Hitachi C 6DC Technical Data And Service Manual

Text of Hitachi C 6DC User Guide:

• Hitachi C 6DC, 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: Symbols Utilized Competitors Company Name Model Name T DEWALT DW936K C MAKITA 5620DWA

• Hitachi C 6DC, Page CONTENTS [ Business Section ] 1. PRODUCT NAME •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 1 2. MARKETING OBJECTIVE •••••••••••••••••••••

• Hitachi C 6DC, --- 1 --- 1. PRODUCT NAME Hitachi Cordless Circular Saw, Model C 6DC 2. MARKETING OBJECTIVE Circular saws are highly sought in the United States and some other countries where a majority of houses are of 2 x 4 construction. While we have so far met this demand with our AC-powered saws, the need for cordless tools is growing for working on sites with no or few power supply facilities. We have thus developed this model which is equipped with a 165 mm (6-1/2") saw blade capable of cutting a 2 x 4 piece of wood with a single pass of the blade even at an angle of 45 . This feature is expected to make this product series stand

• Hitachi C 6DC, --- 2 --- 4-1. Selling Point Descriptions (1) 40T TCT saw blade cuts 57 mm (2-1/4") max. at 90 deg. The Model C 6DC is equipped with a 165 mm (6-1/2") tungsten-carbide tipped saw blade as a standard attachment. Its maximum cutting depth is 57 mm (2-1/4"), while maker C's maximum cutting depth is 54 mm (2-1/8"). (2) 40T TCT saw blade cuts 40 mm (1-9/16") max. at 45 deg. (Suitable for cutting 2 x 4 materials) The Model C 6DC's maximum cutting depth is 40 mm (1-9/16") at 45 degrees inclined cutting. Therefore, a 2 x 4 workpiece can be easily cut at 45 degrees inclined cutting. (3) Well-balanced and comfortable-to-grip switch ha

• Hitachi C 6DC, --- 3 --- (4) Convenient spotlight for lighting blade edges and cutting lines The Model C 6DC is the first product in the portable circular saw industry equipped with a spotlight for lighting blade edges. The working efficiency is improved because the spotlight helps to align the saw blade with a premarked cutting line even in a dimly lit workplace. Because the light switch and the off-lock switch lever are integrated into one switch, the switch operation is easy and the spotlight can be lit before starting the saw blade. The spotlight is automatically turned off when turning off the power switch. A standard automotive light bu

• Hitachi C 6DC, --- 4 --- 5. SPECIFICATIONS Model C 6DC Saw blade diameter 165 mm (6-1/2") at 90 0 --- 57 mm (0 --- 2-1/4") at 45 0 --- 40 mm (0 --- 1-9/16") Housig, Handle cover Glassfiber reinforced polyamide resin Saw cover, Safety cover ABS resin No-load 3,400 /min Enclosure Rotation speed Cutting depth Type of motor DC magnet motor Type of handle D type Type of switch Trigger switch (automatic return type with switch-lock) Charger ABS resin Battery Glassfiber reinforced polyamide resin 20 ACurrent (A) Type of battery Sealed cylindrical nickel cadmium battery Battery (Model EB 18B) Nominal voltage DC 18V Nominal service life Charging/discharging: approximately 1,000 cycles N

• --- 5 --- 1) Saw blade For America and Canada External diameter Hole diameter No. of teeth Code No. 165 mm (6-1/2") 15.9 mm (5/8") 16 pieces 302407 165 mm (6-1/2") 15.9 mm (5/8") 40 pieces 317451 For Australia and New Zealand External diameter Hole diameter No. of teeth Code No. 165 mm (6-1/2") 20 mm (25/32") 40 pieces 317452 2) Battery For

• Hitachi C 6DC, --- 6 --- 6. COMPARISONS WITH SIMILAR PRODUCTS Max. cut depth Diameter Maker Model 90 45 No. of chips Saw blade No-load speed (/min) Battery Nominal capacity Nominal voltage Charging time* Brake Adjustable guide piece Base material Blade edge illumination Carbon brushes replacements Dimension Length Height Width Tool weight No-load-noise level [dB (A)] HITACHI C 6DC 57 mm (2-1/4") 40 mm (1-9/16") 165 mm (6-1/2") 40 pieces 3,400 2,000 mAh 18 V 60 minutes Equipped Equipped Aluminum die casting Equipped Unable 355 mm (14") 247 mm (9-3/4") 191 mm (7-1/2&quo

