Brand: BOSCH
Category: Lawn Mower
Document Type: Manual
Language: EN
Manual for ROTAK 34/37, ROTAK 40/43
Uploaded: Nov. 21, 2025, 8:06 p.m.
Manual Publish Date: 2008-09-08
Warranty Information
Warranty information is not explicitly stated in a summarized sentence.
Starting and Stopping
Press and hold the safety button, then squeeze the switch lever. Release the safety button. To stop, release the switch lever.
Mowing
Place the mower on the edge of the lawn, work away from the power point, then at right angles. Position the cable to the opposite side at the end of each turn.
If the motor labours, stop mowing, release the switch lever, and raise the cutting height. The motor is protected by a safety cut out. If activated, stop, remove the plug, clear the obstruction, and wait for the safety cut out to reset.
Adjusting the Cutting Height
Stop the motor. Lift or push down the height of cut lever to select the desired height.
Troubleshooting and error codes
| Symptom | Possible Cause | Remedy |
|---|---|---|
| Machine fails to operate | Power turned off Mains socket faulty Extension cable damaged Fuse faulty/blown Mower in long grass Motor protector has activated |
Turn power on Use another socket Inspect cable, replace if damaged Replace fuse Increase height of cut and tilt mower Allow to cool and increase height of cut |
| Machine functions intermittently | Extension cable damaged Machines internal wiring damaged Motor protector has activated |
Inspect cable, replace if damaged Contact Service Agent Allow to cool and increase height of cut |
| Machine leaves ragged finish or motor labours | Height of cut too low Cutting blade blunt Underside of machine badly clogged Blade fitted upside down |
Increase height of cut (see "Height of Cut Adjustment”) Replace blade (see "Blade Maintenance”) Clean machine (see "After Mowing/ Storage") Refit blade correctly (see “Blade Maintenance”) |
| Cutting blade not rotating while machine switched on | Cutting blade obstructed | Clear obstruction |
| Excessive vibration/noise | Blade nut/bolt loose Cutting blade damaged |
Tighten blade nut/bolt Replace blade |