Instruction Manual
Page 3
...PRECAUTIONS IN SALES PROMOTION 7 7-1. Regrinding the Driver Blade ...16 9-3. INSPECTION AND CONFIRMATION AFTER REASSEMBLY 28 12. Nail Selection ...4 5-4. MECHANISM AND OPERATION PRINCIPLE 8 8-1. Mechanism ...8 8-2. DISASSEMBLY AND REASSEMBLY 19 10-1. Disassembly and Reassembly...Instruction Manual ...7 7-2. Operation Principle ...11 9. TROUBLESHOOTING GUIDE ...14 9-1. Disassembly and Reassembly of the Nailing Operation 3 5-3. Disassembly and Reassembly of Nail Use ...4 5-5. APPLICATIONS ...1 4. Related Laws and Regulations ...8 8. Examples of the Cap and ...
...PRECAUTIONS IN SALES PROMOTION 7 7-1. Regrinding the Driver Blade ...16 9-3. INSPECTION AND CONFIRMATION AFTER REASSEMBLY 28 12. Nail Selection ...4 5-4. MECHANISM AND OPERATION PRINCIPLE 8 8-1. Mechanism ...8 8-2. DISASSEMBLY AND REASSEMBLY 19 10-1. Disassembly and Reassembly...Instruction Manual ...7 7-2. Operation Principle ...11 9. TROUBLESHOOTING GUIDE ...14 9-1. Disassembly and Reassembly of the Nailing Operation 3 5-3. Disassembly and Reassembly of Nail Use ...4 5-5. APPLICATIONS ...1 4. Related Laws and Regulations ...8 8. Examples of the Cap and ...
Instruction Manual
Page 4
MARKETING OBJECTIVE The new Model NT 65MA3 finish nailer is a minor-changed version of window and door casings For cabinet-making, furniture-making and woodworking 4. SELLING POINTS Exhaust direction easily changeable Capable of cleaning ... Installation of molding, paneling and stairways Assembling of the current Model NT 65MA2. Primary differences from the Model NT 65MA2 are described below. PRODUCT NAME Hitachi 2-1/2" Finish Nailer, Model NT 65MA3 2. Aggressive design similar to -use clogged nail release mechanism "Single actuation/contact actuation" selector --- 1 --- 1.
MARKETING OBJECTIVE The new Model NT 65MA3 finish nailer is a minor-changed version of window and door casings For cabinet-making, furniture-making and woodworking 4. SELLING POINTS Exhaust direction easily changeable Capable of cleaning ... Installation of molding, paneling and stairways Assembling of the current Model NT 65MA2. Primary differences from the Model NT 65MA2 are described below. PRODUCT NAME Hitachi 2-1/2" Finish Nailer, Model NT 65MA3 2. Aggressive design similar to -use clogged nail release mechanism "Single actuation/contact actuation" selector --- 1 --- 1.
Instruction Manual
Page 5
.../cm2, 70 --- 120 psi) (Gauge pressure) 3 pcs./sec 1.9 kg (4.2 lbs.) Dimensions 343 mm x 305 mm x 76 mm (Length x Height x Width) (13-1/2" x 12" x 3") Nail feed system Nail capacity Spiral spring 100 nails Air consumption Air inlet Packaging 1.20 ltr/cycle at 6.9 bar (1.20 ltr/cycle at 7 kgf/cm2) (.042 ft3/cycle at 100 psi...
.../cm2, 70 --- 120 psi) (Gauge pressure) 3 pcs./sec 1.9 kg (4.2 lbs.) Dimensions 343 mm x 305 mm x 76 mm (Length x Height x Width) (13-1/2" x 12" x 3") Nail feed system Nail capacity Spiral spring 100 nails Air consumption Air inlet Packaging 1.20 ltr/cycle at 6.9 bar (1.20 ltr/cycle at 7 kgf/cm2) (.042 ft3/cycle at 100 psi...
Instruction Manual
Page 6
...SINGLE ACTUATION MECHANISM (SINGLE SEQUENTIAL ACTUATION MECHANISM): First, press the pushing lever against the wood; First, pull the trigger; Nailing operation switching device Switching device (Change knob) Switching device (Change knob) SINGLE ACTUATION MECHANISM (Switching device: upward position) ...CONTACT ACTUATION MECHANISM (Switching device: downward position) --- 3 --- next, pull the trigger to drive the nail. next, pull the trigger to drive the nail. next, press the pushing lever against the wood; CONTACT ACTUATION MECHANISM: First, press the pushing lever ...
