Nailer Operation; Methods Of Operation - Hitachi NR90AD - Clipped Head to 3-1 Framing Nailer Instruction And Safety Manual

NAILER OPERATION

Read section titled "SAFETY"(pages 4 – 6).
DANGER
WARNING
NEVER point tool at yourself or others in work
area.
Keep fingers AWAY from trigger when not driving
nails to avoid accidental firing.
Choice of triggering method is important.
Please read and understand "Methods of
Operation" below.
Before starting work, check the nailing operation
switching device.
This Hitachi nailer includes a nailing operation
switching device.
Before starting work, make sure that the
switching device is properly set.
If the switching device is not set properly, the
nailer will not operate correctly.
Never place your hands or feet closer than 8
inches (200 mm) from firing head when using.
Do not drive nails on the top of other nails or with
Nailer at too steep of an angle; nails can ricochet
and hurt someone.
Do not drive nails into thin boards or near corners
and edges of workpiece. Nails can be driven
through or away from workpiece and hit
someone.
Never drive nails from both sides of a wall at the
same time. Nails can be driven into and through
the wall and hit a person on the opposite side.
Never use Nailer which is defective or operating
abnormally.
Do not use Nailer as hammer.
Disconnect air hose from Nailer when:
1) it is not in use;
2) leaving work area;
3) moving it to another location; and
4) handing it to another person.
Operators and others in
work area MUST wear
safety glasses with side
shields which conforms to
ANSI Z87.1
specifications.
— 13 —
This Hitachi nailer is equipped with a nailer operation
switching device.
Use SINGLE ACTUATION MECHANISM or CONTACT
ACTUATION MECHANISM in accordance with the work to
be performed.
Explanation of the various nailing operations
SINGLE ACTUATION MECHANISM (SINGLE
SEQUENTIAL ACTUATION MECHANISM): First, press
the push lever against the workpiece; next, pull the
trigger to drive the nail.
First, pull the trigger; next, press the push lever against
the workpiece to drive the nail.
After nailing once, nailing will not be possible again
until the trigger is released and pressed again.
CONTACT ACTUATION MECHANISM: First, press the
push lever against the workpiece; next, pull the trigger
to drive the nail.
First, pull the trigger; next, press the push lever against
the workpiece to drive the nail.
If the trigger is held back, a nail will be driven each
time the push lever is pressed against the workpiece.

METHODS OF OPERATION

This Nailer is equipped with the push lever and does not
operate unless the push lever is depressed (upward
position).
There are two methods of operation to drive nails with this
Nailer.
They are:
1. Intermittent operation (Trigger fire):
2. Continuous operation (Push lever fire):
(1) Intermittent operation (Trigger fire)
Use the SINGLE ACTUATION MECHANISM setting.
WARNING
For intermittent operation, set the switching
device to the upward position completely. (i.e. Set
to SINGLE ACTUATION MECHANISM.)
To avoid double firing or accidental firing due to
recoil.
1) Set the switching device to SINGLE
ACTUATION MECHANISM.
2) Pull the trigger rapidly and firmly.
1 Set the switching device to the upward position (to
set to SINGLE ACTUATION MECHANISM).
(Set the switching device to the upward position
completely as shown in the diagram. Otherwise, it
will be set to CONTACT ACTUATION
MECHANISM.)
2 Position the nail outlet on the workpiece with
finger off the trigger.
3 Depress the push lever firmly until it is completely
depressed.
4 Pull the trigger to drive a nail.
5 Remove finger from the trigger.
To continue nailing in a separate location, move the
nailer along the wood, repeating steps 2 - 5 as
required.
English