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Stapler
Side
Lubricator
3. Air hose
Compressed air supply hoses shall have a minimum
working pressure rating equal to or greater than the
pressure from the power source if a regulator fails, or
150 psi (10.4 bar 10.6 kgf/cm
4. Air consumption
Using the Air consumption table and the Air
compressor size formula, fi nd a correct compressor
size.
Air consumption table
psi
Operating pressure
(bar)
(kgf/cm
ft
3
Air consumption
(ltr/cycle)
Air compressor size formula
Amount of air required
=number of Staplers
× average staples driven each minute per Stapler
× air consumption at given air pressure
× safety factor (always 1.2)
Example: 3 Staplers (N5021A) operating at 100 psi
driving 30 staples per minute
Amount of air required
=3 × 30 × .039 (1.1) × 1.2
=4.2 CFM (ft
/min) (119 ltr/min)
3
After making the calculations as shown above, you
should fi nd a compressor providing 4.2 CFM of air
that is required.
LUBRICATION
It is important that the Stapler be properly lubricated.
Without proper lubrication, the Stapler will not work
properly and parts will wear prematurely.
○ Use metabo HPT 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 Stapler to malfunction.
12
Regulator
Compressor
Side
Filter
), whichever is greater.
2
80
90
(5.5)
(6.2)
)
(5.6)
(6.3)
2
/cycle
.028
.032
(.8)
(.9)
○ Filter-regulator-lubricator units should always be
used.
Keep the lubricator fi lled with metabo HPT pneumatic
tool lubricant.
○ If a lubricator is not available, supply 5 – 10 drops of
metabo HPT pneumatic tool lubricant into the air plug
on the Stapler twice a day.
COLD WEATHER CARE
○ Do not store the Stapler in a cold weather
environment.
Keep the Stapler in a warm area until beginning the
work.
○ If the Stapler is already cold, bring it in a warm area
and allow the Stapler to warm up before use.
1 Reduce the air pressure to 64 psi (4.4 bar 4.5
kgf/cm
2 Remove all staples from the Stapler.
3 Connect the air hose and free-fi re (blank-fi re) the
Stapler.
The lowered air pressure will be enough to free-
fi re the Stapler.
100
Slow speed operation tends to warm up the
moving part.
(6.9)
(7)
CAUTION
● Do not free-fi re the Stapler at high pressure.
.039
(1.1)
TESTING THE STAPLER
● Never use Stapler unless push lever is
operating properly.
Before actually beginning the stapling work, test the
Stapler by using the checklist below. Conduct the tests in
the following order.
If abnormal operation occurs, stop using the Stapler
and contact a metabo HPT authorized service center
immediately.
).
2
DANGER
● Operators and others in work
area
MUST
glasses with side shields
which conforms to ANSI Z87.1
specifi cations.
Ordinary eyeglasses do not
●
provide adequate protection.
WARNING
wear
safety
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