DeWalt DCG412 Service Manual download pdf (Page 17)

ENGLISH

WARNING: To reduce the risk of

serious personal injury, ALWAYS hold

securely in anticipation of a sudden

reaction.

Proper hand position requires one hand on the side

handle (e), with the other hand on the body of the

tool, as shown in figure 6.

Switch

WARNING: Before using the tool,

check that the handle is tightened

securely.

LOCK-OFF BUTTON AND TRIGGER SWITCH (FIG. 7)

Your cut-off tool is equipped with a lock-off

button(b).

To lock the trigger switch (a), press the lock-off

button as shown in figure 7. When the lock-off

button is depressed to the lock icon, the unit is

locked.

Always lock the trigger switch when carrying or

storing the tool to eliminate unintentional starting.

To unlock the trigger switch, press the lock-off

button (b). When the lock-off button is depressed

to the unlock icon, the unit is unlocked. The lock-off

button is colored red to indicate when the switch is

in its unlocked position.

Pull the trigger switch (a) to turn the motor ON.

Releasing the trigger switch turns the motor OFF.

NOTE: This tool has no provision to lock the switch in

the ON position, and should never be locked ON by

any other means.

WARNING: 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.

WARNING: Allow the tool to reach full

speed before touching tool to the work

surface. Lift the tool from the work

surface before turning the tool off.

Spindle Lock (ﬁg. 1)

The spindle lock (c) is provided to prevent the

spindle from rotating when installing or removing

wheels. Operate the spindle lock only when the tool

is turned off, unplugged from the power supply, and

has come to a complete stop.

NOTICE: To reduce the risk of damage

to the tool, do not engage the spindle

lock 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

rotate the spindle further.

EDGE GRINDING WITH GRINDING WHEELS

WARNING: Wheels used for cutting

and edge grinding may break or

kickback 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. Please refer to

the Grinding and Cutting Accessory

Chart at the end of this section to see

other accessories that can be used with

these grinders.

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. Position yourself so that the open-underside of

the wheel is facing away from you.

4. Once a cut is begun and a notch is established

in the workpiece, do not change the angle of

the cut. Changing the angle will cause the wheel

to bend and may cause wheel breakage. Edge

grinding wheels are not designed to withstand

side pressures caused by bending.

5. Remove the tool from the work surface before

turning the tool off. Allow the tool to stop

rotating before laying it down.

WARNING: Do not use edge grinding/

cutting wheels for surface grinding

applications because these wheels

are not designed for side pressures

encountered with surface grinding.

Wheel breakage and serious personal

injury may result.

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DeWalt DCG412 Service Manual Page 17

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