Operation; Dry Fire Lock Out; To Install The Battery Pack Into The Tool Handle; Utility Hook - DeWalt DCN890 Original Instructions Manual

• This product is not intended for use by persons (including
children) suffering from diminished physical, sensory or
mental abilities; lack of experience, knowledge or skills
unless they are supervised by a person responsible for their
safety. Children should never be left alone with this product.

Dry Fire Lock Out

The concrete nailer is equipped with a dry fire lockout which
prevents the tool from actuating when the magazine is nearly
empty. When 3 pins remain in the magazine, the tool ceases
to operate. Refer to Loading the Tool to reload a stick of
collated pins.
ASSEMBLY AND ADJUSTMENTS

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.

WARNING: Use only D
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Inserting and Removing the Battery Pack
from the Tool (Fig. B)
nOTE: Make sure your battery pack
To Install the Battery Pack into the Tool
Handle
1. Align the battery pack
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handle (Fig. B).
2. Slide it into the handle until the battery pack is firmly seated
in the tool and ensure that you hear the lock snap into place.
To Remove the Battery Pack from the Tool
1. Press the release button
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out of the tool handle.
2. Insert battery pack into the charger as described in the
charger section of this manual.
Fuel Gauge Battery Packs (Fig. B)
Some D WALT battery packs include a fuel gauge which
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consists of three green LED lights that indicate the level of
charge remaining in the battery pack.
To actuate the fuel gauge, press and hold the fuel gauge button.
A combination of the three green LED lights will illuminate
designating the level of charge left. When the level of charge
in the battery is below the usable limit, the fuel gauge will not
illuminate and the battery will need to be recharged.
nOTE: The fuel gauge is only an indication of the charge left on
the battery pack. It does not indicate tool functionality and is
subject to variation based on product components, temperature
and end-user application.
Utility Hook (Fig. C)
The D WALT cordless nailers include an integrated utility
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hook and can be attached to either side of the tool to
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accommodate left- or right-handed users.
If the hook is not desired at all, it can be removed from the tool.
WALT battery packs and chargers.
is fully charged.
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with the rails inside the tool's
and firmly pull the battery pack
To Remove Utility Hook
1. Remove battery pack from tool.
2. To switch the tool from right- to left-hand usage simply
remove the screw 17 from the opposite side of the tool and
reassemble on the other side.
3. Replace battery pack.

WARNING: Remove pins from magazine before making
any adjustments or servicing this tool. Failure to do so may
result in serious injury.

WARNING: Disconnect battery pack from tool before
making any adjustments, changing accessories, servicing,
or moving the tool. Such preventative safety measures
reduce the risk of starting the tool accidentally.

CAUTION: When not in use, place tool on its side on
a stable surface where it will not cause a tripping or
falling hazard. Some tools with large battery packs will
stand upright on the battery pack but may be easily
knocked over.

OPERATION

Instructions for Use

WARNING: Always observe the safety instructions and
applicable regulations.

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.

WARNING: Read the section titled nailer safety
Warnings at the beginning of this manual. Always wear
eye and ear protection when operating this tool. Keep the
nailer pointed away from yourself and others. For safe
operation, complete the following procedures and checks
before each use of the nailer.
1. Wear proper eye, hearing and respiratory protection.
2. Remove battery pack from tool.
3. Lock the pusher 15 in the back position and remove all pins
from the magazine.
4. Check for smooth and proper operation of contact trip
and pusher latch. Do not use tool if either assembly is not
functioning properly. nEVER use a tool that has the contact
trip restrained in the up position.
5. nEVER use a tool that has damaged parts.

WARNING: To reduce the risk of personal injury,
disconnect battery pack from tool before performing
maintenance, clearing a jammed pin, leaving work area,
moving tool to another location or handing the tool to
another person.
Proper Hand Position (Fig. D)

WARNING: To reduce the risk of serious personal injury,
ALWAYS use proper hand position as shown.
English
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