Explanation Of The Nailing Operation - Hitachi NT 65MA2 Technical Data And Service Manual

5-2. Explanation of the Nailing Operation

To meet the requirements of "ANSI SNT-101-2002", the Model NT 65MA2 is equipped with a nailing operation
switching device at the valve section as shown in the figures below. Use SINGLE ACTUATION MECHANISM
(SINGLE SEQUENTIAL ACTUATION MECHANISM) or CONTACT ACTUATION MECHANISM in accordance with
the work to be performed. A FULL SEQUENTIAL ACTUATION MECHANISM KIT (SEQUENTIAL TRIP
MECHANISM KIT) is also available as an option. Each nailing operation is as follows.
SINGLE ACTUATION MECHANISM (SINGLE SEQUENTIAL ACTUATION MECHANISM):
First, press the push lever against the wood; next, pull the trigger to drive the nail. First, pull the trigger; next,
press the push lever against the wood to drive the nail. After nailing once, nailing will not be possible again
until the trigger is released and pressed again.
CONTACT ACTUATION MECHANISM:
First, press the push lever against the wood; next, pull the trigger to drive the nail. First, pull the trigger; next,
press the push lever against the wood to drive the nail. If the trigger is held back, a nail will be driven each
time the push lever is pressed against the wood.
FULL SEQUENTIAL ACTUATION MECHANISM:
First, press the push lever against the wood; next, pull the trigger to drive the nail. Follow the same sequence
to continue driving nails.
SINGLE ACTUATION
MECHANISM
(Switching device:
upward position)
Nailing operation switching device
Switching device
(Change knob)
Switching device
(Change knob)
CONTACT ACTUATION
MECHANISM
(Switching device:
downward position)
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