BM 1609929H55 1-05 1/5/05 3:17 AM Page 10
Operating Instructions
"TRI-CONTROL" PADDLE SWITCHTO LOCK SWITCH "ON": After paddle switch
The Tri-Control Paddle Switch enables thehas been activated push paddle lever
operator to control the switch functions ofcompletely FORWARD and release paddle
"Lock-OFF", "ON/OFF" and "Lock-ON".lever.
TO UNLOCK SWITCHTO SWITCH TOOL "OFF": Squeeze and
AND TURN TOOL "ON":then release paddle lever. The switch is
spring loaded and will return to "OFF"
Push paddle leverposition automatically.
FORWARD (toward the
spindle) then squeezeHold the tool with both
the paddle lever.hands while starting the tool,!WARNING
since torque from the motor can cause the
TO SWITCH TOOL "OFF": Release pressure
on paddle lever. The switch is spring loadedtool to twist.
and will return to "OFF" positionStart the tool before applying to work and let
automatically.the tool come to full speed before contacting
The "Lock-ON" feature, incorporated into thethe workpiece. Lift the tool from the work
paddle switch, is a convenience for longbefore releasing the switch. DO NOT turn the
switch ON and OFF while the tool is
operations.under load; this will greatly decrease the
switch life.
Sanding Operations
SELECTING SANDING DISCat times both open coat and closed coat
Sanding discs are made of extremely harddiscs are required to get the job done faster.
and sharp aluminum oxide grits, phenol-resinSee chart for application examples.
bonded to a sturdy fiber backing for fast
heavy-duty service and long life. The discsOperation: Refinishing painted wood or metal surfaces.
vary as to size and spacing of the abrasiveREMARKSGRIT
grits. OPEN COAT (type H) used for softTo remove paint and to smoothCoarse
materials and on paint or varnish. CLOSEDsurface irregularities. 16-24-30
COAT (type K) used for metal, hardwood,To smoothMedium
stone, marble and other materials.the rough sanding. 36-50-80
To remove scratches left by Fine
Sanding discs range in grit from 16 (veryprevious discs. 100-120
coarse) to 180 (very fine). To obtain best
results, select sanding discs carefully. ManyTo smooth surfaces for painting, Very Fine
polishing or waxing. 150-180
jobs require the use of several grit sizes and
SANDING TIPSone spot too long. Do not use a circular
For best results, tilt the Disc Sander at a 10motion, as this makes swirl marks. Test
to 15 angle while sanding so that only aboutbefore use on scrap stock.
1" of the surface around the edge of the disc
contacts the work.Do not force or apply pressure when
sanding. Use only the weight of the tool for
If the disc (accessory) is held flat or the backpressure. Excess pressure actually slows the
edge of the disc comes in contact with thetool down. If faster stock removal is desired,
work, a violent thrust to the side may result.change to a coarser grit disc.
If sander is tilted too much, sanding actionRemove gummy paint from metal with an
will be too great and a rough cut surface oropen coat disc. Sand until sparks start to
gouging and snagging will result.appear, then stop and change to a closed
Guide the Disc Sander with crosswisecoat disc to remove any remaining paint.
strokes. Be careful not to hold the sander in
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ACEC
BOSCH
