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2) remove all nails from the Nailer;
3) supply 5 – 10 drops of Hitachi
pneumatic tool lubricant into the air
plug on the Nailer; and
4) open the petcock on the air compressor
tank to drain any moisture.
ADJUSTING THE NAILING DEPTH
To assure that each nail penetrates to the
same depth, be sure that:
1) the air pressure to the Nailer remains
constant (regulator is installed and
working properly), and
2) the Nailer is always held firmly against
the workpiece.
If nails are driven too deep or shallow into
the workpiece, adjust the nailing in the
following order.
1 DISCONNECT AIR HOSE FROM NAILER.
2 If nails are driven too deep, turn the
adjuster to the shallow side.
If nails are driven too shallow, turn the
adjuster to the deep side.
WARNING
● Keep your finger off the trigger except
during fastening operation, because
serious injury could result if the push
lever accidentally contacts you or
others in work area.
● Keep hands and body away from the
discharge area. This Hitachi nailer may
bounce from the recoil of driving a
fastener and unwanted subsequent
fastener may be driven, possibly
causing injury.
● Some types of loaded nails can spark
out of the muzzle during a nail driving
operation. Exericise caution!
The SINGLE SEQUENTIAL ACTUATION
MECHANISM is for use where precision
fastener placement is desired.
The SINGLE SEQUENTIAL ACTUATION
MECHANISM may reduce the possibility of
bodily injury to you or others in the work
area compared to the CONTACT
ACTUATION MECHANISM. This is because
it is less likely to drive an unwanted nail if
you keep the trigger pulled and accidentally
bump the push lever against yourself or
others.
The SINGLE SEQUENTIAL ACTUATION
MECHANISM may also reduce the speed of
operation compared to the CONTACT
ACTUATION MECHANISM. The SINGLE
SEQUENTIAL ACTUATION MECHANISM is
recommended to inexperienced users.
NOTE:
● If all warnings and instructions are
followed, safe operation is possible with
all two systems: SINGLE SEQUENTIAL
ACTUATION MECHANISM and CONTACT
ACTUATION MECHANISM.
● Always handle nails and package
carefully. If nails are dropped, collating
plastic may be broken.
● After nailing:
1) disconnect air hose from the Nailer;
Adjuster
Disconnect air hose
15
2
Too Deep
Flush
Turn Adjuster
Turn Adjuster
Flush
2
Too Shallow
01Eng_NR90AD(S)_US 11/19/10, 2:16 PM18