Dedra DED8740
Dedra DED8740 Electric Lawn Mower User Manual
Model: DED8740 | Brand: Dedra
Wstęp
Thank you for choosing the Dedra DED8740 Electric Lawn Mower. This manual provides essential information for the safe and efficient operation, assembly, maintenance, and troubleshooting of your new lawn mower. Please read this manual thoroughly before first use and keep it for future reference. Proper use and care will ensure a long service life for your appliance.
Ważne instrukcje bezpieczeństwa
Zawsze przestrzegaj podstawowych zasad bezpieczeństwa, aby zmniejszyć ryzyko pożaru, porażenia prądem i obrażeń ciała. Nieprzestrzeganie tych instrukcji może spowodować poważne obrażenia lub uszkodzenie produktu.
- Przeczytaj instrukcję: Zapoznaj się ze wszystkimi elementami sterującymi i prawidłowym użytkowaniem urządzenia.
- Środki ochrony osobistej: Always wear appropriate eye protection, sturdy footwear, and long trousers when operating the lawn mower.
- Oczyść obszar: Przed koszeniem należy oczyścić teren z kamieni, patyków, drutów i innych zanieczyszczeń, które mogą zostać wyrzucone przez ostrze.
- Sprawdź przed użyciem: Check the power cord for damage and ensure all guards and safety devices are in place and functioning correctly.
- Odłącz zasilanie: Always disconnect the power supply before cleaning, adjusting, or performing any maintenance on the mower.
- Warunki atmosferyczne: Do not use the lawn mower in wet grass or rain. The mower has an IPX4 rating for splash resistance, but it is not designed for heavy rain.
- Dzieci i osoby postronne: Trzymaj dzieci, zwierzęta domowe i osoby postronne z dala od obszaru roboczego.
- Działanie na zboczu: Zachowaj szczególną ostrożność podczas koszenia na zboczach. Kosić w poprzek zbocza, nigdy w górę i w dół.
- Unikaj przeszkód: Be aware of the power cord's position to avoid cutting it.
Zawartość opakowania
Proszę sprawdzić, czy w paczce znajdują się następujące elementy:
- Dedra DED8740 Electric Lawn Mower Unit
- Zespół górnego uchwytu
- Zespół dolnego uchwytu
- Worek na trawę (30 l)
- Fasteners and Cable Clips
- Instrukcja obsługi (ten dokument)
If any parts are missing or damaged, please contact your retailer or Dedra customer support.
Konfiguracja i montaż
Before operating the lawn mower, it requires some assembly. Ensure the mower is unplugged from the power source during assembly.
1. Montaż uchwytu
Attach the lower handle assembly to the main mower unit using the provided fasteners. Then, attach the upper handle assembly to the lower handle. Secure all connections firmly. The handle is designed to be ergonomic and can be adjusted for user comfort.

Obraz: Handle adjustment mechanism. This image shows the red lever used to adjust the handle height for ergonomic use.

Obraz: Strona view of the mower with detached grass bag. This image illustrates the mower unit and the handle assembly before the grass bag is attached.
2. Montaż worka na trawę
Assemble the 30-liter grass collection bag according to the instructions provided with the bag components. Once assembled, hook the grass bag onto the rear discharge chute of the lawn mower.
3. Regulacja wysokości koszenia
The cutting height can be adjusted between 30 mm and 60 mm. Locate the height adjustment mechanism, typically near the wheels or under the mower deck. Follow the markings to select your desired cutting height. Ensure all wheels are set to the same height for an even cut.
Instrukcja obsługi
1. Podłączanie do zasilania
Ensure the mower's power switch is in the "OFF" position. Connect the power cord to a suitable outdoor extension cord, and then plug the extension cord into a grounded outdoor power outlet. Always use an extension cord rated for outdoor use and appropriate for the mower's power requirements (1300W).

Obraz: Power switch and handle. This image shows the main power switch and the safety bar on the handle, which must be engaged to operate the mower.
2. Uruchomienie kosiarki
To start the mower, press and hold the safety button, then pull the operating lever towards the handle. Release the safety button once the motor starts. To stop the mower, release the operating lever.
3. Technika koszenia
- Mow in overlapping rows to ensure an even cut.
- Avoid overloading the motor by not attempting to cut excessively long or wet grass in one pass.
- For very long grass, it is advisable to make two passes, setting a higher cutting height for the first pass and then lowering it for the second.
- Always push the mower forward; do not pull it towards you.
- Be mindful of the power cord's position to prevent accidental cutting.

Obraz: Assembled lawn mower. This image shows the Dedra DED8740 Electric Lawn Mower fully assembled and ready for use, including the grass collection bag.
4. Emptying the Grass Collection Bag
Regularly check the grass collection bag. When it is full, stop the mower, disconnect the power, and carefully remove the bag. Empty the grass clippings and reattach the bag securely before resuming operation.
Konserwacja
Regular maintenance ensures the longevity and safe operation of your Dedra DED8740 Electric Lawn Mower. Always disconnect the power supply before performing any maintenance.
1. Czyszczenie
- After each use, clean the exterior of the mower with a damp ściereczką. Nie używaj silnych detergentów ani rozpuszczalników.
- Remove grass clippings from the underside of the mower deck and around the blade using a brush or scraper.
- Ensure the air vents are clear of debris to prevent overheating.
2. Pielęgnacja ostrzy
Periodically inspect the cutting blade for sharpness and damage. A dull or damaged blade can lead to poor cutting performance and may cause excessive vibration. If necessary, have the blade sharpened or replaced by a qualified service technician. The mower uses a 320mm cutting blade.

Obraz: Underside with cutting blade. This image displays the 320mm cutting blade located on the underside of the mower deck.
3. Przechowywanie
Store the lawn mower in a dry, secure place, out of reach of children. The foldable handle allows for compact storage, saving space in your shed or garage.
Rozwiązywanie problemów
This section addresses common issues you might encounter with your Dedra DED8740 Electric Lawn Mower. For problems not listed here, please contact customer support.
| Problem | Możliwa przyczyna | Rozwiązanie |
|---|---|---|
| Kosiarka nie uruchamia się |
|
|
| Słaba wydajność cięcia |
|
|
| Nadmierne wibracje |
|
|
Dane techniczne
| Numer modelu | DED8740 |
| Marka | Dedra |
| Źródło zasilania | Electric (Cable) |
| Moc wyjściowa | 1300 W |
| Szerokość cięcia | 320 mm (32 cm) |
| Regulacja wysokości koszenia | 30 - 60 mm |
| Pojemność worka na trawę | 30 litrów |
| Waga produktu | 12.2 kilogramów |
| Wymiary (dł. x szer. x wys.) | Wymiary: 63 cm x 32 cm x 38 cm |
| Tworzywo | Plastik, Metal |
| Stopień ochrony IP | IPX4 (odporność na zachlapanie) |
| Kraj pochodzenia | Polska |
Gwarancja i wsparcie
Dedra products are manufactured to high-quality standards and are warranted against manufacturing defects. Please refer to the warranty card included with your product for specific terms and conditions, or visit the official Dedra webStrona zawiera szczegółowe informacje o gwarancji.
For technical assistance, spare parts, or service inquiries, please contact Dedra customer support or your authorized retailer. Have your model number (DED8740) and purchase date ready when contacting support.
Dedra Official Webstrona: www.dedra.pl (Byłyample link, rzeczywisty link może się różnić)
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