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Hitachi N 5008AC Technical And Service Manual
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Hitachi N 5008AC Technical And Service Manual

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MODEL
N 5008AC
POWER TOOLS
TECHNICAL DATA
STAPLER
AND
N 5008AC
SERVICE MANUAL
N
LIST No. E003
Oct. 2001
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

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Summary of Contents for Hitachi N 5008AC

  • Page 1 MODEL N 5008AC POWER TOOLS TECHNICAL DATA STAPLER N 5008AC SERVICE MANUAL LIST No. E003 Oct. 2001 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT...
  • Page 2 REMARK: Throughout this TECHNICAL DATA AND SERVICE MANUAL, a symbol(s) is(are) used in the place of company name(s) and model name(s) of our competitor(s). The symbol(s) utilized here is(are) as follows: Competitors Symbols Utilized Company Name Model Name SNS40 SENCO PASLODE 3200-S16P T50S4...

  • Page 3: Table Of Contents

    10-3. Disassembly and Reassembly of the Control Valve Section ............21 10-4. Disassembly and Reassembly of the Driving Section and the Magazine Section ...... 22 11. INSPECTION AND CONFIRMATION AFTER REASSEMBLY ..........23 12. STANDARD REPAIR TIME (UNIT) SCHEDULES ..............24 Assembly Diagram for N 5008AC...

  • Page 4: Product Name

    Model N 5008AB are described below. (1) The weight of the Model N 5008AC is 2.0 kg (4.4 lbs.) and it is lighter than the current Model N 5008AB about 500 g (1.2 lbs.) thanks to the adoption of the plastic magazine. The staple shoulder sliding portion of the magazine is wear-resistant.

  • Page 5: Specifications

    5. SPECIFICATIONS 5-1. Specifications N 5008AC Model Driving system Reciprocating piston type 5 --- 8.5 kgf/cm (70 -- - 120 psi, 4.9 --- 8.3 bar) (Gauge pressure) Operating pressure Driving speed Min. 3 pcs./sec. Weight 2.0 kg (4.4 lbs.) Dimensions...

  • Page 6: Staple Selection

    5-2. Staple Selection The Model N 5008AC utilizes medium crown staples, gauge #16, 7/16" width crown collated by adhesive. Applicable staple dimensions are shown below. CAUTION: Ensure that staples are as specified in Fig. 1. Other gauge staples and other crown width staples will cause clogging of staples and subsequent damage to the stapler.

  • Page 7: Staple Driving Force

    Sequential trip mechanism kit (Single shot) (Code No. 876762) A sequential trip mechanism kit is provided as an optional accessory for the Model N 5008AC. By using this optional accessory, a staple is driven by pressing the pushing lever first against a workpiece and then pulling the trigger (single-shot operation), and no staple is driven when pulling the trigger first and then pressing the pushing lever against a workpiece.

  • Page 8: Comparisons With Similar Products

    --- 5 ---...

  • Page 9: Precautions In Sales Promotion

    7. PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Model N 5008AC Stapler by all of our customers, it is very important that at the time of sale the salesperson carefully ensures that the buyer seriously recognizes the importance of the contents of the Instruction Manual, and fully understands the meaning of the precautions listed on the Warning Label attached to each tool.

  • Page 10: Related Laws And Regulations

    7-3. Related Laws and Regulations As nailers and staplers are designed to instantaneously drive nails and staples, there is an ever-present danger of misfiring and subsequent possible serious injury. Accordingly, close attention in handling is absolutely necessary at all times. Carefully ensure that the customer is fully aware of the precautions listed in the Instruction Manual provided with each unit.

  • Page 11: Mechanism And Operation Principle

    8. MECHANISM AND OPERATION PRINCIPLE 8-1. Mechanism As illustrated in Fig. 3, the Model N 5008AC can be generally divided into four sections: output section, control valve section, driving section and magazine section. The driving section (nose and piston) and the magazine section have been newly designed though its basic construction is the same as that of the Model NT 65A2 (valve section is common to the Model NT 65A2).

  • Page 12: Operation Principle

    8-2. Operation Principle The operation of the Model N 5008AC is illustrated and described in Fig. 4 through 7. The circled numbers in the descriptions correspond to the item numbers shown in the mechanism illustrated in Fig. 3. In Fig. 5 and Fig. 7, read the descriptions in alphabetical order.
  • Page 13 Compressed air is applied Although air pressure is applied to both the to the upper side of the upper and lower sides of the cylinder, the Exhaust Valve < 2 >, forcing cylinder is forced downward due to the larger it downward and closing Cylinder ring effective area of the upper side.
  • Page 14 Air pressure is applied in the shaded areas in the illustration, and each component is held in the position illustrated. If the operator's grip is loosened, air will leak. At there is no o-ring installed here, a very small amount of air will leak from the slight clearance between the components.
  • Page 15 The air pressure on the upper surface of the Exhaust Valve < 2 > is released, and the exhaust valve is pushed upward by the air pressure within the cylinder. This opens the Exhaust Vent < 3 >, and the air pressure in the cylinder is discharged from the nailer.

  • Page 16: Troubleshooting Guide

    9. TROUBLESHOOTING GUIDE 9-1. Troubleshooting and Correction Possible cause Problem Inspection method Remedy : most-common cause) 1) Staples <Staples> cannot The magazine is not loaded Check if the magazine is Use specified staples. be driven. with specified genuine normally loaded with staples.
  • Page 17 Possible cause Problem Inspection method Remedy : most-common cause) See item 1). See item 1). Staples are not fully fed into 2) Staples bent the injection port. while being driven. See item 1). See item 1). Unspecified staples used. Replace the part. Check if the driver blade tip Driver blade worn.

