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theanglewillcausethewheeltobendandmaycausewheel
breakage.Edgegrindingwheelsarenotdesignedtowithstand
sidepressurescausedbybending.
5.Removethetoolfromtheworksurfacebeforeturningthetooloff.
Allowthetooltostoprotatingbeforelayingitdown.
i_WARNING: Do not use edge grinding/cutting wheels for surface
grinding applications if the wheel label has forbidden such use
because these wheels are not designed for side pressures
encountered with surface grinding. Wheel breakage and serious
personal injury may result.
SURFACE FINISHING WITH SANDING FLAP DISCS (FIG. 12)
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. FIG.12
3. Maintain a 5° to 10 ° angle between
the tool and work surface.
4. Continuously move the tool in a ....._i0 °
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.
MOUNTING SANDING BACKING PADS (FIG. 1, 13)
NOTE: Use of a guard with sanding discs that use backing pads,
often called fiber resin discs, is not required. Since a guard is not
required for these accessories, the guard may or may not fit correctly
if used.
_ WARNING: Proper guard must be reinstalled for grinding wheel,
cutting wheel, sanding flap disc, wire brush or wire wheel applications
after sanding applications are complete.
1. Place or appropriately thread backing pad (O) on the spindle.
2. Place the sanding disc (P) on the backing pad (O).
3. While depressing spindle lock (D), thread clamp nut (Q) on spindle,
piloting the raised hub on the clamp FIG. 13
nut into the center of sanding disc Q
and backing pad.
4. Tighten the clamp nut by hand. Then
depress the spindle lock button p
while turning the sanding disc until
the sanding disc and clamp nut are
snug.
5. To remove the wheel, grasp and O
turn the backing pad and sanding
pad while depressing the spindle
lock button.
USING SANDING BACKING PADS
(FIG. 14)
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 16-30 grit
Medium 36-80 grit
Fine Finishing 100-120 grit
Very Fine Finishing 150-180 grit
15
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