Clarke CAT127, Operating & Maintenance Instructions

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

SETTING 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 for the Die 

Grinder are: 8300, 13000, 22000 
or 25000 rpm (+/-10%).

• Speeds available for the Cut-

off Tool are: 4880, 6800, 15400 or 20000 rpm (+/-10%).

OPERATING THE TOOL

1. Use your thumb to slide the 

throttle locking lever forward while 
squeezing the trigger against the 
body of the tool.

NOTE: 

The direction of rotation of 

the cut off tool is shown by 
the arrow on the disc guard.

2. Do not use excess pressure on the 

grinding stone or cut-off disc as 
this will shorten its life.

3. Release the trigger to stop the tool.

• The tool will continue to rotate very briefly after the trigger has been 

released.

4. Always ensure the tool has stopped before putting it down.

CUTTING TIPS

• Do not force the disc through the material. Work with a feed rate 

that is suited to the material being cut.

• Do not subject the cutting disc to sideways pressure.

• The direction of the cutting motion is important. Always feed the 

cutting disc into the work so that it cuts in an upward direction. If you 
do not do this it can result in the disc climbing out of the cut in an 
uncontrolled manner and may lead to loss of control or serious injury.