Adjusting Air Pressure - Hitachi NR 90 AC5 Instruction And Safety Manual

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Do not pull Trigger

Nail Feeder (B)

Depress Push Lever

(5) Separate the push lever from the workpiece.

Next, point the nailer downward, pull the trigger and

then wait in that position for 5 seconds or longer.

□ THE NAILER MUST NOT OPERATE.

Pull Trigger

(6) First pull the Nail Feeder (B) backward, and pull the

trigger. Next, depress the push lever against the

workpiece.

□ THE NAILER MUST NOT OPERATE.

(7) 1 Pull the Nail Feeder (B) backward, and without

touching the trigger, depress the push lever

against the workpiece.

Next, pull the Trigger.

□ THE NAILER MUST OPERATE.

If the screw is left, skip (8)

through (10) and proceed from

(11).

→ If the screw is attached, the unit can be

operated in SINGLE SEQUENTIAL ACTUATION

MECHANISM.

(8) Disconnect the air hose.

REMOVE ALL NAILS FROM NAILER.

Remove the hook if it is attached.

→ When the hook is attached, do not operate with

CONTACT ACTUATION MECHANISM.

DO NOT push or rest Push Lever against any surface.

Keep the Nail Feeder

(B) pulled backward.

Screw

DO NOT FORCE OR USE ANY TOOLS TO

OPERATE SWITCH.

Set the switching device to the downward position

(CONTACT ACTUATION MECHANISM).

(Set the switching device to the downward position

completely as shown in the diagram. Otherwise, it will

not operate properly.)

Downward position

(9) Adjust air pressure to 70 psi (4.9 bar 5 kgf/cm

Connect the air hose.

□ THE NAILER MUST NOT LEAK AIR.

(10) With the Nailer oﬀ the wood, pull the Trigger.

Next, depress the Push Lever against the wood.

□ THE NAILER MUST OPERATE.

(11) Next, depress the Push Lever against the workpiece.

Now pull the Trigger.

□ THE NAILER MUST OPERATE.

(12) If no abnormal operation is observed, you may load

nails in the Nailer.

Drive nails into the workpiece that is the same type to

be used in the actual application.

□ THE NAILER MUST OPERATE PROPERLY.