English
11
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 2–4 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.
Pin does not drive deep enough.
Cause:
-
Pin too long.
-
Power setting too low.
Action:
-
Use shorter pin.
-
Switch to higher
power setting.
Pin drives too deep.
Cause:
-
Pin too short for application.
-
Power setting too high.
Action:
-
Use longer pin.
-
Switch to lower
power setting.
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 to Low Strength Concrete/
Masonry (<4000 psi)
3/4" to 1-1/4" typ.
2
Fastening to High Strength Concrete
(>4000 psi)
3/4" to 1" typ.
3
Fastening to High Strength Concrete
(>4000 psi)
Fastening to structural steel;
Fastening through plywood, insulation,
or fixture
1/2" to 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.
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.
Summary of Contents for DCN891
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