BM F000622188 12-04 12/10/04 9:27 PM Page 9
Operating Instructions
SLIDE ON-OFF SWITCH WITH LOCKHold the tool with both hands!WARNING
The tool is switched OON� by the switchwhile starting the tool, since
button located at the side of the motortorque from the motor can cause the tool to
housing. The switch can be locked in thetwist.
OON� position, a convenience for longEFC
grinding operations.Model 1348AE only
TO TURN THE TOOL OON� without locking it,The internal electronic feedback system
slide the switch button forward by applyingprovides a "soft start", which will reduce the
pressure ONLY at the REAR portion of thestresses that occur from a high torque start.
button. When pressure is released the switchThe system also helps to keep the no load
button will snap to OOFF� position.speed virtually constant between no-load and
load conditions.
TO LOCK THE SWITCH OON�, slide the
switch button forward and press OIN� theStart the tool before applying to work and let
FRONT portion.the tool come to full speed before contacting
TO UNLOCK THE SWITCH, simply pressthe workpiece. Lift the tool from the work
and release the REAR portion of the button.before releasing the switch. DO NOT turn the
Switch is spring loaded and will snap backswitch OON� and OOFF� while the tool is
automatically.under load; this will greatly decrease the
switch life.
Grinding Operations
SELECTING GRINDING WHEELSGRINDING TIPS
Before using a grindingEfficient grinding is achieved by controlling!WARNING
wheel, be certain that itsthe pressure and keeping the angle between
maximum safe operating speed is notwheel and workpiece at 10! to 15!. If the
exceeded by the nameplate speed of thewheel is flat, the tool is difficult to control. If
grinder. Do not exceed the recommendedthe angle is too steep, the pressure is
wheel diameter.concentrated on a small area causing
DISC GRINDING WHEELSburning to the work surface.
Grinding wheels should be carefully selectedExcessive or sudden
in order to use the grinder most efficiently.pressure on the wheel will!WARNING
Wheels vary in type of abrasive, bond,slow grinding action and put dangerous
hardness, grit size and structure. The correctstresses on the wheel.
type of wheel to use is determined by the job.When grinding with a new wheel be certain
Use disc grinding wheels for fast grinding ofto grind while pulling tool backwards until
structural steel, heavy weld beads, steelwheel becomes rounded on its edge. New
casting, stainless steel and other ferrouswheels have sharp corners which tend to
metals.Obite� or cut into workpiece when pushing
forward.
Sanding Operations
SELECTING SANDING DISCtype H
Sanding discs are made of extremely hardmaterials and on paint or varnish. CLOSED
and sharp aluminum oxide grits, phenol-resintype K
bonded to a sturdy fiber backing for faststone, marble and other materials.
heavy-duty service and long life. The discs
vary as to size and spacing of the abrasive
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ACEC
