DeWalt DCN891, Instruction Manual

Page: 11 / 60

English
9
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 unit off and remove the battery pack
before making any adjustments or removing/
installing attachments or accessories.
An
accidental start-up can cause injury.
Utility Hook (Fig. A, D)
The D
e
WALT cordless nailers include an integrated utility
hook 4 and can be attached to either side of the tool to
accommodate left- or right-handed users.
If the hook is not desired at all, it can be removed from
the tool.
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 re attache the utility hook 4 on the other side.
3. Replace battery pack.
Fig. D
17
WARNING: Remove pins from magazine before
making any adjustments or servicing this tool. Failure
to do so may result in serious injury.
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
WARNING: To reduce the risk of serious personal
injury, turn unit off and remove the 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.
• Wear proper eye, hearing and
respiratory protection.
• Remove battery pack from tool.
• Lock the pusher in the back position and remove
all pins from the magazine.
• Check for smooth and proper operation of
contact trip and pusher assemblies. 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.
• 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.
Installing and Removing the Battery Pack
(Fig. A)
nOTE: For best results, make sure your battery pack is
fully charged.
To install the battery pack
10
into the tool handle, align the
battery pack with the rails inside the tool’s handle and slide
it into the handle until the battery pack is firmly seated in
the tool and ensure that it does not disengage.
To remove the battery pack from the tool, press the release
button
11
and firmly pull the battery pack out of the tool
handle. Insert it into the charger as described in the charger
section of this manual.
Proper Hand Position (Fig. E)
WARNING: To reduce the risk of serious personal injury,
ALWAYS
use proper hand position as shown.
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 main handle
as shown in Fig. E.
Fig. E
Preparing the Tool
NOTICE: NEVER spray or in
any other way apply lubricants
or cleaning solvents inside the