Bosch PEX 400 AE Random Orbit Sander 370W

The Expert random orbit sander PEX 400 AE offers silky smooth running and unbelievable power for s...

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eBayBosch PEX 400 AE Orbit Sander - 350W–370W - Variable Speed
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Product Information

Full details

The Bosch PEX 400 AE Random Orbit Sander is designed for DIY enthusiasts seeking high-quality results on medium to large surfaces. Its key benefit is a powerful yet comfortable sanding experience with variable speed control. A potential consideration is its weight for extended overhead work. This tool excels at sanding and polishing wood, painted, varnished, and filled surfaces, both flat and curved, offering smooth operation and efficient dust management.

All features

Model Part Number0 603 3A4 070
BrandBosch

Extended Product Information

FAQs

What type of surfaces can I sand with the PEX 400 AE?

The PEX 400 AE is suitable for sanding and polishing flat or curved surfaces made of wood, filler, plaster, painted, or varnished materials.

How do I adjust the speed?

The speed can be adjusted using the electronic speed preselection dial located on the tool. Turn the dial to the desired setting based on your material and task.

How often should I empty the dust box?

It is recommended to empty the Microfilter dust box after each use or when it appears to be full to maintain effective dust collection.

Can I use this sander for polishing?

Yes, the PEX 400 AE can be used for polishing tasks, often with specific polishing pads and compounds, in addition to sanding.

What is the warranty period for this sander?

The Bosch PEX 400 AE Random Orbit Sander comes with a 2-year manufacturer's guarantee.

How do I attach the sanding paper?

The sanding paper attaches via a hook-and-loop system to the 125 mm sanding pad. The 'Paper Assistant' tool can help ensure precise alignment.

Troubleshooting

Sander not turning on

Ensure the power cord is securely plugged into a working electrical outlet. Check if the on/off switch is in the correct position.

Poor sanding performance

Check if the sanding paper is worn out and needs replacement. Ensure the dust box is not full and the microfilter is clean. Verify the speed setting is appropriate for the material.

Excessive vibration

Ensure the sanding paper is attached correctly and securely. Check for any damage to the sanding pad. Clean any debris from the tool's internal components if accessible.

Dust escaping the Microfilter box

Ensure the Microfilter dust box is properly attached and sealed. Check for any tears or damage to the dust box or its filter.

Pros and Cons

Pros

  • Powerful 370W motor handles demanding tasks.
  • Variable speed control for precise application on different materials.
  • Comfortable grip and auxiliary handle reduce fatigue.
  • Effective dust extraction system keeps the workspace cleaner.
  • Compact and lightweight design for its class.

Cons

  • May be heavy for prolonged overhead use.
  • Only one sanding sheet included.
  • Carrying case size may be a limitation for some.

Setup, Compatibility & Care

Setup:

  1. Ensure the sander is unplugged before any setup or accessory changes.
  2. Attach the desired sanding paper to the 125 mm sanding pad using the hook-and-loop fastening system. The included 'Paper Assistant' tool can help align the paper precisely.
  3. Connect the Microfilter dust box securely to the designated port.
  4. Grip the auxiliary handle firmly for added stability and control.

Compatibility:

The PEX 400 AE is compatible with standard 125 mm diameter sanding sheets. It operates on a 230V AC power source.

Care:

  • Dust Box: Empty the Microfilter dust box regularly after use to maintain optimal dust collection efficiency.
  • Cleaning: Wipe the exterior of the sander with a damp cloth. Do not use solvents or abrasive cleaners.
  • Sanding Pad: Periodically check the hook-and-loop fastening on the sanding pad for wear and tear. Clean any dust or debris from the pad.
  • Ventilation Slots: Keep the ventilation slots clear of dust and debris to prevent overheating.
  • Storage: Store the sander in its carrying case in a dry environment when not in use.

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