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NT 65M2 (S)

Hitachi NT 65M2, NT 65M2 S User Manual

11-(6)
Switching Device
Downward position
11-(4)
Switching Device
Pull Trigger
Upward position
11-(1)
Trigger
Push Lever
Exhaust Cover
Bolt
10
11-(2)(3)
Do not pull Trigger
Depress Push Lever
Switching Device
Upward position
9
Head Valve Spring
Head Valve
Piston
Cylinder
Head Bamper
Cylinder Plate
2
1
Allen Wrench For M5 Screw
O-Ring Pick
Bolt
Exhaust Cover
4
Cylinder
Piston
6
Head Valve Exhaust Cover
7
O-Ring Pick
Old O-Ring
8
Body
Cylinder Plate
Head Valve
Exhaust Cover
Cylinder
3
5
For air leakage or sluggish operation.
FOR USE BY ONLY SERVICE PERSONNEL TRAINED BY HITACHI, DISTRIBUTOR OR EMPLOYER.
FINISH NAILER MODEL NT 65M2 / NT 65M2 (S)
Item No.
1 885-672 Gasket 2 883-992 O-Ring 3 885-668 O-Ring 4 880-362 O-Ring 5 885-665 O-Ring 6 885-666 Cylinder Ring   O-Ring Pick  Tube Grease
Code No. Part Name
O-Ring Shown Actual Size
GENUINE PARTS
Body
6
Cylinder Plate
Cylinder
Piston
Exhaust Cover
Head Valve Spring
Head Valve
1
Head Bumper
2
3
5
4
Kit-
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
3)REMOVE ALL NAILS FROM NAILER. After doing repairs, TEST NAILER PER ITEM No. 11 OF THIS MANUAL BEFORE USE. If you have any questions regarding repair, use or safety warnings, call a Hitachi authorized service center.
CAUTION ON REPAIR
Oily or greasy hands can slip easily.
Do not allow dust or foreign matter to enter Nailer.
Do not scratch the O-rings or O-ring contacting surface of any parts. This will cause air leakage from Nailer.
DANGER
Pay attention not to scratch exhaust 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.
9.
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.
[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. THE PUSH LEVER AND TRIGGER MUST MOVE SMOOTHLY.
(2) Adjust the air pressure to 70 psi. (4.9 bar 5 kgf/cm2). Connect the air hose. 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.) THE NAILER MUST NOT LEAK AIR. (3) Remove the finger from 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 the trigger and then wait in that position for 5 seconds or longer. THE NAILER MUST NOT OPERATE. (5) 1Without touching the trigger, depress the push lever against the workpiece. Pull the trigger. THE NAILER MUST OPERATE. 2Hold 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). 3Remove 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 PROPERLY.
IMPORTANT SAFETY INSTRUCTIONS
HOW TO REPAIR
Install new gasket, exhaust cover and four bolts. Using Allen wrench for M5 screw, tighten four bolts in a staggered sequence.
10.
7.
Using o-ring pick, remove old o-rings. Discard old o-rings.
6.
Remove head valve from exhaust cover .
5.
Remove piston and cylinder.
3.
Remove all nails from the Nailer.
1.
The tools needed for repair are shown below.
2.
Disconnect the air hose from the Nailer.
4.
Using Allen wrench for M5 screw, remove four bolts from exhaust cover. Remove exhaust cover.
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.
11-(6)
Switching Device
11-(4)
11-(1)
Trigger
Push Lever
11-(2)(3)
Do not pull Trigger
Depress Push Lever
Switching Device
Upward position
Switching Device
Upward position
Pull Trigger
Downward position
Warning Label
12
Printed in Taiwan
Code No. C99520212
206
Hitachi Koki Co., Ltd.
Printed in Taiwan
Code No. C99520212
206
Hitachi Koki Co., Ltd.
[MODEL NT65M2 (S)] (1) DISCONNECT AIR HOSE FROM NAILER. REMOVE ALL NAILS FROM NAILER. ALL SCREWS MUST BE TIGHTENED. If any screws are loose, tighten them. THE PUSH LEVER AND TRIGGER MUST MOVE SMOOTHLY.
(2) Adjust the air pressure to 70 psi. (4.9 bar 5 kgf/cm2). Connect the air hose. 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.) THE NAILER MUST NOT LEAK AIR. (3) Remove the finger from 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 the trigger and then wait in that position for 5 seconds or longer. THE NAILER MUST NOT OPERATE. (5) 1Without touching the trigger, depress the push lever against the workpiece. Pull the trigger. THE NAILER MUST OPERATE. 2Removethe 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 PROPERLY.
12.Change the WARNING LABEL if missing or damaged. A new WARNING LABEL is available from a Hitachi authorized service center.
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