BLACK&DECKER BDEG900 Manual De Instrucciones página 10

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Idiomas disponibles

Idiomas disponibles

eDge gRINDINg WITh gRINDINg WheeLS
CAUTION:
Wheels used for edge grinding and cutting may break or kick back if they
bend or twist while the tool is being used to do cut-off work. In all edge grinding / cutting
operations the open side of the guard must be positioned away from the operator. Edge
grinding / cutting with thicker Type 27 wheels (1/4" / 6mm thick) using a Type 27 guard must
be limited to shallow cutting and notching (less than 1/2 inch (13mm) in depth). A Type 1
closed guard is required for all other edge grinding / cutting. Edge grinding / cutting with
thinner Type 27/Type 42 wheels (1/8" / 3mm thick and less) requires a closed Type 1 guard
and must be limited to shallow cutting and notching (less than 1/2 inch (13mm) in depth). Use
a closed type 1 guard for all edge grinding / cutting with a Type 1/Type 41 cut-off wheels.
1. Allow the tool to reach full speed before touching the tool to the work surface.
2. Apply minimum pressure to the work surface, allowing the tool to operate at high
speed. Grinding rate is greatest when the tool operates at high speed.
3. Position yourself so that the open-underside of the wheel is facing away from you.
4. Once a cut is begun and a notch is established in the workpiece, do not change the angle of
the cut. Changing the angle will cause the wheel to bend and may cause wheel breakage.
Edge grinding wheels are not designed to withstand side pressures caused by bending.
5. Remove the tool from the work surface before turning the tool off. Allow the tool to
stop rotating before laying it down.
CAUTION:
applications because these wheels are not designed for side pressures encountered with
surface grinding. Wheel breakage and injury may result.
USINg WIRe CUP BRUSheS AND WIRe WheeLS
Wire wheels and brushes can be used for removing rust, scale and paint, and for
smoothing irregular surfaces.
NOTe: The same precautions should be taken when wire brushng paint as when
sanding paint.
1. Allow the tool to reach full speed before touching the tool to the work surface.
2. Apply minimum pressure to work surface, allowing the tool to operate at high speed.
Material removal rate is greatest when the tool operates at high speed.
3. Maintain a 5˚ to 10˚ angle between the tool and work surface for wire cup brushes.
4. Maintain contact between the edge of the wheel and the work surface with wire wheels.
5. Continuously move the tool in a forward and back motion to avoid creating gouges in the
work surface. Allowing the tool to rest on the work surface without moving, or moving the
tool in a circular motion causes burning and swirling marks on the work surface.
6. Remove the tool from the work surface before turning the tool off. Allow the tool to
stop rotating before setting it down.
Use extra care when working over an edge, as a sudden sharp movement of grinder
may be experienced.
SURfACe fINIShINg WITh SANDINg fLAP DISCS
1. Allow the tool to reach full speed before touching the tool to the work surface.
2. Apply minimum pressure to work surface, allowing the tool to operate at high speed.
Sanding rate is greatest when the tool operates at high speed.
3. Maintain a 5˚ to 10˚ angle between the tool and work surface.
4. Continuously move the tool in a forward and back motion to avoid creating gouges in
the work surface.
5. Remove the tool from work surface before turning tool off. Allow the tool to stop
rotating before laying it down.
USINg SANDINg BACkINg PADS
Choose the proper grit sanding discs for your application. Sanding discs are available in
various grits. Coarse grits yield faster material removal rates and a rougher finish. Finer
grits yield slower material removal and a smoother finish.
Begin with coarse grit discs for fast, rough material removal. Move to a medium grit
paper and finish with a fine grit disc for optimal finish.
Coarse
Medium
Fine Finishing
Very Fine Finishing
1. Allow the tool to reach full speed before touching tool to the work surface.
2. Apply minimum pressure to work surface, allowing the tool to operate at high speed.
Sanding rate is greatest when the tool operates at high speed.
Do not use edge grinding wheels / cutting wheels for surface grinding
16 - 30 grit
36 - 80 grit
100 - 120 grit
150 - 180 grit
10
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