1. Wprowadzenie
Thank you for choosing the VEVOR Electric Trailer Jack, Model EJ5021B. This electric jack is designed to provide effortless lifting and lowering of your RV, caravan, horse trailer, or utility trailer. With a robust lifting capacity of 5000 lbs (2267 kg) and a versatile lifting range of 10 to 33.8 inches (255 to 860 mm), it offers reliable and stable support. Constructed from durable carbon steel with a rust-resistant galvanized coating, this jack is built for longevity in various environments. It features an integrated LED work light for night operation, simple button controls, and includes a manual crank for emergency use during power outages. Please read this manual thoroughly before installation and operation to ensure safe and efficient use of your electric trailer jack.

Figure 1.1: VEVOR Electric Trailer Jack in use, providing stable support for a trailer.
2. Instrukcje bezpieczeństwa
Always prioritize safety when operating the electric trailer jack. Failure to follow these instructions may result in personal injury or damage to property.
- Przeczytaj instrukcję: Przed użyciem należy zapoznać się ze wszystkimi instrukcjami i ostrzeżeniami.
- Nośność: Do not exceed the maximum load capacity of 5000 lbs (2267 kg). Overloading can cause equipment failure and injury.
- Stabilna powierzchnia: Always operate the jack on a firm, level surface. Avoid soft ground or inclines.
- Chock Wheels: Always chock the trailer wheels before operating the jack to prevent accidental movement.
- Wyczyść obszar: Podczas pracy trzymaj ręce, stopy i ubranie z dala od ruchomych części.
- Bezpieczeństwo elektryczne: Ensure all electrical connections are secure and free from damage. Do not operate the jack if wiring is exposed or frayed.
- Dzieci i zwierzęta: Trzymaj dzieci i zwierzęta domowe z dala od miejsca pracy.
- Kontrola: Regularly inspect the jack for any signs of damage, wear, or loose fasteners. Do not use if damaged.
- Awaryjny postój: Familiarize yourself with the controls and how to quickly stop the jack in an emergency.
3. Zawartość opakowania
Przed rozpakowaniem sprawdź, czy wszystkie elementy są obecne i nieuszkodzone.
- 1 x VEVOR Electric Trailer Jack (Model: EJ5021B)
- 1 x Manual Crank
- 1 x Wodoodporna osłona
- 1 x Instrukcja obsługi

Figure 3.1: Key accessories including the waterproof cover and manual crank.
4. Specyfikacje
Detailed technical specifications for the VEVOR Electric Trailer Jack.
| Funkcja | Specyfikacja |
|---|---|
| Numer modelu | EJ5021B |
| Maksymalna ładowność | 5000 funta (2267 kg) |
| Zakres podnoszenia | 10 - 33.8 cala (255 - 860 mm) |
| Minimalna wysokość | 10 cala (255 mm) |
| Maksymalna wysokość | 33.8 cala (860 mm) |
| Tomtage | Prąd stały 12 V |
| Maksymalna moc | 350 W |
| Materiał główny | Carbon Steel with Galvanized Coating |
| Waga produktu | 22.9 funta (10.4 kg) |
| Wymiary (dł. x szer. x wys.) | 24.5 x 14 x 73.5 cm (9.65 x 5.51 x 28.94 cala) |
| UPC | 197988655121 |

Figure 4.1: Visual representation of the jack's dimensions and key specifications.
5. Instalacja i konfiguracja
Follow these steps to properly install your electric trailer jack.
- Usuń starego Jacka (jeśli dotyczy): If replacing an existing jack, ensure the trailer is securely supported by jack stands before removing the old unit.
- Pozycjonowanie: Align the mounting plate of the VEVOR Electric Trailer Jack with the existing mounting holes on your trailer's A-frame. The jack features a 90° rotation installation hole for flexible positioning.
- Bezpieczne mocowanie: Use appropriate bolts, washers, and nuts (not included, typically reused from old jack or purchased separately) to securely fasten the jack to the trailer frame. Ensure all fasteners are tightened to the manufacturer's recommended torque specifications.
- Podłączenie elektryczne: Connect the jack's power cord to your trailer's 12V battery system. The power cord is approximately 43.3 inches (1.1 meters) long. Ensure a secure, clean connection to prevent power loss or electrical issues. The red wire is positive (+), and the black wire is negative (-). It is recommended to install an inline fuse (not included) for protection.
- Funkcjonalność testu: Once installed and connected, perform a test run to ensure the jack extends and retracts smoothly.

