DeWalt DWE4559CN instruction manual Trigger Operation with LOCK-ONFEATURE, Spindle Lock Button FIG

TRIGGER OPERATION WITH LOCK-ONFEATURE

To turn tool on, depress trigger. Depress and hold lock-on button (C) while releasing trigger. Lock-on button will remain depressed and tool will remain on.

To turn the tool off, depress and release trigger. The lock-on button will pop out, permitting the trigger to disengage and causing the tool to turn off.

NOTE: Allow the tool to reach full speed before touching tool to work surface. Lift the tool from the work surface before turning the tool off.

CAUTION: Make sure the wheel has come to a complete stop before setting the tool down.

SPINDLE	LOCK BUTTON (FIG. 9)	FIG.9
The spindle lock button (D)is provided to
prevent	the spindle from rotating when	D
installing	or removing wheels.

NOTICE: To reduce the risk of damage to the tool, do not engage the spindle lock button while the tool is operating. Damage to the tool will result and attached accessory may spin off possibly resulting in injury.

To engage the lock, depress the spindle lock button (D)and rotate the spindle until you are unable to rotate the spindle further.

Mounting and Using Depressed Center

Grinding Wheels and Sanding Flap Discs

MOUNTING AND REMOVING HUBBED WHEELS

Hubbed wheels install directly on the 5/8"-- 11 threaded spindle.

1.Thread the wheel on the spindle by hand, seating the wheel against the soft mount.

2.Depress the spindle lock button and use a wrench to tighten the hub of the wheel.

15

3. Reverse the above procedure to remove the wheel.

ACAUTION: Failure to properly seat the wheel against the soft mount before turning the tool on may result in damage to the tool or the wheel.

MOUNTING NON-HUBBED WHEELS	FIG.10
Depressed center, Type 27 grinding wheels
must be used with available accessory flanges.
See the chart on pages 11-13 of this manual
for more information.	Q

1.Install the metal backing flange (Q) on spindle (E) against the soft mount.

2.Place wheel against the backing flange, centering the wheel on the backing flange pilot.

3.While depressing the spindle lock button, thread the clamp nut (R) on spindle, piloting the raised hub on clamp nut in the center of grinding wheel.

4.Tighten the clamp nut with a wrench.

5.Reverse the above procedure to remove the wheel.

SURFACE GRINDING WITH GRINDING WHEELS (FIG. 11}

1.Allow the tool to reach full speed before FIG.11

2.Applytouchingminimumthetool pressureto the workto surfacethework.

surface, allowing the tool to		operate at	.......
high speed. Grinding	rate	is greatest	20°_30°
when the tool operates	at high speed.
			__-_

3. Maintain a 20 ° to 30 ° angle between the tool and work surface.