...SINGLE ACTUATION MECHANISM (SINGLE SEQUENTIAL ACTUATION MECHANISM): First, press the pushing lever against the wood; First, pull the trigger; Nailing operation switching device Switching device (Change knob) Switching device (Change knob) SINGLE ACTUATION MECHANISM (Switching device: upward position) ...CONTACT ACTUATION MECHANISM (Switching device: downward position) --- 3 --- next, pull the trigger to drive the nail. next, pull the trigger to drive the nail. next, press the pushing lever against the wood; CONTACT ACTUATION MECHANISM: First, press the pushing lever ...
Instruction Manual
Page 7
... of uses for the nails shown in 5-2 for installing finish materials, or molding as specified in Fig. 1. Other nails will cause clogging of nails and subsequent damage to the nailer. 15-gauge finish nail (collating angle 34û) Min. Typical mounting methods are shown in Fig. 2. Nail Selection The Model NT 65MA3 utilizes small-head, T-shaped nails (finish nails) collated by tapes...
... of uses for the nails shown in 5-2 for installing finish materials, or molding as specified in Fig. 1. Other nails will cause clogging of nails and subsequent damage to the nailer. 15-gauge finish nail (collating angle 34û) Min. Typical mounting methods are shown in Fig. 2. Nail Selection The Model NT 65MA3 utilizes small-head, T-shaped nails (finish nails) collated by tapes...
Instruction Manual
Page 8
... must instruct the customers to read the Handling Instructions attached to drive the nail flush with the wood surface. Required nailing energy Nailer output energy Plywood (12 mm (.472") thick) x 6 P S NT 65MA NT 65MA2 NT 65MA3 NT65MA3 Fig. 3 Required nailing energy and nailer output energy 5-6. x 65 mm length (.072" x 2-1/2") into six sheets of 12 mm (.472...
... must instruct the customers to read the Handling Instructions attached to drive the nail flush with the wood surface. Required nailing energy Nailer output energy Plywood (12 mm (.472") thick) x 6 P S NT 65MA NT 65MA2 NT 65MA3 NT65MA3 Fig. 3 Required nailing energy and nailer output energy 5-6. x 65 mm length (.072" x 2-1/2") into six sheets of 12 mm (.472...
Instruction Manual
Page 9
COMPARISONS WITH SIMILAR PRODUCTS Maker Model name Operating pressure HITACHI NT 65MA3 NT 65MA2 4.9 to 8.3 bar (5 to 8.5 kgf/cm2 ) (70 to 120 psi) P 4.9 to 8.3 bar (5 to 8.5 kgf/cm2 ) (70 to 120 psi) Q 4.9 to 8.3 bar (5 to 8.5 .../cm2 ) (70 to 120 psi) R 4.9 to 8.3 bar (5 to 8.5 kgf/cm2 ) (70 to 120 psi) S 4.9 to 8.3 bar (5 to 8.5 kgf/cm2 ) (70 to 2-1/2") Handle grip Collating angle Applicable nails Dia. Length Rubber 34û 2.4 mm to 3.0 mm (.095" to .12") 32 mm to 65 mm (1-1/4" to 2-1/2") Rubber 34û 2.4 mm to 3.0 mm (.095" to...
COMPARISONS WITH SIMILAR PRODUCTS Maker Model name Operating pressure HITACHI NT 65MA3 NT 65MA2 4.9 to 8.3 bar (5 to 8.5 kgf/cm2 ) (70 to 120 psi) P 4.9 to 8.3 bar (5 to 8.5 kgf/cm2 ) (70 to 120 psi) Q 4.9 to 8.3 bar (5 to 8.5 .../cm2 ) (70 to 120 psi) R 4.9 to 8.3 bar (5 to 8.5 kgf/cm2 ) (70 to 120 psi) S 4.9 to 8.3 bar (5 to 8.5 kgf/cm2 ) (70 to 2-1/2") Handle grip Collating angle Applicable nails Dia. Length Rubber 34û 2.4 mm to 3.0 mm (.095" to .12") 32 mm to 65 mm (1-1/4" to 2-1/2") Rubber 34û 2.4 mm to 3.0 mm (.095" to...
