English
5. Air consumption
Using the Air consumption table and the Air compressor size formula, find a correct compressor size.
Air consumption table
| psi | 80 | 90 | 100 | |
Operating pressure (bar) | (5.5) | (6.2) | (6.9) | ||
| (kgf/cm2) | (5.6) | (6.3) | (7) | |
|
|
|
|
| |
Air consumption | ft3/cycle | .062 | .075 | .088 | |
(ltr/cycle) | (1.7) | (2.1) | (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 (ft3/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.
◯Use Hitachi pneumatic tool lubricant.
Do not use detergent oil or additives. These lubricants will harm the
◯
Keep the lubricator filled 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/cm2).
2Remove all nails from the Nailer.
3Connect the air hose and
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
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.
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.
Trigger
Push Lever 
Do not connect air hose
(2) Adjust the air pressure to 70 psi (4.9 bar 5 kgf/cm2). Connect the air hose.
— 10 —