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MODEL NR 90GC Hitachi Power Tools GAS STRIP NAILER NR 90GC TECHNICAL DATA AND SERVICE MANUAL N LIST No. E025 Sept. 2005 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
MODEL NR 90GC Hitachi Power Tools GAS STRIP NAILER NR 90GC TECHNICAL DATA AND SERVICE MANUAL N LIST No. E025 Sept. 2005 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
Service Manual
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MARKETING OBJECTIVE Today, one hour 3. We will enter the largest-scale clipped head (D-head) nailer market with the new Model NR 90GC gas strip nailer to expand our market share. 1. APPLICATIONS Floor and framing Truss build-up, window build-up Subflooring and roof decking Wall sheathing Mobile home and modular housing construction 4. The... nail feeding --- 1 --- SELLING POINTS Well balance New aggressive appearance Comfortable grip Fully charged in one company has been monopolizing the gas nailer markets. PRODUCT NAME Hitachi 90 mm (3-1/2") Gas Strip Nailer, Model NR 90GC 2.
MARKETING OBJECTIVE Today, one hour 3. We will enter the largest-scale clipped head (D-head) nailer market with the new Model NR 90GC gas strip nailer to expand our market share. 1. APPLICATIONS Floor and framing Truss build-up, window build-up Subflooring and roof decking Wall sheathing Mobile home and modular housing construction 4. The... nail feeding --- 1 --- SELLING POINTS Well balance New aggressive appearance Comfortable grip Fully charged in one company has been monopolizing the gas nailer markets. PRODUCT NAME Hitachi 90 mm (3-1/2") Gas Strip Nailer, Model NR 90GC 2.
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5. After nailing once, nailing will not be possible again until the trigger is equipped with FULL SEQUENTIAL ACTUATION MECHANISM. Specifications (1) Gas nailer Model NR 90GC Driving system Reciprocating piston type Weight Dimensions (Length x Height x Width) Nail feed system Nail capacity 3.5 kg (7.7 lbs.) 347 mm x 353 mm x 108 ...
5. After nailing once, nailing will not be possible again until the trigger is equipped with FULL SEQUENTIAL ACTUATION MECHANISM. Specifications (1) Gas nailer Model NR 90GC Driving system Reciprocating piston type Weight Dimensions (Length x Height x Width) Nail feed system Nail capacity 3.5 kg (7.7 lbs.) 347 mm x 353 mm x 108 ...
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...degrees. It is recommended to use genuine HITACHI nails to the nailer. Nail Selection The Model NR 90GC utilizes D-head (clipped head) nails collated with a weak paper tape. Also avoid use P's 2" Roundrive nail (eccentric full round head nail) with the Model NR 90GC. ... are as the nails utilized by other makers are shown below. Use of such nails will cause clogging of nail --- 3 --- Paper tape collated strip nails D-head (clipped head) nails Minimum Maximum 6.8 mm (0.266") 7.7 mm (0.303") 90 mm (3-1/2") 50 mm (2") 3.0 mm (0.120") 35û 3.3 mm (0.131") 3.3 ...
...degrees. It is recommended to use genuine HITACHI nails to the nailer. Nail Selection The Model NR 90GC utilizes D-head (clipped head) nails collated with a weak paper tape. Also avoid use P's 2" Roundrive nail (eccentric full round head nail) with the Model NR 90GC. ... are as the nails utilized by other makers are shown below. Use of such nails will cause clogging of nail --- 3 --- Paper tape collated strip nails D-head (clipped head) nails Minimum Maximum 6.8 mm (0.266") 7.7 mm (0.303") 90 mm (3-1/2") 50 mm (2") 3.0 mm (0.120") 35û 3.3 mm (0.131") 3.3 ...
