Instruction Manual
Page 3
... push lever is released and pressed again. ⅜ CONTACT ACTUATION MECHANISM: First, press the push lever against the workpiece; First, pull the trigger; Hazards that result from the operation and maintenance of Nailers are outlined in the "SAFETY" section of the operating instructions, safety precautions and warnings in this Manual. next, pull the trigger to drive the nail. next, pull the trigger to drive the nail. If the trigger...
... push lever is released and pressed again. ⅜ CONTACT ACTUATION MECHANISM: First, press the push lever against the workpiece; First, pull the trigger; Hazards that result from the operation and maintenance of Nailers are outlined in the "SAFETY" section of the operating instructions, safety precautions and warnings in this Manual. next, pull the trigger to drive the nail. next, pull the trigger to drive the nail. If the trigger...
Instruction Manual
Page 4
... bottled gases as the Nailer will explode. Never use of safety glasses by the handle only. 5. NEVER POINT TOOL AT YOURSELF OR OTHERS IN WORK AREA. KEEP FINGERS AWAY FROM TRIGGER WHEN NOT DRIVING FASTENERS TO AVOID ACCIDENTAL FIRING. Read and understand section titled "METHODS OF OPERATION". (pages 14 - 15) 6. ALWAYS WEAR EAR AND HEAD PROTECTION. Use of American National Standards...
... bottled gases as the Nailer will explode. Never use of safety glasses by the handle only. 5. NEVER POINT TOOL AT YOURSELF OR OTHERS IN WORK AREA. KEEP FINGERS AWAY FROM TRIGGER WHEN NOT DRIVING FASTENERS TO AVOID ACCIDENTAL FIRING. Read and understand section titled "METHODS OF OPERATION". (pages 14 - 15) 6. ALWAYS WEAR EAR AND HEAD PROTECTION. Use of American National Standards...
Instruction Manual
Page 5
... AND EDGES OF WORKPIECE. Continued WARNING 8. Lock the storage area. 9. Never use the Nailer unless the push lever is not set properly, the nailer will be driven into the Nailer or when connecting the air hose, 1) do not depress the trigger; 2) do not depress the push lever; DRESS PROPERLY. KEEP ALL SCREWS AND COVERS TIGHTLY IN PLACE. This Hitachi nailer includes a nailing operation switching device. Before starting work, check the setting...
... AND EDGES OF WORKPIECE. Continued WARNING 8. Lock the storage area. 9. Never use the Nailer unless the push lever is not set properly, the nailer will be driven into the Nailer or when connecting the air hose, 1) do not depress the trigger; 2) do not depress the push lever; DRESS PROPERLY. KEEP ALL SCREWS AND COVERS TIGHTLY IN PLACE. This Hitachi nailer includes a nailing operation switching device. Before starting work, check the setting...
Instruction Manual
Page 6
... work area. 4. Handle the Nailer carefully. 33. MAINTAIN NAILER WITH CARE. Doing so may cause it to malfunction and personal injuries may void your warranty and can fire when re-connected to an air supply. 28. Ensure that Nailers which require repair are not further used by a Hitachi authorized service center. 27. DO NOT OVERREACH. Never attempt to operators and personnel performing maintenance. 2. Operate...
... work area. 4. Handle the Nailer carefully. 33. MAINTAIN NAILER WITH CARE. Doing so may cause it to malfunction and personal injuries may void your warranty and can fire when re-connected to an air supply. 28. Ensure that Nailers which require repair are not further used by a Hitachi authorized service center. 27. DO NOT OVERREACH. Never attempt to operators and personnel performing maintenance. 2. Operate...
Instruction Manual
Page 7
... own Nailer. Some illustrations in the safe operation of the Nailer. NAME OF PARTS Nailing operation switching device Upward position Switching Device SINGLE ACTUATION MECHANISM (Switching device: upward position) Switching Device Downward position CONTACT ACTUATION MECHANISM (Switching device: downward position) Head guard Exhaust cover Piston O-ring Piston Driver blade Switching device Body Air plug Cap Nail stopper Trigger Nose Push lever stopper Adjuster Magazine Ribbon spring Push lever Nail feeder (A) Nail feeder (B) Firing head (Outlet) Push lever...
... own Nailer. Some illustrations in the safe operation of the Nailer. NAME OF PARTS Nailing operation switching device Upward position Switching Device SINGLE ACTUATION MECHANISM (Switching device: upward position) Switching Device Downward position CONTACT ACTUATION MECHANISM (Switching device: downward position) Head guard Exhaust cover Piston O-ring Piston Driver blade Switching device Body Air plug Cap Nail stopper Trigger Nose Push lever stopper Adjuster Magazine Ribbon spring Push lever Nail feeder (A) Nail feeder (B) Firing head (Outlet) Push lever...
Instruction Manual
Page 8
... and resulting injuries. wire collation Min. .240" (6.1 mm) Max. .259" (6.6 mm) 2" (50 mm) 3-1/2" (90 mm) .113" (2.9 mm) .131" (3.3 mm) ACCESSORIES DANGER ⅷ Accessories other nails can result in the Table below can be driven with this Nailer. 28 degree offset round head Framing nails - The use of any other than those shown below can lead to use only the genuine HITACHI nails for the NR90AF.
