DeWalt D28106-XE, Instruction Manual

9

  3.  Depress the spindle lock button and use a wrench to tighten the hub of the wheel. 
  4.  Reverse the above procedure to remove the wheel.

CAUTION:

 Failure to properly seat the wheel before turning the tool on may result in 

damage to the tool or the wheel.

MOUNTING NON-HUBBED WHEELS  

WARNING:

Turn off and unplug the tool before making  

G

D

any adjustments or removing or installing attachments or 

accessories.

 Before reconnecting the tool, turn the switch 

on and off as previously described to ensure that the tool is 

off.
Depressed center Type 27 grinding wheels must be used 

with included flanges. See page 8  of this manual for more 

information.
  1.  Install the unthreaded backing flange (G) on spindle 

H

(D)  with  the  raised  section  (pilot)  against  the  wheel.            

Be sure the backing flange recess is seated onto 

the flats of the spindle by pushing and twisting the 

flange before placing wheel. 

  2.  Place wheel against the backing flange, centering 

the wheel on the raised section (pilot) of the 

backing flange.

  3.  While depressing the spindle lock button, thread the clamp nut (H) on spindle. If 

the wheel you are installing is more than 3.2 mm (1/8") thick, place the threaded 

clamp nut on the spindle so that the raised section (pilot) fits into the center of 

the wheel. If the wheel you are installing is 3.2 mm (1/8") thick or less, place the 

threaded clamp nut on the spindle so that the raised section (pilot) is not against 

the wheel. 

6.35 MM (1/4")

WHEELS

CLAMP NUT

BACKING FLANGE

3.2MM (1/8")

WHEELS

CLAMP NUT

BACKING FLANGE

  4.  While depressing the spindle lock button, tighten the clamp nut with a wrench. 
  5.  To remove the wheel, depress the spindle lock button and loosen the threaded 

clamp nut with a wrench.

NOTE:

 If the wheel spins after the clamp nut is tightened, check the orientation of the 

threaded clamp nut. If a thin wheel is installed with the pilot on the clamp nut against 

the wheel, it will spin because the height of the pilot prevents the clamp nut from 

holding the wheel. 

SURFACE GRINDING WITH GRINDING WHEELS

  1.  Allow the tool to reach full speed before touching the tool to the work surface.
  2.  Apply minimum pressure to the work surface, allowing the tool to operate at high 

speed. Grinding rate is greatest when the tool operates at high speed.

  3.  Maintain a 20

˚

 to 30

˚

 angle between the tool and    

20

˚

-30

˚

work surface.

  4.  Continuously move the tool in a 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.

EDGE GRINDING WITH GRINDING WHEELS

CAUTION:

 Wheels used for cutting and edge grinding      

may break if they bend or twist while the tool is being 

used to do cut-off work or deep grinding. To reduce the 

risk of serious injury, limit the use of these wheels with a 

standard Type 27 guard to shallow cutting and notching 

[less than 13 mm (1/2") in depth]. The open side of the 

guard must be positioned away from the operator. For        

deeper cutting with a Type 1 cut-off wheel, use a closed, 

Type 1 guard. See the chart on page 8 for more 

information. Type 1 guards are available at extra cost from 

your local dealer or authorized service center.
  1.  Allow the tool to reach full speed before touching the 

tool to the work surface.

  2.  Apply minimum pressure to the work surface, allowing the tool to operate at high 

speed. Grinding rate is greatest when the tool operates at high speed.