Westinghouse PT20360, Instruction Manual, Page: 5 / 10

OPERATION
5
This heavy duty grinder is designed for the following purposes:
1. Removal of casting burrs and finishing on various types of steel, bronze, aluminum materials and castings.
2. Beveling and finishing weld seams
3. Grinding of welded sections cut by means of welding.
4. Grinding of synthetic resin bricks, marbles etc.
5. Cutting thin wall tubes and small size metal materials.
CAUTION! Never cover air vents. They must always be open for proper motor cooling.
To start your grinder:
1. Plug the cord set into a power socket;
2. The grinder will be turned on when the on/off switch is pushed forward to the end.
3. For continuous operation, press at the front end of the switch button to make it engage in the “on” position.
To stop your grinder:
1. Release the on/off switch. Or press at the end of the switch button to make it spring back when the switch is
engaged in the lock-on position.
For Proper Operations
1. Before starting the grinder, put on safety glasses and make sure that the grinding wheel, guard and the tool are
in good condition and correctly fitted.
2. Always hold the tool firmly with one hand on the rear handle and the other on the side handle.
3. Turn the angle grinder on and then apply the grinding wheel to the workpiece.
4. In general, keep the edge of the wheel at an angle of about 30° for roughing and about 15° for finishing.
5. Move the grinder back and forth or up and down over the work area.
6. Use just enough pressure to keep the grinder from chattering or bouncing.
7. Avoid overloading the tool for a long time, heavy pressure will decrease its speed and put a strain on the motor .
8. Lift the grinder away from the workpiece before turning your grinder off.
WARNING!
Never use your grinder without wearing eye protection. Following this rule will reduce the risk of serious personal
injury.
DANGER!
1. Never attach a wood cutting or carving blade of any type to this angle grinder.
2. Never use your grinder with guard removed.
3. Failure to follow this rule could result in serious personal injury.
WARNING!
If any of the following events occurs during normal operation, the power supply should be shut off immediately and
then the tool should be inspected thoroughly and repaired by a qualified person if necessary:
1. The rotating parts get stuck or speed drops abnormally low.
2. The tool shakes abnormally and accompanied by some unusual noise.
3. The motor housing gets abnormally hot.
4. Heavy sparks occurring around the motor area.