... and resulting injuries. wire collation Min. .240" (6.1 mm) Max. .259" (6.6 mm) 2" (50 mm) 3-1/2" (90 mm) .113" (2.9 mm) .131" (3.3 mm) ACCESSORIES DANGER ⅷ Accessories other nails can result in the Table below can be driven with this Nailer. 28 degree offset round head Framing nails - The use of any other than those shown below can lead to use only the genuine HITACHI nails for the NR90AF.
Instruction Manual
Page 9
... have a minimum working pressure rating of 150 psi (10.4 bar 10.6 kgf/cm2) or 150% of the Nailer. Air hose Air hose must comply with the requirements of the latest version of HITACHI. Air consumption Using the Air consumption table and the Air compressor size formula, find a correct compressor size. Lubricator .... sold separately ⅜ Full Sequential Actuation Mechanism kit (Sequential Trip Mechanism kit) (Code No. 886283) ⅜ Pneumatic Tool Lubricant .8 oz...
... have a minimum working pressure rating of 150 psi (10.4 bar 10.6 kgf/cm2) or 150% of the Nailer. Air hose Air hose must comply with the requirements of the latest version of HITACHI. Air consumption Using the Air consumption table and the Air compressor size formula, find a correct compressor size. Lubricator .... sold separately ⅜ Full Sequential Actuation Mechanism kit (Sequential Trip Mechanism kit) (Code No. 886283) ⅜ Pneumatic Tool Lubricant .8 oz...
Instruction Manual
Page 10
... push lever stopper is in a cold weather environment. Before actually beginning the nailing work . ⅜ If the Nailer is not loaded with nails or when the remaining number of nails becomes less than 6 (This differs by using the Nailer and contact a Hitachi authorized service center immediately. (1) DISCONNECT AIR HOSE FROM NAILER. If abnormal operation occurs, stop using the checklist below. CAUTION ⅷ Do not free-fire the Nailer at high pressure...
... push lever stopper is in a cold weather environment. Before actually beginning the nailing work . ⅜ If the Nailer is not loaded with nails or when the remaining number of nails becomes less than 6 (This differs by using the Nailer and contact a Hitachi authorized service center immediately. (1) DISCONNECT AIR HOSE FROM NAILER. If abnormal operation occurs, stop using the checklist below. CAUTION ⅷ Do not free-fire the Nailer at high pressure...
Instruction Manual
Page 11
... not connect air hose Nail feeder (B) (2) Adjust the air pressure to the upward position completely as shown in the diagram. Do not load any nails in that position for 5 seconds or longer. Ⅺ THE NAILER MUST NOT OPERATE. Pull trigger (5) 1 Pull the Nail Feeder (B) backward, and without touching the trigger, depress the push lever against the workpiece. Ⅺ THE NAILER MUST NOT OPERATE. Set the switching device to the...
... not connect air hose Nail feeder (B) (2) Adjust the air pressure to the upward position completely as shown in the diagram. Do not load any nails in that position for 5 seconds or longer. Ⅺ THE NAILER MUST NOT OPERATE. Pull trigger (5) 1 Pull the Nail Feeder (B) backward, and without touching the trigger, depress the push lever against the workpiece. Ⅺ THE NAILER MUST NOT OPERATE. Set the switching device to the...
Instruction Manual
Page 12
... type to the nail strip. If the Nail Feeders (A) and (B) are released from backward the magazine and bumped against the nail, the connecting wire of the nail can be used in the actual application. Ⅺ THE NAILER MUST OPERATE PROPERLY. ADJUSTING AIR PRESSURE WARNING Magazine (2) Slide the nail strip forward in the Nailer. Pull the Nail Feeder (B) backward and depress the push lever against the nail. LOADING NAILS WARNING ⅷ When loading nails...
... type to the nail strip. If the Nail Feeders (A) and (B) are released from backward the magazine and bumped against the nail, the connecting wire of the nail can be used in the actual application. Ⅺ THE NAILER MUST OPERATE PROPERLY. ADJUSTING AIR PRESSURE WARNING Magazine (2) Slide the nail strip forward in the Nailer. Pull the Nail Feeder (B) backward and depress the push lever against the nail. LOADING NAILS WARNING ⅷ When loading nails...
Instruction Manual
Page 13
... KIT (SEQUENTIAL TRIP MECHANISM KIT) is also available as hammer. ⅷ Disconnect air hose from Nailer when: 1) it to drive the nail. After nailing once, nailing will be possible again until the trigger is not in accordance with Nailer at too steep of workpiece. next, press the push lever against the workpiece; WARNING Explanation of Operation" below. ⅷ Before starting work , check the nailing operation switching device. If the trigger...