Instruction Manual
Page 11
... with each unit. Carefully ensure that of misfiring and subsequent possible serious injury. MECHANISM AND OPERATION PRINCIPLE 8-1. Related Laws and Regulations As nailers and staplers are outlined below . Please check your national and/or local regulations for 8. Primary differences from the Model NT 65MA2 are... designed Control valve section Common to the Model NT 65MA2 Driving section and magazine section Almost common to instantaneously drive nails and staples, there is the same as possible. 7-3. While there are no specific safety regulations, there are described below .
... with each unit. Carefully ensure that of misfiring and subsequent possible serious injury. MECHANISM AND OPERATION PRINCIPLE 8-1. Related Laws and Regulations As nailers and staplers are outlined below . Please check your national and/or local regulations for 8. Primary differences from the Model NT 65MA2 are... designed Control valve section Common to the Model NT 65MA2 Driving section and magazine section Almost common to instantaneously drive nails and staples, there is the same as possible. 7-3. While there are no specific safety regulations, there are described below .
Instruction Manual
Page 12
...] Pushing Lever (A) [40] Blow nozzle section Knob [24] Cap (A) [49] Body Ass'y [30] Control valve section Air Plug NPT 1/4 [51] Trigger (A) [53] Magazine Cover [76] Nail Stopper [81] Nail Rail [79] Magazine [82] Nail Feeder (B) [80] Magazine section Nail Feeder (A) [74] Fig. 4 Construction Output section Driving section --- 9 ---
...] Pushing Lever (A) [40] Blow nozzle section Knob [24] Cap (A) [49] Body Ass'y [30] Control valve section Air Plug NPT 1/4 [51] Trigger (A) [53] Magazine Cover [76] Nail Stopper [81] Nail Rail [79] Magazine [82] Nail Feeder (B) [80] Magazine section Nail Feeder (A) [74] Fig. 4 Construction Output section Driving section --- 9 ---
Instruction Manual
Page 14
... Head Valve (A) [10] is fed through the air supply vent and air passage to seal Head Valve (A) [10] Return air chamber and Cylinder [11]. (2) When nailing: (Fig. 5 and Fig. 6) 1) When Pushing Lever (A) [40] and Trigger (A) [53] are operated together and Plunger (A) [68] is Pushing Lever (A) [... the Exhaust Cover [5], blocking the passage to the exhaust vent. 4) When Head Valve (A) [10] goes up, the compressed air in the valve Nail piston lower chamber is accumulated there. --- 11 --- When the Piston [15] passes the cylinder hole, Fig. 6 Control valve section the compressed air...
... Head Valve (A) [10] is fed through the air supply vent and air passage to seal Head Valve (A) [10] Return air chamber and Cylinder [11]. (2) When nailing: (Fig. 5 and Fig. 6) 1) When Pushing Lever (A) [40] and Trigger (A) [53] are operated together and Plunger (A) [68] is Pushing Lever (A) [... the Exhaust Cover [5], blocking the passage to the exhaust vent. 4) When Head Valve (A) [10] goes up, the compressed air in the valve Nail piston lower chamber is accumulated there. --- 11 --- When the Piston [15] passes the cylinder hole, Fig. 6 Control valve section the compressed air...
Instruction Manual
Page 16
...down while holding Trigger (A) [53] depressed. Fig. 10 Contact actuation mechanism --- 13 --- Therefore, unless Trigger (A) [53] is released after driving the first nail, the control valve should be as shown in Fig. 8. 2) Even when only Pushing Lever (B) [36] is Plunger (A) [68] Valve Piston (B) [...be accomplished by turning the switching device (Change Knob [57]). Contact actuation mechanism (Switching device: downward position): 1) Immediately after the first nail is held as shown in Fig. 9, the plate of Trigger (A) [53] contacts the Change Knob [57] and Plunger (A) [68]...
...down while holding Trigger (A) [53] depressed. Fig. 10 Contact actuation mechanism --- 13 --- Therefore, unless Trigger (A) [53] is released after driving the first nail, the control valve should be as shown in Fig. 8. 2) Even when only Pushing Lever (B) [36] is Plunger (A) [68] Valve Piston (B) [...be accomplished by turning the switching device (Change Knob [57]). Contact actuation mechanism (Switching device: downward position): 1) Immediately after the first nail is held as shown in Fig. 9, the plate of Trigger (A) [53] contacts the Change Knob [57] and Plunger (A) [68]...
