Wesco WS4740 Manual Del Usuario página 18

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Idiomas disponibles

3. GRINDING/CUTTING DISC (SEE FIG. D1-D3)
Screw on the inner flange (6). (See Fig. D1)
Pay attention to the dimensions of the
grinding disc. The mounting hole diameter
must fit the inner flange (6) without play. Do
not use reducers or adapters.
When using a diamond cutting disc, take care that the
direction-of-rotation arrow on the diamond cutting disc and
the direction of rotation of the machine (direction-of-rotation
arrow on the machine head) agree.
Place the disc on the tool spindle and inner flange. (See
Fig. D2) Ensure it is correctly located. Fit the threaded outer
flange making sure it is facing in the correct direction for the
type of disc fitted.
Screw on the outer flange (7). (See Fig. D3)
4. ADJUSTABLE OUTER FLANGE CLAMPING
(SEE FIG. E1, E2)
The outer flange (7) should be adjusted to suit different disc
thickness. For thinner cutting or diamond discs the raised
part of the outer flange is fitted facing away from the disc
(See Fig. E1). For thicker grinding discs the raised part of
the outer flange is fitted facing towards the disc to provide
improved support for the disc hole (See Fig. E2). Always
ensure your disc is securely clamped.
STARTING OPERATION
To start the power tool, push the On/Off Switch (3) forward.
To lock the On/Off Switch (3), press the On/Off Switch (3)
down at the front until it engages.
To switch off the power tool, release the On/Off Switch (3)
or, if it is locked, briefly push down the back of the On/Off
Switch (3) and then release it. (See Fig. F)
OPERATING INSTRUCTIONS
• Clamp the workpiece if it does not remain stationary due
to its own weight.
• Do not strain the machine so heavily that it comes to a
standstill.
• Grinding and cutting discs become very hot while working;
do not touch until they have cooled.
• Pull the plug from the socket-outlet when
not using the machine. With the plug inserted and
mains voltage existing, the power tool still has low power
consumption even when it switched off.
1. HAND GRIP AREAS (SEE FIG. G)
Always hold your angle grinder firmly with both hands when
operating (See Fig. G).
2. ROUGH GRINDING
The best roughing results are achieved when setting the
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machine at an angle of 30° to 40°. Move the machine
back and forth with moderate pressure. In this manner, the
workpiece will not become too hot, does not discolor and no
grooves are formed.
WARNING! Never use a cutting disc for
grinding.
3. CUTTING
WARNING! For cutting metal, always work with
the wheel guard for cutting.
When cutting, do not press, tilt or oscillate the machine.
Work with moderate feed, adapted to the material being cut.
Do not reduce the speed of running down cutting discs by
applying sideward pressure.
The direction in which the cutting is performed is important.
The machine must always work in an up-grinding motion.
Therefore, never move the machine in the other direction!
Otherwise, the danger exists of it being pushed uncontrolled
out of the cut.
WORKING HINTS FOR
YOUR GRINDER
If your power tool becomes too hot, run no load for 2-3
minutes to cool the motor.
Never start your angle grinder with the disc/accessory in
contact with the workpiece.
Always start at no load to achieve maximum speed then
start working.
Do not force the disc to work faster, reducing the Disc's
moving speed means longer working time.
When grinding, always work with a 30° to 40° angle
between disc and workpiece. Larger angles will cut ridges
into the workpiece and affect the surface finish. Move the
angle grinder across and back and forth over the workpiece.
When using a cutting disc, never change the cutting angle
otherwise you will stall the disc and angle grinder motor or
break the disc.
When cutting, only cut in the opposite direction to the disc
rotation. If you cut in the same direction as the disc rotation
the disc may push itself out of the cut slot.
When cutting very hard material best results can be
achieved with a diamond disc.
When using a diamond disc it will become very hot. If this
happens you will see a full ring of sparks around the rotating
disc. Stop cutting and allow cooling at no load speed for 2-3
minutes.
Always ensure the workpiece is firmly held or clamped to
prevent movement.
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Ws4740u