1. Introduction et informations de sécurité
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.
Avertissements généraux de sécurité
- Always wear appropriate personal protective equipment, including safety glasses, sturdy footwear, and hearing protection, when operating the lawn mower.
- Éloignez les enfants et les animaux domestiques de la zone de tonte.
- N’utilisez jamais la tondeuse sur de l’herbe mouillée ou sous la pluie.
- 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. Produit terminéview
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
Caractéristiques principales :
- 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.
- Largeur de coupe : 36 cm for effective coverage of medium-sized lawns.
- Réglage de la hauteur de coupe : Simple, single-button adjustment with 6 positions from 25 mm to 70 mm.
- Boîte à herbe : 40-liter capacity for extended mowing sessions without frequent emptying.
3. Installation
3.1 Assemblage de la poignée
- 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 Assemblage du bac à gazon
- 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 Installation de la 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
- Ouvrez le couvercle du compartiment à batterie situé sur le dessus de la tondeuse.
- Slide a fully charged 36V Bosch battery into the compartment until it clicks into place.
- Fermez soigneusement le couvercle du compartiment à piles.
4. Mode d'emploi
4.1 Réglage de la hauteur de coupe
The cutting height can be adjusted to 6 different positions, ranging from 25 mm to 70 mm.

Figure 3: Cutting Height Adjustment Mechanism
- Assurez-vous que la tondeuse est éteinte et que la batterie est retirée avant de régler la hauteur de coupe.
- 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 Démarrage et arrêt de la tondeuse
- Commencer: 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.
- Arrêter: Release the switch lever. The motor will stop immediately.
4.3 Techniques de tonte
- Pour un résultat optimal, tondez en lignes droites et superposées.
- 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 Vider le bac à herbe
The 40-liter grass box should be emptied regularly to maintain optimal collection performance.

Figure 4: 40-Liter Grass Box
- Switch off the mower and remove the battery.
- 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. Entretien
5.1 Nettoyage
- Retirez toujours la batterie avant le nettoyage.
- 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 Entretien des lames
- 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 Stockage
- Clean the mower before storing.
- Rangez la tondeuse dans un endroit sec et sûr, hors de portée des enfants.
- Remove the battery from the mower before long-term storage. Store the battery in a cool, dry place.
6. Dépannage
| Problème | Cause possible | Solution |
|---|---|---|
| La tondeuse ne démarre pas | 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 |
| Mauvais résultat de coupe | Dull or damaged blade; Cutting height too low for grass length; Grass box full | Replace or sharpen blade; Increase cutting height; Empty grass box |
| Vibrations excessives | Lame endommagée ou déséquilibrée ; composants desserrés | Inspect and replace blade if necessary; Check all fasteners for tightness |
| Le moteur s'arrête pendant le fonctionnement | Overload (e.g., very thick grass); Battery discharged; Overheating | Increase cutting height or reduce mowing speed; Recharge battery; Allow mower to cool down |
7. Spécifications

Figure 5: Recommended Lawn Area
| Spécification | Valeur |
|---|---|
| Numéro de modèle | 06008B950B |
| Source d'énergie | Alimenté par batterie (36V) |
| Pelouse recommandée | Jusqu'à 550 m² |
| Largeur de coupe | 36 cm |
| Réglage de la hauteur de coupe | 6 positions (25 mm - 70 mm) |
| Volume de la boîte à herbe | 40 L |
| Poids | 13 kg |
| Dimensions du produit (P x L x H) | 53.2 x 15.8 x 41.3 cm |
8. Garantie et assistance
Bosch offre une garantie constructeur pour ce produit. Pour connaître les conditions générales de garantie, veuillez consulter la carte de garantie fournie avec votre produit ou visiter le site web officiel de Bosch. website. For technical assistance, spare parts, or service inquiries, please contact your local authorized Bosch service center or customer support.
Vous trouverez plus d'informations et les coordonnées sur le site officiel de Bosch. website: www.bosch-garden.com