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Hitachi NT 65M2 User Manual

Hitachi NT 65M2 User Manual

Finish nailer
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GENUINE PARTS
FINISH NAILER
MODEL NT 65M2 / NT 65M2 (S)
1
Head Valve Spring
2
O-Ring Shown Actual Size
Kit-
FOR USE BY ONLY SERVICE PERSONNEL TRAINED
BY HITACHI, DISTRIBUTOR OR EMPLOYER.
For air leakage or sluggish operation.
Exhaust Cover
Item
Code No.
No.
885-672
1
883-992
2
885-668
3
880-362
4
885-665
5
Head Bumper
885-666
6
Head Valve
3
Cylinder
Cylinder Plate
4
5
Body
IMPORTANT SAFETY INSTRUCTIONS
READ AND UNDERSTAND THIS MANUAL BEFORE DOING REPAIRS.
Only service personnel trained by Hitachi, distributor or employer shall
repair the Nailer.
Use only parts supplied or recommended by Hitachi for repair.
Before doing repairs,
1)WEAR SAFETY GLASSES;
2)DISCONNECT AIR HOSE FROM NAILER; and
Part Name
3)REMOVE ALL NAILS FROM NAILER.
After doing repairs,
Gasket
TEST NAILER PER ITEM No. 11 OF THIS MANUAL BEFORE USE.
O-Ring
If you have any questions regarding repair, use or safety warnings, call a
Hitachi authorized service center.
O-Ring
CAUTION ON REPAIR
O-Ring
Oily or greasy hands can slip easily.
O-Ring
Do not allow dust or foreign matter to enter Nailer.
Cylinder Ring
Do not scratch the O-rings or O-ring contacting surface of any parts.
This will cause air leakage from Nailer.
O-Ring Pick
HOW TO REPAIR
Tube Grease
1. The tools needed for repair are shown
below.
1
Allen Wrench For
M5 Screw
O-Ring Pick
Piston
3. Remove all nails from the Nailer.
3
5. Remove piston and cylinder.
5
Cylinder
7. Using o-ring pick, remove old o-rings.
6
Discard old o-rings.
7
O-Ring Pick
Old O-Ring
8. Wipe body, exhaust cover, head valve, cylinder plate and cylinder with
clean cloth.
Put an adequate amount of grease on shaded area of body, exhaust cover,
head valve, cylinder plate and cylinder. Put an adequate amount of grease on
new o-rings and cylinder ring.
8
Body
Cylinder Plate
9.
Pay attention not to scratch exhaust
DANGER
cover and body when remove old
gasket.
Install new o-rings and cylinder ring as
shown right.
Install cylinder and piston into body.
Make sure that head bumper, head
valve spring and o-ring are properly
placed in head valve.
Install head valve into exhaust cover.
10.
Install new gasket, exhaust cover and
four bolts. Using Allen wrench for M5
screw, tighten four bolts in a staggered
sequence.
11. When reassembled, always conduct following tests in the following order.
If abnormal operation occurs, stop using the Nailer and contact a Hitachi
authorized service center immediately.
[MODEL NT65M2]
(1) DISCONNECT AIR HOSE FROM NAILER.
REMOVE ALL NAILS FROM NAILER.
ALL SCREWS MUST BE TIGHTENED.
If any screws are loose, tighten them.
2. Disconnect the air hose from the
THE PUSH LEVER AND TRIGGER
Nailer.
MUST MOVE SMOOTHLY .
2
(2) Adjust the air pressure to 70 psi. (4.9 bar 5 kgf/cm
Do not load any nails in the Nailer. Set the switching device to the upward
position (SINGLE SEQUENTIAL ACTUATION MECHANISM). (Set the
switching device to the upward position completely as shown in the diagram.
Otherwise, it will not
operate properly.)
4. Using Allen wrench for M5 screw,
THE NAILER MUST
remove four bolts from exhaust cover.
NOT LEAK AIR.
Remove exhaust cover.
(3) Remove the finger from
4
Exhaust Cover
the trigger and press
the push lever against
the wood.
THE NAILER MUST NOT OPERATE.
(4) Separate the push lever from the wood. Next, point the nailer downward, pull
Bolt
the trigger and then wait in that position for 5 seconds or longer.
THE NAILER MUST
6. Remove head valve from exhaust
NOT OPERATE.
cover .
(5) 1 Without touching the
6
Piston
Head Valve
trigger, depress the
Exhaust
Cover
push lever against the
workpiece.
Pull the trigger.
THE NAILER MUST OPERATE.
2 Hold the trigger back while separating the push lever from the wood.
The nailer will remain in operated status (the driver blade will remain at
the bottom). 3 Remove the finger from the trigger.
Nailer operation will end (the driver blade will return to the top).
(6) 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.)
With the Nailer off the workpiece, pull the trigger.
Depress the push lever against the workpiece.
THE NAILER MUST OPERATE.
(7) 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
Exhaust
PROPERLY .
Cover
Head
Valve
Cylinder
9
Head
Bamper
Head Valve
Spring
Head
Valve
Piston
Cylinder
Plate
Cylinder
10
Exhaust Cover
Bolt
11-(1)
Trigger
Do not
connect
Push
air hose
Lever
2
). Connect the air hose.
11-(2)(3)
Do not pull
Trigger
Upward position
Switching
Depress
Device
Push Lever
11-(4)
Upward position
Switching
Pull Trigger
Device
11-(6)
Downward position
Switching
Device

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Summary of Contents for Hitachi NT 65M2

  • Page 1 If you have any questions regarding repair, use or safety warnings, call a 11. When reassembled, always conduct following tests in the following order. Hitachi authorized service center. 885-668 O-Ring If abnormal operation occurs, stop using the Nailer and contact a Hitachi CAUTION ON REPAIR 880-362 O-Ring authorized service center immediately.
  • Page 2 PROPERLY . 12.Change the WARNING LABEL if missing or damaged. Warning A new WARNING LABEL is available from Label a Hitachi authorized service center. Hitachi Koki Co., Ltd. Hitachi Koki Co., Ltd. Code No. C99520212 Code No. C99520212 Printed in Taiwan...

This manual is also suitable for:

Nt 65m2 s