Nailer Operation; Preventive Mechanism For Unloaded Operation - Hitachi NR 90 AC5 Instruction And Safety Manual

English

NAILER OPERATION

Read section titled "SAFETY"(pages 4 – 8).
● Operators and others in work
area
glasses with side shields
which conforms to ANSI Z87.1
specifi cations.
Ordinary eyeglasses do not
provide adequate protection.
● Only person who have read
and understand this MANUAL
should operate the Nailer.
● NEVER point tool at yourself
or others in work area.
● Keep fi ngers AWAY from
trigger when not driving nails
to avoid accidental discharge.
● Know and understand what trigger system you
are using.
Please read and understand "Methods of
Operation" below.
● Inspect the Nailer before operating to determine
actuation system.
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 body closer than 8
inches (200 mm) from fi ring head when using.
● Do not drive nails into other nails; nails can
ricochet and hurt someone.
● Do not actuate Nailer unless Nailer is placed
fi rmly against the workpiece.
● When working close to an edge of a workpiece
or at steep angles, or driving fasteners into
thin workpiece use care to minimize chipping,
splitting or splintering, or free fl ight, ricochet or
piercing of fasteners, which may cause injury.
● 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.
16
DANGER
MUST wear
WARNING
● 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) elevating, lowering or otherwise moving it to
another location;
safety
4) handing it to another person;
5) When removing the screw.
6) changing switching device;
7) performing any maintenance or repairs;
8) clearing a jam;
9) Nailer is outside of the operator's supervision
or control;
10) removing nails from the magazine; and
11) adjusting nailing depth;
12) When installing or removing the hook
13) When affi xing the hook
This Hitachi nailer is equipped with a nailer operation
switching device.
Use SINGLE SEQUENTIAL ACTUATION MECHANISM or
CONTACT ACTUATION MECHANISM in accordance with
the work to be performed.
Explanation of the various nailing operations
○ SINGLE SEQUENTIAL ACTUATION MECHANISM:
First, press the push lever against the workpiece;
next, pull the trigger 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. Or,
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.
PREVENTIVE
UNLOADED OPERATION
The machine employs a preventive mechanism for
unloaded operation.
The machine enters a state where the push lever stopper
runs into the upper part of the push lever and the push
lever cannot be pushed up. This takes place when the
magazine is not loaded with nails or when the remaining
number of nails becomes less than 5 (This diff ers by the
type of nail).
Load the nails immediately if you come across with such a
condition during operation.
MECHANISM
Screw
FOR