GSS 20-18 A Professional - Sander BOSCH - Free user manual and instructions
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| Product type | Random orbital sander |
| Brand | Bosch |
| Model | GSS 20-18 A Professional |
| Category | Sander |
| Supply voltage | 230 V |
| Frequency | 50/60 Hz |
| Power consumption | 200 W |
| Sanding type | Dry sanding |
| Sanding pad diameter | 180 mm |
| No-load speed | 4 000 - 10 000 min⁻¹ |
| Stroke | 2 mm |
| Weight | 1.6 kg |
| Cable length | 2.5 m |
| Dimensions (L x W x H) | 250 x 120 x 150 mm |
| Sound pressure level | 81 dB(A) |
| Sound power level | 92 dB(A) |
| Vibration | < 2.5 m/s² |
| Protection class | II |
| Main features | Variable speed, switch lock, extraction system |
| Maintenance and cleaning | Clean filter, vacuum air vents, replace sanding pad if worn |
| Safety | Safety switch, quick stop, double insulation |
| Spare parts and repairability | Repairability index 8.1/10, sanding pad, abrasive pads available |
| General information | Professional use, supplied with dust bag and sanding pad |
Frequently Asked Questions - GSS 20-18 A Professional BOSCH
How to change the sanding pad?
Unplug the tool. Remove the pad screws with a screwdriver, then replace with a new one. Tighten the screws by hand.
How to adjust the sanding speed?
Use the adjustment wheel located on top of the sander. Turn it to select the desired speed, from 4,000 to 10,000 min⁻¹.
How to connect a vacuum cleaner?
Attach the 35 mm diameter vacuum adapter to the sander outlet, then connect the vacuum hose. Ensure the vacuum cleaner is suitable for fine dust.
What type of abrasive to use?
Use 180 mm diameter hook-and-loop abrasive discs with a center hole for dust extraction. The grit depends on the material.
How to clean the sander?
Unplug it. Clean the ventilation slots with a brush or vacuum. The housing can be wiped with a damp cloth.
What to do if the sander vibrates abnormally?
Check that the sanding pad is securely attached and the abrasive is properly stuck. If the problem persists, the bearing may be faulty: consult an authorized repairer.
What is the stroke depth?
The stroke is 2 mm, allowing fine, mark-free sanding.
How to lock the switch for continuous use?
Press the lock button on the switch. To unlock, press the switch again.
What are the noise levels?
The sound pressure level is 81 dB(A) and the sound power level is 92 dB(A). Wear hearing protection.
Where to find spare parts?
Spare parts (pad, abrasive pads, brushes) are available from Bosch dealers and the official website. Refer to the manual for part numbers.
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USER MANUAL GSS 20-18 A Professional BOSCH
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Product information
Brand : BOSCH
Model : GSS 20-18 A Professional
Category : Sander