Operating Tips N cont.
the wood. Then complete the hole from theBRUSHING PRESSURE
back side.1. Remember, the tips of a wire brush do the
work. Operate the brush with the lightest
DRILLING METAL
pressure so only the tips of the wire come in
There are two rules for drilling hard materials.contact with the work.
First, the harder the material, the greater the
pressure you need to apply to the tool. Second,2. If heavier pressures are used, the wires
the harder the material, the slower the speed.will be overstressed, resulting in a wiping
Here are a couple of tips for drilling in metal.action; and if this is continued, the life of the
Lubricate the tip of the bit occasionally withbrush will be shortened due to wire fatigue.
cutting oil except when drilling soft metals such3. Apply the brush to the work in such a way
as aluminum, copper or cast iron. If the hole tothat as much of the brush face as possible is
be drilled is fairly large, drill a smaller hole first,in full contact with the work. Applying the
then enlarge to the required size, itOs oftenside or edge of the brush to the work will
faster in the long run. Maintain enoughresult in wire breakage and shortened brush
pressure to assure that the bit does not justlife.
spin in the hole. This will dull the bit and greatly
shorten its life.CORRECT: Wire tips doing the work.
DRILLING MASONRY
Soft materials such as brick are relatively easy
to drill. Concrete however, will require much
more pressure to keep the bit from spinning. Be
sure to use carbide tip bits for all masonry work.
Before using an accessory,
be certain that its maximum!WARNING
INCORRECT: Excessive pressure can cause wire breakage.
safe operating speed is not exceeded by the
nameplate speed of the tool. Do not exceed
the recommended wheel diameter.
SANDING AND POLISHING
You will find the OLock-ON� button feature a
convenience for the continuous operation
required for rough sanding. Fine sanding and
RUNNING NUTS AND BOLTS
polishing require Otouch�. Select the most
efficient speed.Variable speed control must be used with
caution for driving nuts and bolts with socket
When using polishing bonnets, alway be sureset attachments. The technique is to start
the excess string that secures the bonnet isslowly, increasing speed as the nut or bolt runs
tucked well within the bonnet during operation.down. Set the nut or bolt snugly by slowing the
drill to a stop. If this procedure is not followed,
WIRE BRUSHES
Work with brushes requires high speeds. Usethe tool will have a tendency to torque or twist
of the OLock-ON� button feature will provide ain your hands when the nut or bolt seats.
much easier operation.
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