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Air consumption table
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 find 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.
⅜ 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.
⅜ Filter-regulator-lubricator units should
always be used.
Keep the lubricator filled with Hitachi
pneumatic tool lubricant.
⅜ 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
⅜ Do not store the Nailer in a cold weather
environment.
Keep the Nailer in a warm area until
beginning the work.
⅜ 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-fire
(blank-fire) the Nailer.
The lowered air pressure will be
enough to free-fire the Nailer.
Slow speed operation tends to warm
up the moving part.
CAUTION:
● Do not free-fire 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
specifications.
WARNING
● Never use Nailer unless push lever is
operating properly.
psi 80 90 100
Operating
(bar) (5.5) (6.2) (6.9)
pressure
(kgf/cm
2
) (5.6) (6.3) (7)
Air ft
3
/cycle .062 .075 .088
consumption (ltr/cycle) (1.7) (2.1) (2.5)
01Eng_NR90AD(S)_US 11/19/10, 2:16 PM12