Operation; Maintenance - DeWalt DC830 Instruction Manual

• Do not incinerate the battery pack even if it
is severely damaged or is completely worn
out. The battery pack can explode in a fire.
• A small leakage of liquid from the battery
pack cells may occur under extreme usage
or temperature conditions . This does not
indicate a failure.
However, if the outer seal is broken:
a. and the battery liquid gets on your skin,
immediately wash with soap and water for
several minutes.
b. and the battery liquid gets into your eyes,
flush them with clean water for a minimum
of 10 minutes and seek immediate medical
attention. (Medical note: The liquid is
25-35% solution of potassium hydroxide.)
Battery Cap (fig. 3)
A protective battery cap is supplied to cover the
contacts of a detached battery pack. Without the
protective cap in place, loose metal objects could
short circuit the contacts, causing a fire hazard and
damaging the battery pack.
1. Take off the protective battery cap before
placing the battery pack in the charger
or tool (Fig. 3A).
2. Place the protective cap over the contacts
immediately after removing the battery pack
from the charger or tool (Fig. 3B).
WARNING: Make sure the protective
battery cap is in place before storing or
carrying a detached battery pack.
Battery pack (fig. 1)
BATTERY TYPE
The DC830, DC835, operate on
14.4 volt battery packs.
The DC840 and DC845 operate on 12 volt battery
packs.
Labels on charger and battery pack
Battery charging.
Battery charged.
Battery defective.
Hot/cold pack delay.
Do not probe with conductive objects.
Do not charge damaged battery packs.
Use only with D WALT battery packs,
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others may burst, causing personal injury
and damage.
Do not expose to water.
Have defective cords replaced
immediately.
Charge only between 4 °C and 40 °C.
Discard the battery pack with due care for
the environment.
Do not incinerate the battery pack
NiMH, NiCd+ and Li-Ion.
Charges NiMH and NiCd
battery packs.
Package contents
The package contains:
1 Cordless Impact Driver/Wrench
2 Battery packs
1 Charger
1 Instruction manual
NOTE : Battery packs and chargers are not included
with N-models.
• Check for damage to the tool, parts or
accessories which may have occurred during
transport.
• Take the time to thoroughly read and
understand this manual prior to operation.
Description (fi g. 1–5)
INTENDED USE
These heavy-duty impact wrenches/drivers are
designed for professional impact screwdriving
applications.
The impact function makes this tool particularly
useful for driving fasteners in wood, metal and
concrete.
DO NOT use under wet conditions or in presence of
flammable liquids or gases.
a. Trigger switch
b. Forward/reverse button
c. Sleeve
d. hex quick-release chuck
e. Detent pin
f. Anvil
g. Worklight
h. Battery pack
i. Battery release buttons
Inserting and removing the
battery pack from the tool (fi g. 2)
TO INSTALL BATTERY PACK INTO THE TOOL
1. Align the base of the tool with the notch inside
the tool' s handle (Fig. 2).
TO REMOVE BATTERY PACK FROM THE TOOL
1. Press the battery release buttons (i) and firmly
pull the battery pack out of the tool handle.

OPERATION

Variable Speed Trigger Switch (fig. 1)
To turn the tool on, squeeze the trigger switch (a).
To turn the tool off, release the trigger switch.
Your tool is equipped with a brake. The chuck will
stop as soon as the trigger switch is fully released.
NOTE: Continuous use in variable speed range is
not recommended. It may damage the switch and
should be avoided.
Worklight (fi g. 1)
There is a worklight (g) located just above the trigger
switch (a). The worklight will be activated when the
trigger switch is squeezed.
Forward/Reverse Control Button (fig. 1)
To select forward rotation,
switch and depress the forward/reverse control
button on the right side of the tool.
To select reverse,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.
Quick-Release Chuck (fi g. 4)
DC835, DC845 Drivers
Place the switch in the locked off (center) position or
remove battery pack before changing accessories.
To install an accessory, pull the chuck collar (c)
away from the front of the tool, insert the accessory
and release the collar. The accessory is locked in
place.
To remove an accessory, pull the chuck collar
away from the front of the tool. Remove the
accessory and release the collar.
Anvil With Detent Pin (fig. 5)
DC830 , DC840 Wrenches
Place the switch in the locked off (center) position or
remove battery pack before changing accessories.
To install a socket on the anvil, align the hole in
the side of the socket with the detent pin (e) on the
anvil (f). Press the socket on until the detent pin
engages in the hole. Depression of detent pin may
be necessary to aid installation of socket.
CAUTION: Use only impact sockets.
Non-impact sockets may break and
cause a hazardous condition. Inspect
sock et prior to use to ensure that it
Usage
Your impact tool generates the following output
torque:
Cat # Ft.-Lbs. In.-Lbs.
DC830 135 1620
DC835 103 1240
DC840 120 1440
DC845 96 1150
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.
WARNING: To reduce the risk of
serious personal injury, turn tool off
and disconnect battery pack before
making any adjustments or removing/
installing attachments or accessories.
An accidental start-up can cause injury.

MAINTENANCE

Your D WALT power tool has been designed to
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operate over a long period of time with a minimum
of maintenance. Continuous satisfactory operation
depends upon proper tool care and regular cleaning.
CHARGER CLEANING INSTRUCTIONS
WARNING: Shock hazard. Disconnect
the charger from the AC outlet before
cleaning. Dirt and grease may be
removed from the exterior of the charger
using a cloth or soft non-metallic brush.
Do not use water or any cleaning
solutions.
Separate collection. This product must
not be disposed of with normal
household waste.
Rechargeable Battery Pack
This long life battery pack must be recharged when
it fails to produce sufficient power on jobs which
were easily done before. At the end of its technical
life, discard it with due care for our environment:
Nm
180
140
160
130