Bosch GSS 18V-13 Professional Cordless Orbital Sander User Manual
Quick guide for the Bosch GSS 18V-13 Professional Cordless Orbital Sander. Includes assembly, operation, dust extraction, and maintenance instructions.
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
This manual provides essential instructions for the Bosch GSS 18V-13 Professional Cordless Orbital Sander. Key operations include battery installation, base plate and sanding sheet assembly, and dust extraction setup. Always ensure the battery is removed before performing any maintenance or tool changes.
Product Description
The GSS 18V-13 is a cordless orbital sander designed for dry sanding of wood, plastic, filler, and coated surfaces. It features an orbital stroke rate preselection thumbwheel and constant electronic speed control.
Assembly
Changing/fitting base plate and foam pad: Unscrew the 4 screws completely. Pull the base plate away from the four pivoting feet. Place the replacement pad on the four pivoting feet and push the pivoting feet into the recess. Position the foam pad and secure both parts with the screws.



Changing the sanding sheet: Remove dirt and dust from the sanding plate before attaching a new sheet. Ensure the punched holes in the sanding sheet are aligned with the holes in the sanding plate.
Operation
Switching On/Off: Press the on/off switch to start the tool. Press it again to switch off. Preselecting the orbital stroke rate: Use the thumbwheel to select the required speed (1-2 low, 3-4 medium, 5-6 high).
Dust Extraction
Self-generated extraction: Place the complete dust bag onto the extraction outlet until it lines up precisely. Empty the dust bag regularly for optimal performance.

External extraction: Fit a dust extraction hose onto the extraction outlet and connect it to a suitable vacuum cleaner.
Maintenance and Cleaning
Always remove the battery before any maintenance. Keep the tool and ventilation slots clean to ensure safe and efficient operation.
Manufacturer information
Bosch
Practical help
Common problems
Check if the battery is charged and correctly inserted.
Empty the dust bag; ensure the sanding sheet holes align with the sanding plate holes.
Check if the sanding sheet is correctly attached and the base plate is securely fastened.
Before use
- Ensure the battery is fully charged.
- Select the appropriate base plate and sanding sheet.
- Check that the sanding sheet is correctly attached.
- Ensure the dust bag or extraction hose is properly connected.
Specs in practice
- Rated voltage
- 18V DC
- No-load speed
- 6000–10000 min⁻¹
- Orbit diameter
- 1.6 mm
Images and diagrams
- The manual includes diagrams for base plate assembly (A1-A2), sanding sheet attachment (B, C-E), and dust extraction (F-I).
Model compatibility
- Compatible with GBA 18V and ProCORE18V batteries.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.