro
- 4 x Metal Hose Clamps
- 3 x Metal Connectors
- 5 x Spare Impellers
- 1 x Safety Gloves

Figure 2: All components included in the TaskStar T21P kit
4. Instrucións de configuración
Follow these steps to assemble and prepare your fuel transfer pump for use:
- Preparar a bomba: Remove the dust cover from the oil inlet of the pump.
- Install Inlet Connector: Install the metal connector onto the oil inlet and ensure it is tight.
- Attach Filter to Hose: Connect one end of a hose to the wire mesh filter and secure it with a metal hose clamp.
- Connect Inlet Hose to Pump: Connect the other end of the hose (with the filter) to the pump's oil inlet and secure it with a metal hose clamp.
- Install Nozzle Connector: Install the metal joint onto the fuel nozzle.
- Attach Outlet Hose to Nozzle: Connect one end of the second hose to the fuel nozzle and secure it with a metal hose clamp.
- Connect Outlet Hose to Pump: Connect the other end of the second hose to the pump's oil outlet and secure it with a metal hose clamp.
- Montaxe da batería: Slide the 4.0Ah battery onto the designated slot on the fuel transfer pump until it clicks into place.
- Comproba selos: Verify all connection points are securely tightened to prevent leaks.
Video 1: Detailed guide on how to install the TaskStar Fuel Transfer Pump components.

Figure 3: Visual guide for pump installation steps.
5. Instrucións de funcionamento
Once assembled, operate the pump as follows:
- Position Hoses: Place the filter end of the inlet hose into the fuel source (e.g., a drum). Insert the nozzle into the receiving tank (e.g., vehicle fuel tank).
- Activar a bomba: Press the power switch on the pump to turn it on.
- Start Fuel Flow: Squeeze the trigger on the fuel nozzle to begin transferring fuel. The auto shut-off feature will automatically stop the flow when the receiving tank is full.
- Initial Use Note: If you hear a hissing sound, it indicates air in the pump. Release the air until the hissing stops before use.
Video 2: Demonstrating quick refueling with the TaskStar Transfer Pump.
Vídeo 3: Rematadoview of the efficient fuel transfer pump kit with battery and auto shut-off.

Figure 4: Visual guide for operating the pump.

Figure 5: Details of the automatic fuel nozzle.
6. Mantemento
Un mantemento regular garante un rendemento óptimo e unha maior duración da súa bomba.
6.1 Substitución do impulsor
If the pump's performance decreases or it fails to draw fuel, the impeller may need replacement. Follow these steps:
- Afrouxar os parafusos: Loosen and remove the screws on the top of the pump cover.
- Abrir a cuberta: Carefully open the top of the pump cover.
- Remove Worn Impeller: Take out the worn impeller from its housing.
- Install New Impeller: Replace it with a new impeller, ensuring it is correctly seated.
- Pechar a cuberta: Close the pump cover and protective cover.
- Aperte os parafusos: Aperte os parafusos con seguridade.
Video 4: Instructions on how to replace a worn impeller in the pump.
6.2 Limpeza
After each use, ensure to clean any fuel residue from the hoses to prevent contamination and maintain the pump's efficiency.
7 Solución de problemas
- Pump not starting: Asegúrate de que a batería estea completamente cargada e instalada correctamente. Comproba o interruptor de alimentación.
- Hissing sound during operation: This indicates air in the pump. Release the air until the hissing stops before continuing use.
- Slow transfer rate or no flow: Check if the filter is clogged and clean it if necessary. Ensure hoses are not kinked or blocked. Verify the impeller is not worn (refer to Maintenance section).
- O apagado automático non funciona: Ensure the nozzle is fully inserted into the tank and the pressure switch screw is correctly adjusted (for first-time use).
8. Especificacións
| Característica | Especificación |
|---|---|
| Marca | TaskStar |
| Número de modelo | T21P |
| Nome do tipo de elemento | cordless fuel transfer pump |
| Caudal | 12 GPM (galóns por minuto) |
| Batería | Batería de litio 18V 4.0Ah |
| Lonxitude da mangueira | 2x 6.6 Feet (72.7 inches each) |
| Max Suction Length | 16.4 pés |
| Altura máxima de elevación | 32.8 pés |
| Combustibles compatibles | Diesel, Kerosene, Biodiesel |
| Modo de operación | Automático |
| Material do corpo | Metal |
| Peso do elemento | 7.58 quilogramos |
9. Garantía e soporte
The TaskStar T21P Cordless Fuel Transfer Pump comes with a 3 anos de garantía do fabricante. For any questions, technical assistance, or warranty claims, please contact TaskStar customer support through the retailer where the product was purchased or visit the official TaskStar websitio para información de contacto.