DeWalt DCD790 Manual De Instrucciones página 69

NOTE: Continuous use in variable speed range is not recommended.
It may damage the switch and should be avoided.
Forward/Reverse Control Button (Fig. 2)
A forward/reverse control button (B) determines the direction of the tool
and also serves as a lock-off button.
To select forward rotation, release the trigger switch and depress the
forward/reverse control button on the right side of the tool.
To select reverse, release the trigger switch and depress the forward/
reverse control button on the left side of the tool.
The center position of the control button locks the tool in the OFF
position. When changing the position of the control button, be sure the
trigger is released.
NOTE: The first time the tool is run after changing the direction of
rotation, you may hear a click on start up. This is normal and does
not indicate a problem.
Worklights (Fig. 2)
There are three worklights (G) located around the chuck collar (C). The
worklights are activated when the trigger switch is depressed. When
the trigger is released, the worklight will stay illuminated for up to 20
seconds. If the trigger switch remains depressed, the worklights will
remain on.
NOTE: The worklights are for lighting the immediate work surface and
are not intended to be used as a flashlight.
Quick-Release Chuck (Fig. 2, 5, 6)
WARNING: Use only impact accessories. Non-impact accessories
may break and cause a hazardous condition. Inspect accessory prior
to use to ensure that it con tains no cracks.
NOTE: The chuck accepts 1/4" (6.35 mm) hex accessories and 1"
(25.4 mm) bit tips only.
Place the forward/reverse button (B) in the lock-off (center) position or
remove battery pack before changing accessories.
FIG. 5
C
D
To install an accessory, fully insert the accessory. The accessory is
locked into place (Fig. 5).
To remove an accessory, pull the chuck collar (C) away from the
front of the tool. Remove the accessory (Fig. 6).
Usage
Your impact tool can generate the following maximum torque:
Cat # Ft.-Lbs.
DCF886 125
CAUTION: Ensure fastener and/or system will withstand the level of
torque generated by the tool. Excessive torque may cause breakage
and possible personal injury.
1. Place the accessory on the fastener head. Keep the tool pointed
straight at the fastener.
2. Press switch to start operation. Release switch to stop operation.
Always check torque with a torque wrench, as the fastening torque
is affected by many factors including the following:
11
FIG. 6
C
D
In.-Lbs. Nm
1500 170