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...of a gas nailer cannot be adjusted optionally. Required nailing energy Nailer output energy NR 90GC, P 3.3 x 70 (.13 x 3) Fig. 2 Required nailing energy and nailer output energy --- 4 --- 5-4. However, the output energy is changed because environmental conditions such as a result of conversion to a pneumatic nailer, the output energy of the nailer. Nail ...) as ambient temperature, humidity and altitude have an effect on the output energy range. Figure 2 shows a comparison between the pneumatic nailers Models NR 90AD and others and the gas nailer Model NR 90GC on its combustion.
...of a gas nailer cannot be adjusted optionally. Required nailing energy Nailer output energy NR 90GC, P 3.3 x 70 (.13 x 3) Fig. 2 Required nailing energy and nailer output energy --- 4 --- 5-4. However, the output energy is changed because environmental conditions such as a result of conversion to a pneumatic nailer, the output energy of the nailer. Nail ...) as ambient temperature, humidity and altitude have an effect on the output energy range. Figure 2 shows a comparison between the pneumatic nailers Models NR 90AD and others and the gas nailer Model NR 90GC on its combustion.
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Handling Instructions Although every effort is made in its use of the Model NR 90GC Nailer by the customer. Salespersons must be thoroughly familiar with a Warning Label (illustrated below) which lists basic safety precautions in each tool. 7-1. Accordingly, general precautions ...and suggestions for use of pneumatic tools, and specific precautions and suggestions for the use of the pneumatic nailer are listed in the use of the tool by all of our customers, it is provided with the contents of the Handling Instructions to be...
Handling Instructions Although every effort is made in its use of the Model NR 90GC Nailer by the customer. Salespersons must be thoroughly familiar with a Warning Label (illustrated below) which lists basic safety precautions in each tool. 7-1. Accordingly, general precautions ...and suggestions for use of pneumatic tools, and specific precautions and suggestions for the use of the pneumatic nailer are listed in the use of the tool by all of our customers, it is provided with the contents of the Handling Instructions to be...
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...Please check your national and/or local regulations for The Europe EN 712-13 2000 EN 50260-1 2002 Hand-held-non-electric power tools Safety of the precautions listed in the Handling Instructions provided with which the salespersons should be familiar in various general safety regulations... with each unit. Related Laws and Regulations As nailers and staplers are outlined below. The U.S.A: OSHA ANSI SNT-101-2002 1926.102 Eye and face protection 1926.302 Power-operated hand tools Portable, Compressed-Air-Actuated, Fastener Driving Tools-Safety ...
...Please check your national and/or local regulations for The Europe EN 712-13 2000 EN 50260-1 2002 Hand-held-non-electric power tools Safety of the precautions listed in the Handling Instructions provided with which the salespersons should be familiar in various general safety regulations... with each unit. Related Laws and Regulations As nailers and staplers are outlined below. The U.S.A: OSHA ANSI SNT-101-2002 1926.102 Eye and face protection 1926.302 Power-operated hand tools Portable, Compressed-Air-Actuated, Fastener Driving Tools-Safety ...
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...secured to turn on the spark switch. Switch lever (B) is no similarity between the Model NR 90GC and other Hitachi nailers in the output section. 8. This is the Hitachi's first gas strip nailer and there is located at the top of operation is a spark plug beside the fan. As illustrated in ...the head section rotates and the spark plug discharges. --- 10 --- The motor is equipped with a fuel cell and a battery in order ...
...secured to turn on the spark switch. Switch lever (B) is no similarity between the Model NR 90GC and other Hitachi nailers in the output section. 8. This is the Hitachi's first gas strip nailer and there is located at the top of operation is a spark plug beside the fan. As illustrated in ...the head section rotates and the spark plug discharges. --- 10 --- The motor is equipped with a fuel cell and a battery in order ...
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...Convex of the fuel cell to turn on the Chamber [24] pushes the Switch Arm [82] to Combustion chamber O-ring [36] spray fuel into the nailer in the initial state. Switch Arm [82] Fig. 5 The Fan [20] in the following order (Fig. 5). Pushing Lever [64] The convex ...(B) [114]. Principle of Operation (1) Before nailing Fuel is released to the atmosphere (Fig. 4). (2) When nailing 1) Push up the tip of Chamber Head [22] O-ring [15] Chamber Head [22] Fan [20] [22] pushes up the Pushing Lever [64]. Chamber [24] Cylinder Ass'y [42] The Switch Plate [34] on the...