  • Page 18: Possible Causes And Corrections Of Air Leakage

    9-2. Possible Causes and Corrections of Air Leakage Air leakage repair location --- 15 ---...
  • Page 19 Inspection priorities: In the table below, possible causes of air leakage and their repair procedures are marked in accordance with the likelihood of possible failure. (1) First priority items are marked with an asterisk ( ). (2) Second priority items (seal portions) are marked with a double circle ( (3) Remaining items are marked with a single circle ( ).

  • Page 20: Disassembly And Reassembly

    Apply grease (Nippeco SEP-3A, Code No. 930035) to the O-rings and O-rings' sliding portions. When installing the O-rings, be careful not to damage the O-rings and prevent dirt entry. Oil required: Hitachi pneumatic tool lubricant 1 oz (30 cc) oil feeder (Code No. 877153) 4 oz (120 cc) oil feeder (Code No.

  • Page 21: Disassembly And Reassembly Of The Output Section

    10-2. Disassembly and Reassembly of the Output Section (1) Piston [9], Cylinder [13] and related parts Tool required: Hexagon bar wrench (4 mm) (a) Disassembly (See Figs. 8, 9 and 10.) Remove the four Hex. Socket Hd. Bolts M5 x 20 [1], and take off the Exhaust Cover [3]. The Piston [9] can then be taken out.
  • Page 22 Piston [9] Cylinder Guide [17] Cylinder Plate [12] Cylinder [13] Body [20] Cylinder Ring [14] Fig. 10 Piston [9] Fig. 11 --- 19 ---...
  • Page 23 (2) Head Cap [7], Exhaust Valve [6] and related parts (See Fig. 12.) Tool required: Hexagonal bar wrench (4 mm) (a) Disassembly As described in paragraph 10-2-(1), remove the Exhaust Cover [3]. Remove the two Hex. Socket Hd. Bolts M5 x 20 [1] and, such as illustrated in Fig. 12, disassemble the Head Cap [7], the Exhaust Valve [6] and Gasket (C) [5] in that order.
  • Page 24 (3) Piston Bumper [22] and the related parts (See Fig. 13.) Tools required Hexagon bar wrench (4 mm) Roll pin puller (3 mm (0.118") dia.) 8 mm (0.315") spanner (a) Disassembly Pull out the Roll Pin D3 x 30 [37] and remove the Nylock Bolt (W/Flange) M5 x 8 [54] to remove the Guard [55].

  • Page 25: Disassembly And Reassembly Of The Control Valve Section

    10-3. Disassembly and Reassembly of the Control Valve Section Tools required: Roll pin puller (3 mm (0.118") dia.) Flat-blade screwdriver (a) Disassembly (See Fig. 14.) Remove the driving section and the magazine section as described in section 10-2-(3). With the roll pin puller (3 mm (0.118") dia.), take out the Roll Pin D3 x 30 [53], and remove the Trigger [52], Trigger Plunger [51] and Plunger (B) [45].
  • Page 26 10-4. Disassembly and Reassembly of the Driving Section and the Magazine Section (1) Nose [25], Pushing Lever [31] and the magazine section (See Fig. 16.) Tool required Hexagon bar wrench (4 mm) Roll pin puller (3 mm (.118) dia., 5 mm (.197") dia.) Flat-blade screwdriver (a) Disassembly Perform disassembly according to 10-2-(3) to remove the Nose [25], Pushing Lever [31], and the magazine...

  • Page 27: Inspection And Confirmation After Reassembly

    (b) Reassembly Disassembly procedures should be followed in the reverse order. Note the following points. Insert the pointed end of the Hinge Pin [67]. Mount the Cover Spring [58] facing the longer arm side toward the Magazine Ass'y [68] as shown in Fig. 17. Apply grease to the Shaft Ring [64] and mount it in the 8 mm (.315 ") dia.

  • Page 28: Standard Repair Time (Unit) Schedules

    12. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable 60 min. MODEL Fixed Work Flow N 5008AC Top Cover Exhaust Cover Packing x 2 Tail Cover Exhaust Valve Blade Guide Head Cap Magazine Ass'y Magazine Cover Ribbon Spring Staple Feeder General Assembly...
  • Page 29 LIST NO. E003 PNEUMATIC TOOL PARTS LIST STAPLER 2001 • • Model N 5008AC (E1)
  • Page 30 PARTS N 5008AC ITEM CODE NO. DESCRIPTION REMARKS USED 949-757 HEX. SOCKET HD. BOLT M5X20 (10 PCS.) 876-179 TOP COVER 877-917 EXHAUST COVER 876-176 GASKET (B) 876-178 GASKET (C) 878-539 EXHAUST VALVE 878-026 HEAD CAP 876-174 PISTON O-RING 883-716 PISTON...
  • Page 31 PARTS N 5008AC ITEM CODE NO. DESCRIPTION REMARKS USED 876-203 TRIGGER 949-866 ROLL PIN D3X30 (10 PCS.) 878-540 NYLOCK BOLT (W/FLANGE) M5X8 883-724 GUARD 883-723 HANDLE ARM 883-718 MAGAZINE COVER 881-043 COVER SPRING 881-044 875-650 SAFETY BOLT 949-555 NUT M5 (10 PCS.)

  • Page 32: Standard Accessories

    STANDARD ACCESSORIES N 5008AC ITEM CODE NO. DESCRIPTION REMARKS USED 944-458 HEX. BAR WRENCH 4MM 875-769 EYE PROTECTOR CAUTION TAG 882-414 LEAFLET OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 876-762 SEQUENTIAL TRIP MECHANISM KIT 881-768 GRIP TAPE (A) 880-407...

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