Explanation Of The Nailing Operation - Hitachi NR 83AA3 Technical Data And Service Manual

5-2. Explanation of the Nailing Operation

To meet the requirements of "ANSI SNT-101-2002", the Model NR 83AA3 is equipped with a nailing operation
switching device 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.
(Valve Sleeve (A)) (Valve Sleeve (A))
--- 3 ---