DeWalt DWE4020 Instruction Manual page 48

4-1/2" (115 mm) Sanding Flap Discs
Type 27 guard Type 27 guard
backing flange
hubbed sanding
flap disc
non-hubbed sanding
Sanding Discs
threaded clamp nut
rubber backing pad
sanding disc
threaded clamp nut
WARNING: Accessories must be rated for at least the speed
recom mended on the tool warning label. Wheels and other accessories
running over rated accessory speed may burst and cause injury.
Every unthreaded accessory must have a 7/8" arbor hole. If it does
not, it may have been designed for a circular saw and should not be
used. Use only the accessories shown on pages 48–50. Accessory
ratings must be above listed minimum wheel speed as shown on tool
nameplate.
Switches
CAUTION: Hold the side handle and body of the tool firmly to
maintain control of the tool at start up and during use and until the
wheel or accessory stops rotating. Make sure the wheel has come to
a complete stop be fore laying the tool down.
NOTE: To reduce unexpected tool movement, do not switch the
tool on or off while under load conditions. Allow the grinder to run
up to full speed before touching the work surface. Lift the tool from
flap disc
the surface before turning the tool off. Allow the tool to stop rotating
before putting it down.
SLIDER SWITCH (FIG. 5)
WARNING: Before connecting the
tool to a power supply, be sure the
slider switch is in the off position by
pressing the rear part of the switch and
releasing. Ensure the slider switch is in
the off position as described above
after any interruption in power supply
to the tool, such as the activation of a ground fault interrupter, throwing
of a circuit breaker, accidental unplugging, or power failure. If the slider
switch is locked on when the power is connected, the tool will start
unexpectedly.
To start the tool, slide the ON/OFF slider switch (G) toward the front of
the tool. To stop the tool, release the ON/OFF slider switch.
46
FIG. 5
G