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• Always use undamaged flanges of a correct size and shape for the wheel you have
selected. Correct flanges support the wheel and minimize the risk of it breaking.
Flanges for cut-off wheels can be different from those which are used for grinding
discs.
• Never use worn-down wheels designed for use with a larger power tool.
Wheels intended for larger power tools do not have the same speed rating
as those intended for use with smaller tools and can shatter.
1.5 Additional safety precautions for cutting with
a cut-off wheel
• Do not force the cut-off wheel or apply too much pressure. Do not try to cut too
deeply. Overloading the wheel increases the pressure and the likelihood of the
wheel twisting or getting stuck in the cut and increases the chances of kickback or
the wheel breaking.
• Never stand in line with or behind the rotating wheel. When the wheel rotates away
from you during use, a kickback can force the rotating wheel and the power tool in
the opposite direction, i.e. towards you.
• When the wheel gets stuck or if you for some reason want to stop cutting, turn off
the power tool and hold it still until the wheel has stopped completely. Never try
to remove the cut-off wheel from the cut while the wheel is moving because it can
result in a kickback. Examine and take the necessary measures to minimize the
risk of the wheel jamming.
• After stopping, do not resume cutting with the wheel in the workpiece. Let the
wheel reach full speed first and then continue carefully in the previous cut. The
wheel can get stuck, wander out of the cut or kickback if cutting is restarted with
the wheel in the workpiece.
• Support large planks or other large workpieces in order to minimize the risk of
getting stuck or kickback. Large boards tend to bow under their own weight.
Boards should be support from underneath, both near the cutting line and near the
edges of the board on both sides of the cut-off wheel.
• Be especially careful when plunge sawing into walls or objects where it is not
possible to see what one is sawing. The blade can cut into gas or water pipes,
electric cables, or other objects which can cause kickback.
1.6 Specific safety precautions for dressing/roughing
• Do not use sanding discs which are too large. Follow the manufacturer’s
recommendations. Large sanding discs that protrude further than the backing
pad are liable to wear out the power tool and can result in the disc getting stuck,
breaking, or kickback.