Hitachi NR 90AD Manuel D'instructions Et De Sécurité page 13

Before actually beginning the nailing work,
test the Nailer by using the checklist below.
Conduct the tests in the following order.
If abnormal operation occurs, stop using the
Nailer and contact a Hitachi authorized serv-
ice center immediately.
(1) DISCONNECT AIR HOSE FROM NAILER.
REMOVE ALL NAILS FROM NAILER.
ALL SCREWS
TIGHTENED.
If any screws are loose, tighten
them.
THE PUSH LEVER AND TRIGGER
MUST MOVE SMOOTHLY.
Trigger
Push Lever
(2) Adjust the air pressure to 70 psi (4.9 bars
2
5 kgf/cm ).
Connect the air hose.
Do not load any nails in the Nailer.
MUST BE
(3) Remove the finger from the trigger and
(4) Separate the push lever from the
Do not connect
air hose
Set the switching device to the upward
position (SINGLE
MECHANISM).
(Set the switching device to the upward
position completely as shown in the
diagram. Otherwise, it will not operate
properly.)
Upward position
THE NAILER MUST NOT LEAK AIR.
press the push lever against the
workpiece.
THE NAILER MUST NOT OPERATE.
workpiece.
Next, point the nailer downward, pull the
trigger and then wait in that position for
5 seconds or longer.
THE NAILER MUST NOT OPERATE.
Pull Trigger
English
ACTUATION
Switching Device
Do not pull Trigger
Depress Push Lever
13