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3. Air hose
Air hose must have a minimum working pressure rating of 150 psi (10.4 bar, 10.6 kgf/
cm
2
) or 150% of the maximum pressure produced in the system, whichever is higher.
4. Air consumption
Using the Air consumption table and the Air compressor size formula, find a correct
compressor size.
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: 3 Nailers (NT50AE(S) or NT32AE(S)) operating at 100 psi driving 30 nails per
minute
Amount of air required
= 3
×
30
×
.025 (.73)
×
1.2
= 2.7 CFM (ft
3
/min) (78.8 ltr/min)
After making the calculations as shown above, you should find a compressor
providing 2.7 CFM of air that is required.
LUBRICATION
Without proper lubrication, the Nailer will not work properly and parts will wear prematurely.
䡬
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.
䡬
Filter-regulator-lubricator units should always be used.
Keep the lubricator filled with Hitachi pneumatic tool lubricant.
䡬
If a lubricator is not available, supply 2 – 3 drops of Hitachi pneumatic tool lubricant
into the air plug on the Nailer twice a day.
COLD WEATHER CARE
䡬
Do not store the Nailer in a cold weather environment.
Keep the Nailer in a warm area until beginning the work.
䡬
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 70 psi (4.9 bar, 5.0 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.
psi
80
90
100
Operating pressure
(bar)
(5.5)
(6.2)
(6.9)
(kgf/cm
2
)
(5.6)
(6.3)
(7)
Air consumption
ft
3
/cycle
.019
.023
.025
(ltr/cycle)
(.55)
(.64)
(.73)
Summary of Contents for NT 32AE
Page 68: ...68 NT50AE S ...
Page 70: ...70 NT32AE S ...