• Hitachi C 6DC, --- 7 --- 8. PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Model C 6DC Cordless Circular Saw 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 Handling Instructions, and fully understands the meaning of the precautions listed on the Caution Plate and Name Plate attached to each tool. 8-1. Handling Instructions Salespersonnel must thoroughly be familiar with the contents of the Handling Ins

• --- 8 --- CAUTION For safe operation, see instruction manual. Use HITACHI charger UC 24YF for recharging. CAUTION Read thoroughly HANDLING INSTRUCTIONS before use. Do not disassemble nor throw into fire. CAUTION Read thoroughly HANDLING INSTRUCTIONS before use. DANGER --- Keep hands and body parts away from blade. Contact with blade wi

• Hitachi C 6DC, --- 9 --- CAUTION For safe operation, see instruction manual. Charger HITACHI rechargeable batteries type EB 7, EB 9, EB 12, EB 14, EB 18 and EB 24 series. Other types of batteries may burst causing personal injury and damage. Charge between 32 F and 104 F. Indoor use only. Replace defective cord immediately. (3) The following cautions are listed on the Name Plate attached to each Model UC 24YF Charger. For the U.S.A. and Canada 8-3. Inherent Drawbacks of Cordless Circular Saws Requiring Particular Attention During Sales Promotion The cordless circular saw offers many advantages; it can be used in places where no power source is available, the absence of a cord

• Hitachi C 6DC, --- 10 --- Fig. 1 9 10 11 12 13 9. REPAIR GUIDE [WARNING] Without fail, remove the storage battery from the main body of the tool before starting repair or maintenance work. If the battery is left in and the switch is activated inadvertently, the motor will start rotating unexpectedly, which could cause serious injury. 9-1. Precautions in Disassembly and Reassembly The [Bold] numbers in the description below and the circled numbers in the following figures correspond to the item numbers in the parts list and the exploded assembly diagram for the Model C 6DC. 9-1-1. Disassembly (1) Removal of the

• Hitachi C 6DC, --- 11 --- Fig. 2 2 4 5 7 8 Fig. 3 28 30 36 37 42 (2) Removal of the Safety Cover [4] Remove the three Seal Lock Flat Hd. Screws M3 x 12 [8] and then the Bearing Cover [7]. Remove the Return Spring [5] from the Saw Cover [28]. Remove the Safety Cover [4] from the Bearing Holder [2]. (3) Removal of the Saw Cover [28] Remove the Bolt Ass'y (Square) M6 x 22 [42]. Remove the Tapping Screw (W/Flange) D5 x 50 [30] and then the Saw Cover [28].

• Hitachi C 6DC, --- 12 --- Fig. 4 19 20 22 23 24 25 26 33 1 2 3 32 (4) Removal of the Handle Cover [55] Remove the five Tapping Screws (W/Flange) D4 x 16 [56] to remove the Handle Cover [55]. (5) Disassembly of the Gear [1] and Motor (B) [19] (a) Remove the Seal Lock Flat Hd. Screw M5 x 12 [3] to remove the Bearing Holder [2] and the Gear [1]. Remove the Gear [1] from the Bearing Holder [2]. (b) Remove Inner Cover (A) [20], (B) [25] and Motor (B) [19] from the Housing [32]. Remove the Nylock Bolt (W/Flange) M4 x 12 [26] to remove Inner Cover (B) [25]. (c) Remove the Lock Lever [23] and the Spring [33], then remove the Ball Bearing [24] from the pi

• Hitachi C 6DC, --- 14 --- Fig. 6-1 47 48 49 59 50 51 17 18 19 57 58 59 60 61 64 63 62 61 60 9-1-2. Reassembly Reassembly can be accomplished by following the disassembly procedures in reverse, with some items to be noted as follows. (1) Reassembly of the components for power supply (a) Be sure to perform wiring connections as indicated in the wiring diagram (Fig. 9-1 or 9-2). For the U.S.A. and Canada

• Hitachi C 6DC, --- 15 --- Fig. 6-2 60 61 62 63 64 61 60 59 57 58 47 48 49 51 17 18 19 Fig. 7 19 20 For Australia and New Zealand (b) Mount Inner Cover (A) [20] to Motor (B) [19] as illustrated in Fig. 7. Adjust the screw boss of Inner Cover (A) [20] to the hole of Motor (B) [19].

