GMC SandKat KAT150B, Manual

1.  Grip the Palm Grip Handle (2) firmly, and switch the  

  sander on

2.  Move the machine in a circular 
motion over the workpiece surface,    
applying an even, moderate pressure 
(Fig. D). until you reach the  

desired surface finish

3.  If there are still scratches on your   
  workpiece after sanding, try either of  
  the following: 

•   Return to a coarser grit sanding sheet 

and sand the marks out before recommencing with the original choice  
of sanding sheet or, 

•  Try using a new sanding sheet of the same grit to  

eliminate the unwanted marks before progressing to a  

iner grit and inishing the job

WARNING: 

Do not allow the sandpaper to completely wear down before 

replacing it. Failure to observe these precautionary measures can lead to 
damage to the hook and loop surfaces, resulting in sanding sheets failing 
to attach properly. 

Accessories

•  A full range of sanding sheets and accessories is available from your 

GMC dealer

Maintenance

WARNING: 

Always disconnect from the power supply before carrying 

out any inspection, maintenance or cleaning.

General inspection

•  All the bearings are sealed ball bearings, lubricated for  

life, and require no further maintenance

• 

Regularly check that all the ixing screws are tight. They  

may vibrate loose over time

•  Inspect the supply cord of the tool, prior to each use,  

for damage or wear. Repairs should be carried out by an  

authorised GMC service centre. This advice also applies  

to extension cords used with this tool

Changing the sanding sheet

WARNING:

 Always switch off and 

disconnect from the power supply before 
changing the sanding sheet.

1.  Remove the old sanding sheet by 
pulling it off the  

machine’s hook and loop Sanding  
Base (4) 

2.  Clean any dust or debris from the 
hook and loop surfaces

3.  Align the dust extraction holes in the  
  sanding sheet with those of the base (Fig. C), and press it firmly in  
 place

Note:

 Do not continue to use worn, torn, or heavily clogged sanding 

sheets. Ensure foreign objects, such as nails and screws, are removed 
from the workpiece before commencing sanding.

WARNING:

 Do not use a sanding sheet on wood that has previously 

been used on metal. This may cause scouring on the wooden surface.

Selecting the right grade of sanding sheet

Note: 

This detail sander is supplied with a variety of different grit sanding 

sheets. Always use good quality sanding sheets to maximise the quality 

of the inished task. Always test the sander on a scrap piece of material to 

determine whether the sanding sheet is suitable for the intended task:

•  Coarse (60 grit) for use on rough material 
•  Medium (120 grit) for smoothing off 
• 

Fine (240 grit) for inishing

Sanding

WARNING

: Always wear safety goggles, an adequate dust mask, 

hearing protection and suitable gloves, when working with this sander.

WARNING:

 Do not touch the moving sanding sheet. 

Note: This sander is designed for detailed sanding tasks on wood, metal, 
plastic and similar materials, as well as painted surfaces.  Use a different 

type of sanding machine irst (e.g. a belt sander), should you need to 

remove large amounts of material. This sander can then be used for 

inishing tasks and detail work.

WARNING:

 Do not use this sander for sanding magnesium. 

Note: 

Always use clamps to secure your workpiece to the workbench 

wherever possible.

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