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8-3. Operation Principle
The operation of the Model NR 83A2 is illustrated and described in Fig. 4 through 7. The circled numbers in the
descriptions correspond to the item numbers shown in the mechanism illustrated in Fig. 3. In Fig. 5 and Fig. 7,
read the descriptions in alphabetical order.
Fig. 4 When the compressed air source (air hose) is connected to the nailer
Air pressure is applied to the lower surface of the flanges
located at the center portion of the Cylinder < 6 >, forcing
the cylinder upward. The compressed air is thereby
blocked from the upper end of the cylinder, and no pressure
is applied to the piston.
The Accumulator < 1 > fills with
compressed air.
The trigger and pushing lever are not
operated, and remain closed.
The exhaust vents are opened and no air pressure is
applied to the valve air passage.
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