Dewalt DCN890P2 20V MAX XR Cordless Concrete Nailer Kit

Instruction Manual - Page 13

For DCN890P2. Also, The document are for others Dewalt models: DCN890*

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ENGLISH
11
Fig. I
Actuating the Tool (Fig. A)
WARNING: Always wear proper eye [ANSI Z87.1
(CAN/CSA Z94.3)] and ANSI S12.6 (S3.19) hearing
protection when operatingtool.
The motor rotation speed is automatically restored after
driving a pin to allow fast consecutive nailing.
1. Release the trigger lock-off
2
.
2. Push the contact trip
6
against the worksurface.
3. Pull the trigger switch
1
to actuate thetool.
4. Release the trigger and raise the nailer from the
work surface. NOTE: The tool motor returns to full
speed automatically without the contact trip
6
beingdepressed.
5. Repeat steps 3–5 to actuate the nextnail.
Pin/Fastener Troubleshooting
Properly driven pin Over driven pin
CONCRETE
Pin does not hold in the concrete.
Cause:
- Too hard/high strength
concrete.
- Hard or large aggregate
inconcrete.
Action:
- Use shorter pin.
- Switch to higher power
setting.
Unloading the Tool
WARNING: The trigger lock-off should always be
locked off whenever any adjustments are made or
when tool is not inuse.
1. Slide the spring-loaded pusher latch to the base of the
magazine to lock it intoplace.
2. Tip the tool up until the fastener strip slides freely out of
themagazine.
3. With battery removed, check the nosepiece to verify
there are no pinsremaining.
NOTE: The tool is equipped with a magnet in the nose
area for improved tool performance. When unloading,
always verify that the small sticks of pins are not held to the
magnetized nosepiece.
Power Setting Summary (Fig. H, I)
This nailer is equipped with a power selection switch
3
to
adjust the tool when driving into differentmaterials.
Power setting 1: Softer materials (low strength concrete/
cinder block)
Power setting 2: Medium hardness materials (High strength
concrete)
Power setting 3: Hard materials (Structural Steel)
In the event pins are not driving to depth in power setting1,
you may have to switch to power 2 or 3 for additional
drivingpower.
Fig. H
3
NOTICE: Driving pins into soft materials at high
power settings will cause excessive wear to your
tool and may result in early failures.
Power
Setting
Application Typical Pin Length
1
Fastening Steel/Wood to Low Strength
Concrete/Masonry (<4000 psi)
3/4" to 1" typ.
2
Fastening Steel/Wood to High Strength
Concrete (>4000 psi)
3/4" to 1-1/2" typ.
3
Fastening Steel/Wood to High Strength
Concrete (>4000 psi)
Fastening to structural steel;
2x4 to Concrete
1/2" or 2-1/4"typ.
WARNING: Pins must be driven straight into the
material. Do not tilt nailer while driving fasteners.
Refer to Fig.I. Pin retention values improve when the
tool is fired perpendicular to the material.
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