Methods Of Operation - Hitachi NR 90 AC5 Instruction And Safety Manual

Push Lever Stopper
Push Lever
CAUTION
● Use caution not to throw the push lever tip onto
wood and the like while the push lever stopper is
in the upper part of the push lever.

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 fi re):
2. Continuous operation (Push lever fi re):
How to Remove the screw
• When shipped, the tool's drive mode is locked
to SINGLE
MECHANISM with the screw.
• By removing the screw as shown below, the tool
can be switched between SINGLE SEQUENTIAL
ACTUATION and CONTACT ACTUATION.
● When removing the screw, disconnect the air
hose from the tool and remove all nails.
● Please be warned that the once the screw
is removed, the SINGLE SEQUENTIAL
ACTUATION and CONTACT ACTUATION
switch function will be activated.
• Remove the screw with the screwdriver as shown
below.
5
SEQUENTIAL ACTUATION
WARNING
CAUTION
● The screw should be discarded after removal.
(1) Intermittent operation (Trigger fi re)
Use the SINGLE SEQUENTIAL ACTUATION
MECHANISM setting.
● For intermittent operation, set the switching
device to the upward position completely.
(i.e. Set to SINGLE SEQUENTIAL ACTUATION
MECHANISM.)
● To avoid double fi ring or accidental fi ring due
to recoil.
1) Set the switching device to SINGLE
SEQUENTIAL ACTUATION MECHANISM.
2) Pull the trigger rapidly and fi rmly.
1 Follow the steps below to set up the SINGLE
SEQUENTIAL ACTUATION MECHANISM (as
shown in the diagrams that follow).
● Disconnect the air hose and remove all nails.
● Do not depress the push lever.
● Do not apply any unnecessary pressure or
use any tools to move the switch.
1) If the screw is left proceed from 3).
2) Set the switching device to the upward
position (to set to SINGLE SEQUENTIAL
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.)
3) Make sure that the switching device is in its
proper position as shown in the diagram.
(If not, the tool may be set in the CONTACT
ACTUATION MECHANISM.)
2 Position the nail outlet on the workpiece with
fi nger off the trigger.
3 Depress the push lever fi rmly until it is completely
depressed.
4 Pull the trigger to drive a nail.
5 Remove fi nger from the trigger.
To continue nailing in a separate location, move the
nailer along the wood, repeating steps 2 – 5 as
required.
English
WARNING
WARNING
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