Clarke CAT130, Operating & Maintenance Instructions

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Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

INSTALLING THE COLLET

1. Select the grinding stone you require.

2. Three collets of different sizes are 

provided. Select whichever fits 
the shank of the stone you have 
chosen.

• The larger collet is probably 

already installed in the grinder.

3. If another collet is to be used, 

undo the screw cap completely 
and pull out the collet from the 
collet seat. Replace it with the 
new collet and screw the cap loosely back on.

FITTING THE GRINDING STONE

IMPORTANT: Never use chipped or cracked grindstones.

1. Slip the shank of the chosen stone 

into the collet and tighten the 
screw cap finger tight.

2. Place the smaller of the two 

wrenches over the collet seat to 
stop the tool from rotating.

3. Use the larger wrench to fully 

tighten the collet and grip the 
stone in position as shown.

ADJUSTING THE SPEED

1. Set the tool speed by rotating the 

control to one of the four settings.

• The graduations on the speed 

control indicate the speed 
setting when aligned with the 
reference mark on the air inlet.

•  Speeds available are: 12000, 

17500, 22000 or 25000 rpm (+/-
10%).