Figure 5.1: Illustration of the power cord and jack dimensions relevant for installation.
6. Instrukcja obsługi
Operating your VEVOR Electric Trailer Jack is straightforward. Always ensure the area around the jack is clear before operation.
- Włączanie: Ensure the jack is properly connected to a 12V power source.
- Wysuń/Wsuń: Use the designated UP/DOWN buttons on the jack head to extend or retract the jack leg. Press and hold the button for continuous movement. Release the button to stop.
- Światło robocze LED: Activate the integrated LED work light by pressing the light switch, typically located near the control buttons. This provides illumination for night operations.
- Obsługa ręczna (awaryjna): In case of a power failure or electrical issue, the jack can be operated manually. Insert the provided manual crank into the access hole on the top or side of the jack head. Turn the crank clockwise to extend the jack and counter-clockwise to retract it.

Figure 6.1: Control panel with UP/DOWN buttons and LED light switch.

Figure 6.2: The jack's lifting range from 10 to 33.8 inches, demonstrating fast and stable operation.
7. Konserwacja
Regular maintenance ensures the longevity and reliable performance of your electric trailer jack.
- Czyszczenie: Keep the jack clean and free from dirt, mud, and debris. Wipe down the outer casing and inner tube regularly.
- Smarowanie: Periodically apply a light coat of grease to the inner and outer tubes to ensure smooth operation and prevent corrosion.
- Połączenia elektryczne: Check all electrical connections for corrosion, tightness, and damage. Clean terminals if necessary.
- Elementy złączne: Inspect all mounting bolts and nuts for tightness. Re-tighten if any are loose.
- Wodoodporna osłona: Use the provided waterproof cover when the jack is not in use or during storage to protect it from weather elements, especially rain and sun.
- Składowanie: W przypadku dłuższego przechowywania przyczepy należy upewnić się, że podnośnik jest całkowicie schowany i przykryty.
8. Rozwiązywanie Problemów
W tej sekcji znajdziesz informacje o typowych problemach i ich rozwiązaniach.
| Problem | Możliwa przyczyna | Rozwiązanie |
|---|---|---|
| Podnośnik nie jest zasilany elektrycznie. | No power, loose electrical connection, blown fuse, dead battery. | Check battery charge. Inspect all wiring and connections for tightness and corrosion. Check for a blown fuse in the trailer's electrical system or an inline fuse (if installed). |
| Jack porusza się powoli lub z trudnością. | Niski poziom naładowania akumulatoratage, excessive load, lack of lubrication, bent inner tube. | Ensure battery is fully charged. Reduce load if exceeding capacity. Lubricate the inner and outer tubes. Inspect for physical damage. |
| Jack wydaje nietypowe dźwięki. | Brak smarowania, zużycie elementów wewnętrznych, ciało obce. | Lubricate moving parts. If noise persists, discontinue use and contact customer support. |
| Światło LED nie włącza się. | Faulty switch, loose wiring, burnt-out LED. | Check the light switch and wiring connections. If the issue persists, contact customer support. |
If you encounter problems not listed here or if the suggested solutions do not resolve the issue, please contact VEVOR customer support for assistance.
9. Gwarancja i wsparcie
VEVOR products are designed for durability and performance. This product comes with a standard warranty against manufacturing defects. For specific warranty terms and conditions, please refer to the warranty card included with your purchase or visit the official VEVOR webstrona.
For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact VEVOR customer service. Have your model number (EJ5021B) and purchase information ready when contacting support.
VEVOR Oficjalny Webstrona: www.vevor.com