Bosch UniversalRotak 37-555
User Manual: Bosch UniversalRotak 37-555 Corded Lawnmower
Model: 06008A6501
1. Introduction
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your Bosch UniversalRotak 37-555 corded lawnmower. Please read this manual thoroughly before first use and keep it for future reference.
The Bosch UniversalRotak 37-555 is a powerful and efficient electric lawnmower designed for maintaining lawns with ease. It features a 1400 W motor, a 37 cm cutting width, and a 40-liter grass box, making it suitable for medium-sized gardens.
2. Safety Information
Always observe the following safety precautions to prevent injury and damage:
- Read all instructions carefully before operating the lawnmower.
- Wear appropriate personal protective equipment, including safety glasses and sturdy footwear.
- Ensure the work area is clear of debris, stones, and other objects that could be thrown by the blades.
- Keep children and pets away from the operating area.
- Never operate the lawnmower in wet conditions or rain.
- Disconnect the power supply before cleaning, adjusting, or performing maintenance.
- Do not use the lawnmower if the power cord is damaged.
- Always push the lawnmower forward; do not pull it towards you.
3. Package Contents
Verify that all components are present in the packaging:
- 1 x Bosch UniversalRotak 37-555 Corded Lawnmower unit
- 1 x Grass box (40 liters, requires assembly)
- 1 x Instruction Manual

Figure 3.1: The Bosch UniversalRotak 37-555 lawnmower and its retail packaging.
4. Setup and Assembly
Follow these steps for initial setup and assembly:
- Handle Assembly: Attach the Ergoflex handles to the main unit. Ensure all locking mechanisms are securely fastened. The handles are designed to be foldable for easy storage.
- Grass Box Assembly: Assemble the 40-liter grass box according to the diagrams provided in the separate assembly sheet (if applicable). Ensure all parts fit together correctly and securely.
- Height of Cut Adjustment: The cutting height can be adjusted between 25 mm and 70 mm. Locate the height adjustment lever on the side of the mower. Move the lever to select your desired cutting height.

Figure 4.1: Adjusting the height of cut on the UniversalRotak 37-555, ranging from 25mm to 70mm.
5. Operating Instructions
To operate your Bosch UniversalRotak 37-555 lawnmower:
- Connect Power: Plug the lawnmower into a suitable outdoor power outlet. Ensure the power cord is routed safely to avoid accidental cutting.
- Start the Mower: Press and hold the safety switch, then squeeze the operating lever on the handle to start the motor. Release the safety switch once the motor is running.
- Mowing Technique: Push the lawnmower forward in overlapping strips. For optimal results, mow in straight lines. The lawnmower is designed to provide clean cuts along edges and near walls.
- Grass Box Management: Monitor the grass box and empty it when full to maintain optimal cutting performance and prevent clogging.
- Stopping the Mower: Release the operating lever to stop the motor. Disconnect the power supply after use.

Figure 5.1: The Ergoflex handles provide comfortable and easy operation during mowing.

Figure 5.2: The design allows for clean cuts along edges, minimizing the need for additional trimming.

Figure 5.3: The highly efficient motor ensures excellent mowing performance with optimized energy consumption.
6. Maintenance
Regular maintenance ensures the longevity and performance of your lawnmower:
- Cleaning: After each use, disconnect the power and clean the underside of the mower deck and the grass box. Remove any grass clippings or debris. Do not use water jets directly on the motor or electrical components.
- Blade Inspection: Regularly inspect the cutting blade for sharpness and damage. A dull or damaged blade can affect cutting performance and may need sharpening or replacement.
- Storage: Store the lawnmower in a dry, protected area. The handles can be folded down for compact storage, especially useful in tight spaces.

Figure 6.1: The integrated carrying handles make it easy to lift and transport the lightweight lawnmower for storage or between mowing areas.
7. Troubleshooting
Refer to the table below for common issues and their solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Lawnmower does not start. | No power supply; safety switch not engaged; operating lever not squeezed. | Check power connection; ensure safety switch is pressed and operating lever is squeezed simultaneously. |
| Poor cutting performance. | Dull blade; grass box full; cutting height too low for grass type. | Sharpen or replace blade; empty grass box; adjust cutting height. |
| Excessive vibration. | Damaged or unbalanced blade; debris caught in blade area. | Disconnect power, inspect blade for damage and balance; clear any obstructions. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Bosch |
| Model Name | UniversalRotak 37-555 |
| Model Number | 06008A6501 |
| Power | 1400 Watts |
| Power Type | AC/DC (Corded Electric) |
| Cutting Width | 37 cm |
| Cutting Height Adjustment | 25 mm - 70 mm |
| Grass Box Capacity | 40 Liters |
| Product Dimensions (L x W x H) | 134 x 40 x 106 cm |
| Weight | 12 Kilograms |
| Included Components | 1 x UniversalRotak 37-555 Lawnmower |
9. Warranty and Support
For warranty information, technical support, or to order replacement parts, please contact Bosch customer service. Keep your proof of purchase for warranty claims.
While specific warranty details are not provided in this manual, Bosch products typically come with a manufacturer's warranty covering defects in materials and workmanship. Please refer to the warranty card included with your product or visit the official Bosch website for detailed terms and conditions.
For assistance, visit the official Bosch website or contact their customer support line. When contacting support, please have your model name (UniversalRotak 37-555) and model number (06008A6501) ready.