Testing The Nailer - Hitachi NR 90AD Manuel D'instructions Et De Sécurité

English
○ If the Nailer is already cold, bring it in a warm area
and allow the Nailer to warm up before use.
1 Reduce the air pressure to 64 psi (4.4 bar 4.5 kgf/
cm ).
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2 Remove all nails from the Nailer.
3 Connect the air hose and free-fi re (blank-fi re) the
Nailer.
The lowered air pressure will be enough to free-
fi re the Nailer.
Slow speed operation tends to warm up the
moving part.
CAUTION
● Do not free-fi re the Nailer at high pressure.

TESTING THE NAILER

● Operators and others in work
area
glasses with side shields
which conforms to ANSI Z87.1
specifi cations.
● Never use Nailer unless push lever is
operating properly.
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 service center immediately.
(1) DISCONNECT AIR HOSE FROM NAILER.
REMOVE ALL NAILS FROM NAILER.
□ ALL SCREWS MUST BE TIGHTENED.
If any screws are loose, tighten them.
12
DANGER
MUST wear
WARNING
□ THE PUSH LEVER AND TRIGGER MUST MOVE
SMOOTHLY.
Push Lever
(2) Adjust the air pressure to 70 psi (4.9 bars 5 kgf/cm
Connect the air hose.
Do not load any nails in the Nailer.
Set the switching device to the upward position
safety (SINGLE SEQUENTIAL ACTUATION MECHANISM).
(Set the switching device to the upward position
completely as shown in the diagram. Otherwise, it will
not operate properly.)
□ THE NAILER MUST NOT LEAK AIR.
(3) Remove the fi nger from the trigger and press the
push lever against the workpiece.
□ THE NAILER MUST NOT OPERATE.
Trigger
Do not connect
air hose
Upward position
Switching Device
Do not pull Trigger
Depress Push Lever
).
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