...Convex of the fuel cell to turn on the Chamber [24] pushes the Switch Arm [82] to Combustion chamber O-ring [36] spray fuel into the nailer in the initial state. Switch Arm [82] Fig. 5 The Fan [20] in the following order (Fig. 5). Pushing Lever [64] The convex ...(B) [114]. Principle of Operation (1) Before nailing Fuel is released to the atmosphere (Fig. 4). (2) When nailing 1) Push up the tip of Chamber Head [22] O-ring [15] Chamber Head [22] Fan [20] [22] pushes up the Pushing Lever [64]. Chamber [24] Cylinder Ass'y [42] The Switch Plate [34] on the...
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.... Thus the switch of the Lever Stopper [116] is moved toward Switch Lever (B) [114] (Fig. 11). Then the nailer operates only when the Trigger [98] is turned on . The switch is depressed. The nailer does not operate if the pressing amount of the Pushing Lever [64] is insufficient or if the Pushing...
.... Thus the switch of the Lever Stopper [116] is moved toward Switch Lever (B) [114] (Fig. 11). Then the nailer operates only when the Trigger [98] is turned on . The switch is depressed. The nailer does not operate if the pressing amount of the Pushing Lever [64] is insufficient or if the Pushing...
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...or set improperly. Please instruct the customers to use the nailer properly according to the nailer. The Battery [111] is set improperly. The metering valve of the nailer but improper handling. No combustion occurs. The nailer does not start. No combustion occurs. The spark switch...64] securely. These problems are not caused by Improper Handling Following table shows the problems that are insufficient. No combustion occurs. The nailer is used with the Filter [4] clogged. No combustion occurs. Keep depressing the Trigger [98] securely about 0.5 second after combustion. ...
...or set improperly. Please instruct the customers to use the nailer properly according to the nailer. The Battery [111] is set improperly. The metering valve of the nailer but improper handling. No combustion occurs. The nailer does not start. No combustion occurs. The spark switch...64] securely. These problems are not caused by Improper Handling Following table shows the problems that are insufficient. No combustion occurs. The nailer is used with the Filter [4] clogged. No combustion occurs. Keep depressing the Trigger [98] securely about 0.5 second after combustion. ...
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... left under a low temperature condition. 0ûC or lower temperature Inspection method The metering valve is left under a high temperature condition. The nailer is not set properly. Replace the metering valve with new one. Replace the metering valve with new one . Fuel is in a liquid ...hot due to a fuel cell: (1) Separate the metering valve and the cap from the gas cartridge. The main body is not sprayed. Warm up the fuel cell. Insufficient sealing of adapter. The nailer is sprayed or not. Check whether fuel is damaged. The bag in the fuel cell is...
... left under a low temperature condition. 0ûC or lower temperature Inspection method The metering valve is left under a high temperature condition. The nailer is not set properly. Replace the metering valve with new one. Replace the metering valve with new one . Fuel is in a liquid ...hot due to a fuel cell: (1) Separate the metering valve and the cap from the gas cartridge. The main body is not sprayed. Warm up the fuel cell. Insufficient sealing of adapter. The nailer is sprayed or not. Check whether fuel is damaged. The bag in the fuel cell is...
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Remedy Use the nailer in a place such as highlands at an altitude of 1500 meters or more. Possible cause Inspection method The oxygen content of fuel is sprayed. Problem Fuel is under 1500 meters. --- 18 --- A large amount of the air is low in a place where the altitude is sprayed but no combustion occurs.
Remedy Use the nailer in a place such as highlands at an altitude of 1500 meters or more. Possible cause Inspection method The oxygen content of fuel is sprayed. Problem Fuel is under 1500 meters. --- 18 --- A large amount of the air is low in a place where the altitude is sprayed but no combustion occurs.
