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User Manual for Bosch GBL 18V-800 Cordless Leaf Blower

Quick guide for the Bosch GBL 18V-800 cordless leaf blower. Includes assembly, operation, battery maintenance, troubleshooting, and safety instructions.

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Quick guide from the manual

The Bosch GBL 18V-800 is a cordless leaf blower designed for clearing leaves and garden waste such as grass, twigs, and pine needles at ground level. This guide provides essential information for safe and efficient operation.

Safety Instructions

  • Always wear eye and ear protection while operating the machine.
  • Keep bystanders at a safe distance while the machine is in use.
  • Do not operate the machine in bad weather, especially during a storm.
  • Keep hands, feet, and loose clothing away from air inlets and openings.
  • Disconnect the battery before performing any maintenance or cleaning.

Assembly and Operation

Refer to the illustrations in the manual for assembly steps:

Product components overview
Product components overview
Nozzle assembly
Nozzle assembly
Battery insertion
Battery insertion
On/Off switch
On/Off switch
Speed control
Speed control
  • Nozzle Assembly: Attach the desired nozzle (intermediary, concentrator, or flat) to the attachment point (Figure B).
  • Battery: Insert the charged battery into the battery holder until it clicks into place (Figure C). To remove, press the release button.
  • Switching On/Off: Use the On/Off switch to operate the blower (Figure D).
  • Speed Control: Adjust the airflow velocity using the controller (Figure E).

Maintenance and Storage

Clean the product with a cloth before storage. Ensure the motor is stopped and the battery is disconnected before cleaning or assembling the nozzle. Do not use solvents, and never spray or immerse the product in water. Keep all cooling air inlets clear of debris.

Storage hook
Storage hook

Troubleshooting

If the machine fails to operate, check if the battery is discharged, not fully connected, or too hot/cold. If the machine operates intermittently, the switch or speed controller may be defective. If airflow is reduced, check for obstructions in the air intake or tube.

Manufacturer information

Bosch

Brand profile

Practical help

Common problems

Machine fails to operate

Check if the battery is discharged, not fully connected, or too hot/cold. Allow the battery to cool or warm up as needed.

Reduced airflow

Check for obstructions in the air intake or the blower tube and clear them.

Excessive vibrations or noise

The machine may be defective; contact your service agent.

Before use

  • Ensure the battery is fully charged.
  • Check that the nozzle is correctly attached.
  • Ensure the air intake and tube are free from obstructions.
  • Wear appropriate eye and ear protection.
  • Ensure bystanders are at a safe distance.

Specs in practice

Rated voltage
18V DC
Airflow speed, max.
200 km/h
Volume flow rate, max.
800 m³/h

Images and diagrams

  • Figure A: Overview of product components including speed controller, switch, and nozzles.
  • Figure B: Nozzle assembly instructions.
  • Figure C: Battery insertion and removal.
  • Figure D: On/Off switch operation.
  • Figure E: Airflow speed adjustment.

Model compatibility

  • Compatible with Bosch GBA 18V and ProCORE18V battery series.

Manual page author

David Miller

Documentation analyst

Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.