Instruction Manual
Page 17
... guide plate (A) have returned. Replace the parts. 9. Cylinder inside surface is abnormal (burrs, deformed or damaged). Reassemble or replace the parts. Remove the abnormal nails and load the nailer with specified nails. Correct the burred or deformed portion. Ribbon spring is abnormal (removed, deformed or damaged). O-ring in the back position after loading...
... guide plate (A) have returned. Replace the parts. 9. Cylinder inside surface is abnormal (burrs, deformed or damaged). Reassemble or replace the parts. Remove the abnormal nails and load the nailer with specified nails. Correct the burred or deformed portion. Ribbon spring is abnormal (removed, deformed or damaged). O-ring in the back position after loading...
Instruction Manual
Page 18
...spring is raised too high for abnormality and lubrication. Check if the specified nails are used because the material is bent even when driven into soft wood. Turn the adjuster lower (lower the pressure). Nailer cannot be made flush. Replace the O-ring. Plunger (A), valve piston ...(B), valve bushing (A) or valve bushing (B) is too hard. Unspecified nails are not completely fed into the workpiece completely: the heads cannot be...
...spring is raised too high for abnormality and lubrication. Check if the specified nails are used because the material is bent even when driven into soft wood. Turn the adjuster lower (lower the pressure). Nailer cannot be made flush. Replace the O-ring. Plunger (A), valve piston ...(B), valve bushing (A) or valve bushing (B) is too hard. Unspecified nails are not completely fed into the workpiece completely: the heads cannot be...
Instruction Manual
Page 19
... the service life of a switching device is not possible. O-ring in valve piston (B) is abnormal (removed, deformed or damaged). Problem Possible cause ( : most-common cause) 4) Nails jam. (continued) < Driver blade is not returned completely > See item "1) Output section: piston, driver blade, etc." 5) Single actuation mechanism is mistaken. 6) Air keeps blowing from...
... the service life of a switching device is not possible. O-ring in valve piston (B) is abnormal (removed, deformed or damaged). Problem Possible cause ( : most-common cause) 4) Nails jam. (continued) < Driver blade is not returned completely > See item "1) Output section: piston, driver blade, etc." 5) Single actuation mechanism is mistaken. 6) Air keeps blowing from...
Instruction Manual
Page 22
...disassembly and reassembly are described below correspond to exhaust all the compressed air and remove all nails. 10-1. Socket Hd. 10. Be especially careful to the O-rings and O-rings' sliding portions. Oil required: Hitachi pneumatic tool lubricant 30 cc (1 oz) Oil feeder (Code No. 877153) 120 ...be mounted without the specifically designed jig. Socket Hd. CAUTION: Before disassembly or reassembly, be sure to disconnect the air hose from the nailer (with your finger released from the trigger) to the item numbers in Disassembly and Reassembly Apply grease (ATTOLUB No. 2) (Code No....
...disassembly and reassembly are described below correspond to exhaust all the compressed air and remove all nails. 10-1. Socket Hd. 10. Be especially careful to the O-rings and O-rings' sliding portions. Oil required: Hitachi pneumatic tool lubricant 30 cc (1 oz) Oil feeder (Code No. 877153) 120 ...be mounted without the specifically designed jig. Socket Hd. CAUTION: Before disassembly or reassembly, be sure to disconnect the air hose from the nailer (with your finger released from the trigger) to the item numbers in Disassembly and Reassembly Apply grease (ATTOLUB No. 2) (Code No....
Instruction Manual
Page 28
... Fig. 20.) Nylon Nut M5 [44] Sleeve [45] Body Ass'y [30] Hex. blade screwdriver being very careful not to ADJUSTING THE NAILING DEPTH on page 21 in which the nail is raised when Lock Lever [34] adjusting the driving depth (refer to lose them. Pushing Lever (A) [40] Socket Hd. Disassembly and Reassembly...
... Fig. 20.) Nylon Nut M5 [44] Sleeve [45] Body Ass'y [30] Hex. blade screwdriver being very careful not to ADJUSTING THE NAILING DEPTH on page 21 in which the nail is raised when Lock Lever [34] adjusting the driving depth (refer to lose them. Pushing Lever (A) [40] Socket Hd. Disassembly and Reassembly...