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...the nailing operation is deformed. Replace Internal Wire (A) [86]. Following table shows the troubleshooting and correction procedures inherent in the case of gas nailers The mechanism of the Piston [39]. specifications. The Motor [6] does not rotate. The Battery [111] is left with a flat-... set it is not set properly. The Battery [111] is damaged. Perform charging. Troubleshooting and Correction (1) Troubleshooting and correction in gas nailers. The Motor [6] is faulty. Replace the Battery [111]. The Adapter [30] is deformed. Set the metering valve to produce ...
...the nailing operation is deformed. Replace Internal Wire (A) [86]. Following table shows the troubleshooting and correction procedures inherent in the case of gas nailers The mechanism of the Piston [39]. specifications. The Motor [6] does not rotate. The Battery [111] is left with a flat-... set it is not set properly. The Battery [111] is damaged. Perform charging. Troubleshooting and Correction (1) Troubleshooting and correction in gas nailers. The Motor [6] is faulty. Replace the Battery [111]. The Adapter [30] is deformed. Set the metering valve to produce ...
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... Sparking and Corrective Action".) No nail is stained. The battery indicator light lights red. The wire near the Trigger [98] is normal. The nailer is deformed. The Lead Valve [45] is overheated. Connect properly (Fig. 16). Replace Internal Wire (A) [86]. Clean the inside of the...(A) [86] and the Controller [101]. The spark switch is no problem in Internal Wire (A) [86]. The Filter [4] is clogged. Do not use the nailer at high speed. The Filter [4] is clogged. Replace Switch Lever (B) [114]. Clean the Filter [4] (Fig. 13). The Battery [111] is faulty....
... Sparking and Corrective Action".) No nail is stained. The battery indicator light lights red. The wire near the Trigger [98] is normal. The nailer is deformed. The Lead Valve [45] is overheated. Connect properly (Fig. 16). Replace Internal Wire (A) [86]. Clean the inside of the...(A) [86] and the Controller [101]. The spark switch is no problem in Internal Wire (A) [86]. The Filter [4] is clogged. Do not use the nailer at high speed. The Filter [4] is clogged. Replace Switch Lever (B) [114]. Clean the Filter [4] (Fig. 13). The Battery [111] is faulty....
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... nail inlet groove. Magazine is normally loaded with abnormal nails (bent nails, large or small round-head nails, abnormal collation, etc.). Check if nails (one strip) are in the magazine. Nail inlet groove of general-purpose nailers Problem Possible cause Inspection method 1) Nails cannot be driven. Remedy Use specified nails. Remove the...
... nail inlet groove. Magazine is normally loaded with abnormal nails (bent nails, large or small round-head nails, abnormal collation, etc.). Check if nails (one strip) are in the magazine. Nail inlet groove of general-purpose nailers Problem Possible cause Inspection method 1) Nails cannot be driven. Remedy Use specified nails. Remove the...
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... the driver blade tip is raised too high. Do not use unspecified workpieces. Check Nail Feeder (A) [112] for abnormal condition. Replace the head valve spring. 2) Nails are used. Check if the adjuster is abnormally worn. Replace the driver blade. Workpiece is abnormal (deformed, burrs, ... Nails are not fully fed into soft wood workpiece and check if the nail is abnormal (dislocated, deformed or damaged). While operating the nailer without nails, check if the driver blade is worn. For short nails, the adjuster is abnormal (worn or damaged). Nail Feeder (A) ...
... the driver blade tip is raised too high. Do not use unspecified workpieces. Check Nail Feeder (A) [112] for abnormal condition. Replace the head valve spring. 2) Nails are used. Check if the adjuster is abnormally worn. Replace the driver blade. Workpiece is abnormal (deformed, burrs, ... Nails are not fully fed into soft wood workpiece and check if the nail is abnormal (dislocated, deformed or damaged). While operating the nailer without nails, check if the driver blade is worn. For short nails, the adjuster is abnormal (worn or damaged). Nail Feeder (A) ...