... KIT (SEQUENTIAL TRIP MECHANISM KIT) is also available as hammer. ⅷ Disconnect air hose from Nailer when: 1) it to drive the nail. After nailing once, nailing will be possible again until the trigger is not in accordance with Nailer at too steep of workpiece. next, press the push lever against the workpiece; WARNING Explanation of Operation" below. ⅷ Before starting work , check the nailing operation switching device. If the trigger...
Instruction Manual
Page 14
... the magazine is not loaded with this Hitachi nailer will not operate properly.) - 14 - Intermittent operation (Trigger fire): 2. Push lever stopper 6 1 Set the switching device to the upward position (to set to CONTACT ACTUATION MECHANISM). (Set the switching device to recoil. 1) Do not press the nailer against the wood as long as shown in the diagram. Switching device Trigger 4 3 Push lever (2) Continuous operation (Push lever fire) Using CONTACT ACTUATION MECHANISM...
... the magazine is not loaded with this Hitachi nailer will not operate properly.) - 14 - Intermittent operation (Trigger fire): 2. Push lever stopper 6 1 Set the switching device to the upward position (to set to CONTACT ACTUATION MECHANISM). (Set the switching device to recoil. 1) Do not press the nailer against the wood as long as shown in the diagram. Switching device Trigger 4 3 Push lever (2) Continuous operation (Push lever fire) Using CONTACT ACTUATION MECHANISM...
Instruction Manual
Page 15
... causing injury. ⅷ Some types of loaded nails can spark out of the muzzle during fastening operation, because serious injury could result if the push lever accidentally contacts you or others in the following order. 1 DISCONNECT AIR HOSE FROM NAILER. Each depression of Hitachi pneumatic tool lubricant into the workpiece, adjust the nailing in work area. ⅷ Keep hands and body away from the...
... causing injury. ⅷ Some types of loaded nails can spark out of the muzzle during fastening operation, because serious injury could result if the push lever accidentally contacts you or others in the following order. 1 DISCONNECT AIR HOSE FROM NAILER. Each depression of Hitachi pneumatic tool lubricant into the workpiece, adjust the nailing in work area. ⅷ Keep hands and body away from the...
Instruction Manual
Page 16
... Read section titled "SAFETY" (pages 4 - 6). B: Code No. WARNING ⅷ Disconnect air hose and remove all nails from Nailer when: 1) doing maintenance and inspection; Service parts list A: Item No. This Parts List will eventually require servicing or replacement of parts because of reach children. 3. A new WARNING LABEL is designed to the Hitachi Authorized Service Center when requesting repair or other maintenance. English MAINTENANCE NOTE: The information contained in this Manual may show details...
... Read section titled "SAFETY" (pages 4 - 6). B: Code No. WARNING ⅷ Disconnect air hose and remove all nails from Nailer when: 1) doing maintenance and inspection; Service parts list A: Item No. This Parts List will eventually require servicing or replacement of parts because of reach children. 3. A new WARNING LABEL is designed to the Hitachi Authorized Service Center when requesting repair or other maintenance. English MAINTENANCE NOTE: The information contained in this Manual may show details...
Instruction Manual
Page 17
... on air compressor tank. Driven nail is driven. Drives properly during normal operation, but no nail is bent. Driver blade worn? Piston O - Check air pressure. Piston O - ring cut or heavily worn? Nail feeder (A) worn or damaged? CORRECTION Clear a jam. Replace nail feeder (A). English Maintenance chart ACTION Drain air line filter daily. Promote operator safety and efficient Nailer operation. Keep the Nailer operated properly. Follow manufacturer's instructions. Weak drive. Contact Hitachi for replacement. Prevent a jam. HOW Open manual...
... on air compressor tank. Driven nail is driven. Drives properly during normal operation, but no nail is bent. Driver blade worn? Piston O - Check air pressure. Piston O - ring cut or heavily worn? Nail feeder (A) worn or damaged? CORRECTION Clear a jam. Replace nail feeder (A). English Maintenance chart ACTION Drain air line filter daily. Promote operator safety and efficient Nailer operation. Keep the Nailer operated properly. Follow manufacturer's instructions. Weak drive. Contact Hitachi for replacement. Prevent a jam. HOW Open manual...
Instruction Manual
Page 56
Shinagawa Intercity Tower A, 15-1, Konan 2-chome, Minato-ku, Tokyo 108-6020, Japan Distributed by Hitachi Koki Co., Ltd. Norcross, GA 30093 Hitachi Koki Canada Co. 450 Export Blvd. Unit B, Mississauga ON L5T 2A4 707 Code No. Issued by Hitachi Koki U.S.A., Ltd. 3950 Steve Reynolds Blvd. C99165961 Printed in Taiwan
Shinagawa Intercity Tower A, 15-1, Konan 2-chome, Minato-ku, Tokyo 108-6020, Japan Distributed by Hitachi Koki Co., Ltd. Norcross, GA 30093 Hitachi Koki Canada Co. 450 Export Blvd. Unit B, Mississauga ON L5T 2A4 707 Code No. Issued by Hitachi Koki U.S.A., Ltd. 3950 Steve Reynolds Blvd. C99165961 Printed in Taiwan