DeWalt DCN660NT - Nailer Operation Modes; Sequential and Bump Action; Clearing Jams & Maintenance; Clearing Jammed Nails

13
ENGLISH
Troubleshooting
If your tool seems not to operate properly, follow the
instructions below. If this does not solve the problem, please
contact your repairagent.
Tool does notwork.
Worklights do not switchon.
Check trigger lock off is notengaged.
• Check battery power level (See Fuel Gauge Battery Packs
section of this manual).
• Remove the battery pack, wait for at least 5 seconds, then
re-insertit.
Worklights are on but motor does notrun.
• Ensure both the contact trip and trigger are released and
then actuate only contacttrip.
• Check the mode selector switch (DCN660 Only)
• Check battery power level (See Fuel Gauge Battery Packs
and Low Battery Indicator section of this manual).
Worklights are on, motor runs, tool does not drive
fasteners atall.
• Check the mode selector switch (DCN660 Only)
• Check that correct type of fasteners are loaded in to the
magazine and that the pusher is pushing thefastener.
• Check for fault indicator lights (replace battery or clear a
jam if necessary (See Low Battery Indicator and Clearing a
Stall or Jammed Nail section of this manual).
• Check that the contact trip and nail pusher movement is
free (See Preparing the tool section of this manual).
NOTE: The stall release lever should be used to reset the
mechanism. The Trigger Lock Off may also need to be
Optional Accessories

WARNING: Since accessories, other than those offered
by DEWALT, have not been tested with this product, use
of such accessories with this tool could be hazardous.
To reduce the risk of injury, only DEWALT recommended
accessories should be used with thisproduct.
Consult your dealer for further information on the
appropriateaccessories.
D
Cleaning

WARNING: Blow dirt and dust out of the main housing
with dry air as often as dirt is seen collecting in and around
the air vents. Wear approved eye protection and approved
dust mask when performing thisprocedure.

WARNING: Never use solvents or other harsh chemicals
for cleaning the non‑metallic parts of the tool. These
chemicals may weaken the materials used in these parts.
Use a cloth dampened only with water and mild soap.
Never let any liquid get inside the tool; never immerse any
part of the tool into aliquid.
C
Lubrication
Your power tool requires no additionallubrication.
MAINTENANCE
Your power tool has been designed to operate over a long
period of time with a minimum of maintenance. Continuous
satisfactory operation depends upon proper tool care and
regularcleaning.

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.
The charger and battery pack are notserviceable.
1. Use the mode selector switch
10
to select the bump
actionmode.
2. Release the trigger lock-off
13
.
3. To drive a single nail, operate the tool as described for
sequential action:
a. Push the contact trip
2
against the worksurface.
b. Pull the trigger switch
1
to actuate thetool.
4. To drive several nails, depress and hold the trigger
switch
1
, and then push the contact trip
2
repeatedly
against the work surface. Each time the contact trip
2
is
depressed whilst the trigger
1
is held, a nail willfire.

WARNING: Do not keep the trigger depressed when the
tool is not in use. Keep the trigger lock‑off
13
in the locked
position to prevent accidental actuation when the tool is
not inuse.
Clearing a Stall or Jammed Nail
(Fig. A, G, H)
If a nail becomes jammed in the nosepiece or the tool stalls, the
right-hand worklight
5
will blinkcontinuously.
1. Engage the trigger lock-off
13
.
2. Remove the battery pack
15
and all nails from
themagazine.
3. Release the jam clearing latch
3
on top of the nosepiece
and open the inspectiondoor.
4. Remove the jammed nail, using pliers if necessary. If
a jammed nail is not visible, it could be that the tool
hasstalled.
5. Cycle stall release lever
4
to return driver blade ifnecessary.
6. Close the inspection door and engage the latch pin under
the two arms
17
on the nosepiece. Lower and lock the jam
clearinglatch.
If nails become jammed in the nosepiece frequently, have the
tool serviced by an authorised DEWALT servicecentre.