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Air consumption table
Operating pressure
psi
(bar)
(kgf/cm
2
)
80
(5.5)
(5.6)
90
(6.2)
(6.3)
100
(6.9)
(7)
Air consumption
ft
3
/cycle
(Itr/cycle)
.062
(1.7)
.075
(2.1)
.088
(2.5)
Air compressor size formula
Amount of air required
=number of Nailers
× average nails driven each minute per Nailer
× air consumption at given air pressure
× safety factor (always 1.2)
Example: 2 Nailers operating at 100 psi driving 30
nails per minute
Amount of air required
=2 × 30 × .088 (2.5) × 1.2
=6.3 CFM (ft
3
/min) (180 ltr/min)
After making the calculations as shown above, you
should fi nd a compressor providing 6.3 CFM of air
that is required.
LUBRICATION
It is important that the Nailer be properly lubricated.
Without proper lubrication, the Nailer will not work
properly and parts will wear prematurely.
○
Use Hitachi pneumatic tool lubricant.
Do not use detergent oil or additives. These lubricants
will harm the O-rings and other rubber parts. This will
cause the Nailer to malfunction.
○
Filter-regulator-lubricator units should always be
used.
Keep the lubricator fi lled with Hitachi pneumatic tool
lubricant.
○
If a lubricator is not available, supply 5 – 10 drops of
Hitachi pneumatic tool lubricant into the air plug on
the Nailer twice a day.
COLD WEATHER CARE
○
Do not store the Nailer in a cold weather environment.
Keep the Nailer in a warm area until beginning the
work.
○
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
2
).
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
DANGER
●
Operators and others in work
area MUST wear safety
glasses with side shields
which conforms to ANSI Z87.1
specifi cations.
WARNING
●
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.
□
THE PUSH LEVER AND TRIGGER MUST MOVE
SMOOTHLY.
Push Lever
Trigger
Do not connect
air hose