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.... Remedy Adjust the adjuster to the lowest position and drive a nail. Do not use unspecified workpieces. Nail Feeder (A) [112] is very hard. worn. Operate the nailer without nails and check if the driver blade is Replace the part. Inspection method Turn the adjuster to the proper position. mechanism. Check if the... smoothly after putting nails, and check if the nail feeder operates smoothly. Replace the driver blade. 4) Nails clog the Unspecified nails used. Problem Possible cause 3) Head of a nail driven into soft wood workpiece and check if the...
.... Remedy Adjust the adjuster to the lowest position and drive a nail. Do not use unspecified workpieces. Nail Feeder (A) [112] is very hard. worn. Operate the nailer without nails and check if the driver blade is Replace the part. Inspection method Turn the adjuster to the proper position. mechanism. Check if the... smoothly after putting nails, and check if the nail feeder operates smoothly. Replace the driver blade. 4) Nails clog the Unspecified nails used. Problem Possible cause 3) Head of a nail driven into soft wood workpiece and check if the...
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...114] is improperly sealed. (Check the O-rings [15] and [36], and the moving amount of the Pushing Lever [64].) 4. Spark plug cable Cylinder Head [14] Spark Plug (A) [11] Check whether sparking occurs at this area or not. If sparking does not occur from the cable due to "10. ... in the uppermost position. (Check the position of the above operation, perform checking and take corrective actions as follows. (Disassemble and reassemble the nailer according to scratches), replace the Controller [101]. 3. The Trigger [98] is not in the Trigger [98] is most difficult to check ...
...114] is improperly sealed. (Check the O-rings [15] and [36], and the moving amount of the Pushing Lever [64].) 4. Spark plug cable Cylinder Head [14] Spark Plug (A) [11] Check whether sparking occurs at this area or not. If sparking does not occur from the cable due to "10. ... in the uppermost position. (Check the position of the above operation, perform checking and take corrective actions as follows. (Disassemble and reassemble the nailer according to scratches), replace the Controller [101]. 3. The Trigger [98] is not in the Trigger [98] is most difficult to check ...
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... the areas shown in the Parts List and exploded assembly diagram. [CAUTION] Before disassembly or reassembly, be careful not to tighten the screw of the head securely before driving nails. 10-1. When installing the O-rings, be sure to 1.1) 6.4 0.5 (65 5, 4.7 0.4) 5.9 0.5 (60 5, 4.4 0.4) 6.4 0.5 (65 5, 4.7 0.4) 6.9 0.5 (70 5, 5.1 0.4) 8.3 0.5 (85 5, 6.1 0.4) 1.5 0.5 (15 5, 0.7 0.4) 3.0 0.5 (30 5, 2.2 0.4) 1.0...numbers in Fig. 21. Be sure to damage the O-rings and prevent dirt entry. Oil required: Hitachi Gas Nailer Lubricant 8 oz. (250 cc) oil feeder (Code No. 885-246) (Code No. 885-...
... the areas shown in the Parts List and exploded assembly diagram. [CAUTION] Before disassembly or reassembly, be careful not to tighten the screw of the head securely before driving nails. 10-1. When installing the O-rings, be sure to 1.1) 6.4 0.5 (65 5, 4.7 0.4) 5.9 0.5 (60 5, 4.4 0.4) 6.4 0.5 (65 5, 4.7 0.4) 6.9 0.5 (70 5, 5.1 0.4) 8.3 0.5 (85 5, 6.1 0.4) 1.5 0.5 (15 5, 0.7 0.4) 3.0 0.5 (30 5, 2.2 0.4) 1.0...numbers in Fig. 21. Be sure to damage the O-rings and prevent dirt entry. Oil required: Hitachi Gas Nailer Lubricant 8 oz. (250 cc) oil feeder (Code No. 885-246) (Code No. 885-...