1. Einleitung und Sicherheitshinweise
This manual provides essential instructions for the safe and efficient operation, maintenance, and care of your Bosch UniversalRotak 36-550 Cordless Lawn Mower. Please read these instructions carefully before first use and keep them for future reference.
Allgemeine Sicherheitshinweise
- Always wear appropriate personal protective equipment, including safety glasses, sturdy footwear, and hearing protection, when operating the lawn mower.
- Halten Sie Kinder und Haustiere vom Mähbereich fern.
- Betreiben Sie den Rasenmäher niemals bei nassem Gras oder Regen.
- Ensure the battery is removed before cleaning, maintenance, or if the mower is left unattended.
- Inspect the mowing area for objects such as stones, sticks, or wires before starting. Remove any debris that could be thrown by the blades.
2. Produktüberschreitungview
The Bosch UniversalRotak 36-550 is a cordless lawn mower designed for efficient and quiet lawn maintenance. It features a brushless motor for enhanced durability and performance.

Figure 1: Bosch UniversalRotak 36-550 Cordless Lawn Mower
Hauptmerkmale:
- ProSilence Technology: Reduces noise levels by up to 30% for a more comfortable mowing experience.
- ErgoSlide Handle: Ergonomically designed handle, adjustable to suit various user heights, promoting a healthy posture during operation.
- LeafCollect Blade: Specifically designed blade for efficient grass cutting and collection, also capable of shredding and collecting autumn leaves.
- Schnittbreite: 36 cm for effective coverage of medium-sized lawns.
- Schnitthöheneinstellung: Simple, single-button adjustment with 6 positions from 25 mm to 70 mm.
- Graskasten: 40-liter capacity for extended mowing sessions without frequent emptying.
3. Einrichtung
3.1 Griffmontage
- Unfold the lower handle sections and secure them using the quick-release levers.
- Attach the upper handle section, ensuring all cables are routed correctly and not pinched. Tighten the securing knobs.
- Adjust the handle height to a comfortable position using the ErgoSlide mechanism.
3.2 Grass Box Assembly
- Assemble the two halves of the grass box by snapping them together firmly.
- Lift the rear flap of the mower and hook the assembled grass box onto the designated mounts. Ensure it is securely seated.
3.3 Einlegen der Batterie
The UniversalRotak 36-550 is supplied without a battery. Use only Bosch 36V POWER FOR ALL batteries.

Figure 2: Bosch 36V POWER FOR ALL Battery System
- Open the battery compartment cover located on top of the mower.
- Slide a fully charged 36V Bosch battery into the compartment until it clicks into place.
- Schließen Sie den Batteriefachdeckel fest.
4. Bedienungsanleitung
4.1 Einstellen der Schnitthöhe
The cutting height can be adjusted to 6 different positions, ranging from 25 mm to 70 mm.

Figure 3: Cutting Height Adjustment Mechanism
- Ensure the mower is switched off and the battery is removed before adjusting the cutting height.
- Locate the single-button cutting height adjustment lever on the side of the mower.
- Press the button and move the lever to the desired height setting. Release the button to lock the height.
4.2 Starten und Stoppen des Rasenmähers
- Anfangen: Press and hold the safety button on the handle, then pull the switch lever towards the handle. The motor will start. Release the safety button.
- Stoppen: Release the switch lever. The motor will stop immediately.
4.3 Mähtechniken
- For best results, mow in straight, overlapping lines.
- Avoid overloading the mower by cutting excessively long grass in one pass. Adjust cutting height or make multiple passes if necessary.
- The integrated grass combs allow for close-to-edge mowing, reducing the need for additional trimming.
4.4 Entleeren des Grasfangkorbs
The 40-liter grass box should be emptied regularly to maintain optimal collection performance.

Figure 4: 40-Liter Grass Box
- Schalten Sie den Rasenmäher aus und entnehmen Sie den Akku.
- Lift the rear flap and detach the grass box from the mower.
- Empty the grass clippings into a suitable container or compost pile.
- Reattach the grass box securely before resuming operation.
5. Wartung
5.1 Reinigung
- Entfernen Sie vor der Reinigung immer die Batterie.
- Clean the mower thoroughly after each use. Remove grass clippings from the cutting deck, wheels, and air vents using a brush or cloth.
- Do not use water jets or high-pressure cleaners. Avoid using harsh detergents or solvents.
5.2 Klingenpflege
- Regularly inspect the blade for wear, damage, or imbalance. A dull or damaged blade can affect cutting performance and mower balance.
- For blade sharpening or replacement, it is recommended to contact an authorized Bosch service center.
5.3 Speicherung
- Clean the mower before storing.
- Bewahren Sie den Rasenmäher an einem trockenen, sicheren Ort außerhalb der Reichweite von Kindern auf.
- Remove the battery from the mower before long-term storage. Store the battery in a cool, dry place.
6. Fehlerbehebung
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Mäher startet nicht | Battery not inserted or discharged; Safety button/switch lever not activated correctly | Insert fully charged battery; Ensure safety button is pressed before pulling switch lever |
| Schlechtes Schnittergebnis | Dull or damaged blade; Cutting height too low for grass length; Grass box full | Replace or sharpen blade; Increase cutting height; Empty grass box |
| Übermäßige Vibration | Beschädigte oder unausgewogene Klinge; Lose Bauteile | Inspect and replace blade if necessary; Check all fasteners for tightness |
| Motor stoppt während des Betriebs | Overload (e.g., very thick grass); Battery discharged; Overheating | Increase cutting height or reduce mowing speed; Recharge battery; Allow mower to cool down |
7. Spezifikationen

Figure 5: Recommended Lawn Area
| Spezifikation | Wert |
|---|---|
| Modellnummer | 06008B950B |
| Stromquelle | Batteriebetrieben (36 V) |
| Empfohlene Rasenfläche | Bis zu 550 m² |
| Schnittbreite | 36 cm |
| Schnitthöheneinstellung | 6 Positionen (25 mm - 70 mm) |
| Graskastenvolumen | 40 Liter |
| Gewicht | 13 kg |
| Produktabmessungen (T x B x H) | 53.2 x 15.8 x 41.3 cm |
8. Garantie und Support
Bosch gewährt für dieses Produkt eine Herstellergarantie. Die detaillierten Garantiebedingungen finden Sie auf der Ihrem Produkt beiliegenden Garantiekarte oder auf der offiziellen Bosch-Website. website. For technical assistance, spare parts, or service inquiries, please contact your local authorized Bosch service center or customer support.
Weitere Informationen und Kontaktdaten finden Sie auf der offiziellen Bosch-Website. webWebsite: www.bosch-garten.com