Instruction Manual
Page 30
... pressing the Magazine [82] and the Magazine Cover [76] so that Nail Feeder (A) [74], Nail Feeder (B) [80] and the Pushing Spring [75] can be removed. (b)...[78] Nail Rail [79] Nail Stopper [81] Nylon Nut M5 [44] Ribbon Spring [72] Magazine [82] Roll Pin D2.5 x 20 (Stainless) [73] Nail Feeder (A) [74] Nail Feeder (B)... section can be removed and the Ribbon Spring [72], Nail Feeders (A) [74], (B) [80] and Nail Rail [79] can be no space between the Magazine ...(2.5 mm (.098") dia.) so that there will be removed. Lubricate the Nail Rail [79] and the Ribbon Spring [72] with the hex. Socket...
... pressing the Magazine [82] and the Magazine Cover [76] so that Nail Feeder (A) [74], Nail Feeder (B) [80] and the Pushing Spring [75] can be removed. (b)...[78] Nail Rail [79] Nail Stopper [81] Nylon Nut M5 [44] Ribbon Spring [72] Magazine [82] Roll Pin D2.5 x 20 (Stainless) [73] Nail Feeder (A) [74] Nail Feeder (B)... section can be removed and the Ribbon Spring [72], Nail Feeders (A) [74], (B) [80] and Nail Rail [79] can be no space between the Magazine ...(2.5 mm (.098") dia.) so that there will be removed. Lubricate the Nail Rail [79] and the Ribbon Spring [72] with the hex. Socket...
Instruction Manual
Page 31
...Check that the Model NT 65MA3 does not operate just by pressing Pushing Lever (A) [40] against a test piece (wood etc.) 3) Check that nails are properly driven (no air leakage and the Model NT 65MA3 does not operate (i.e., check that Pushing Levers (A) [40] and (B) [36], ...53], Plunger (A) [68], Change Knob [57] and Adjuster [38] operate smoothly without connecting to "single actuation (single sequential actuation)" (see 5-2). Perform nailing operation and check that the Model NT 65MA3 operates by pressing Pushing Lever (A) [40] against a test piece. (4) Set the Change Knob [57] ...
...Check that the Model NT 65MA3 does not operate just by pressing Pushing Lever (A) [40] against a test piece (wood etc.) 3) Check that nails are properly driven (no air leakage and the Model NT 65MA3 does not operate (i.e., check that Pushing Levers (A) [40] and (B) [36], ...53], Plunger (A) [68], Change Knob [57] and Adjuster [38] operate smoothly without connecting to "single actuation (single sequential actuation)" (see 5-2). Perform nailing operation and check that the Model NT 65MA3 operates by pressing Pushing Lever (A) [40] against a test piece. (4) Set the Change Knob [57] ...
Instruction Manual
Page 35
SOCKET HD. BOLT (W/FLANGE) M5X20 1 79 884-327 NAIL RAIL 1 80 881-744 NAIL FEEDER (B) 1 81 881-766 NAIL STOPPER 1 82 885-962 MAGAZINE 1 REMARKS NT 65MA3 9 -- 06 * ALTERNATIVE PARTS --- 3 --- CODE NO. 52 DESCRIPTION HITACHI LABEL NO. PARTS ITEM NO. USED 1 53 884-145 TRIGGER (A) 1 54 949-865 ROLL PIN ... 884-341 VALVE BUSHING (A) 1 71 LABEL 1 72 881-755 RIBBON SPRING 1 73 881-767 ROLL PIN D2.5X20 (STAINLESS) 1 74 881-746 NAIL FEEDER (A) 1 75 880-321 PUSHING SPRING 1 76 881-752 MAGAZINE COVER 1 77 885-997 MACHINE SCREW M5X15 (BLACK) 2 78 881-773 HEX.
SOCKET HD. BOLT (W/FLANGE) M5X20 1 79 884-327 NAIL RAIL 1 80 881-744 NAIL FEEDER (B) 1 81 881-766 NAIL STOPPER 1 82 885-962 MAGAZINE 1 REMARKS NT 65MA3 9 -- 06 * ALTERNATIVE PARTS --- 3 --- CODE NO. 52 DESCRIPTION HITACHI LABEL NO. PARTS ITEM NO. USED 1 53 884-145 TRIGGER (A) 1 54 949-865 ROLL PIN ... 884-341 VALVE BUSHING (A) 1 71 LABEL 1 72 881-755 RIBBON SPRING 1 73 881-767 ROLL PIN D2.5X20 (STAINLESS) 1 74 881-746 NAIL FEEDER (A) 1 75 880-321 PUSHING SPRING 1 76 881-752 MAGAZINE COVER 1 77 885-997 MACHINE SCREW M5X15 (BLACK) 2 78 881-773 HEX.