• --- 16 --- Fig. 8-1 59 50 51 54 53 52 49 17 57 58 A --- A A A 19 47 59 63 Plus side Brown Red Brown Terminal No.2 Terminal No.3 After putting 54 knob's "convex" in the hole of terminal (A), assemble into the housing. Insert the lead wire into the groove. Insert the groove portion of the terminal into the rib of the housing. Insert the leadwir

• Hitachi C 6DC, --- 17 --- Fig. 9-1 Lamp [57] Conector [59] Brown Blue Conector [59] Resistor (A) [47] Switch [51] Terminal [50] Resistor [49] Black Red (2) Reassembly of the Gear [1] (a) Apply grease (Hitachi Motor Grease No. 29) to the pinion and the meshing parts of the Gear [1], and also to the inside of the metal of Inner Cover (B) [25]. 5 Grams in total. (b) When securing Inner Cover (A) [20] to Inner Cover (B) [25] with the Nylock Bolt (W/Flange) M4 x 12 [26], be careful not to interfere with the rotation of the pinion. (3) Checking of operation aft

• Hitachi C 6DC, --- 18 --- Fig. 9-2 Lamp [57] Brown Blue Connector [59] Resistor (A) [47] Switch [51] Resistor [49] Black Red For Australia and New Zealand Motor (B) [19] (5) Tightening torque of each screw is given below. Machine Screw (W/Washer) M3.5 x 6 [48] ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 6 1.5 kg • cm Machine Screw M5 x 10 [22] ••••••••••••••••••••••••••••••••••••••••••••••••••�

• Hitachi C 6DC, --- 19 --- 9. STANDARD REPAIR TIME (UNIT) SCHEDULES MODEL 10 20 30 40 50 60 min. Fixed Variable C 6DC Work Flow Switch Socket Saw Blade Safety Cover Return Spring Inner Cover (B) Ball Bearing (609VV) Inner Cover (A) Lock Lever Saw Cover Gear Bearing Holder Ball Bearing (6002VV) Housing Motor (B) General Assembly Base Ass'y

• Hitachi C 6DC, --- 21 --- PARTS C 6DC : ALTERNATIVE PARTS ITEM NO. CODE NO. DESCRIPTION NO. USED REMARKS 1 317-468 GEAR 1 2 308-361 BEARING HOLDER 1 3 305-568 SEAL LOCK FLAT HD. SCREW M5X12 2 4 317-202 SAFETY COVER 1 5 317-203 RETURN SPRING 1 6 600-2VV BALL BEARING 6002VVCMPS2S 1 7 308-362 BEARING COVER 1 8 308-773 SEAL LOCK FLAT HD. SCREW M3X12 3 * 9 317-465 WASHER (A2) 1 * 9 317-466 WASHER (A1) 1 FOR USA,CAN * 10 990-100 RING D15.9/I.D14.5 1 FOR USA,CAN * 11 317-452 TCT SAW BLADE 165MM-D20 HOLE 1 * 11 317-451 TCT SAW BLADE 165MM-D15.88 HOLE 1 FOR USA,CAN 12 317-467 WASHER (B1) 1 13 957-749 BOLT (W/WASHER) M7X17.5 1 14 317-204 LIGHT COVER ASS'Y 1 INCLUD.15 15 LAB

• Hitachi C 6DC, --- 22 --- : ALTERNATIVE PARTS * 12 ---- 98 C 6DC ITEM NO. CODE NO. DESCRIPTION NO. USED REMARKS 50 317-461 TERMINAL 1 51 980-061 SWITCH (1P SCREW TYPE) W/O LOCK 1 52 301-631 SPRING (F) 1 53 317-207 TERMINAL (A) 1 54 314-299 KNOB 1 55 317-463 HANDLE COVER 1 56 305-812 TAPPING SCREW (W/FLANGE) D4X16 (BLACK) 5 57 315-229 LAMP (12V 5W) 1 58 317-212 SOCKET 1 59 959-141 CONNECTOR 50092 (10 PCS.) 2 60 958-715 TAPPING SCREW D4X10 2 61 996-118 HOLDER SPRING 2 62 317-458 TERMINAL 1 63 308-037 TERMINAL PIECE 1 64 317-214 TERMINAL 1 * 65 317-326 BATTERY EB 18B (W/ENGLISH N.P.) 1 * 65 317-327 BATTERY E

• Hitachi C 6DC, --- 23 --- 12 ---- 98 Printed in Japan (981220 N) STANDARD ACCESSORIES C 6DC ITEM NO. CODE NO. DESCRIPTION NO. USED REMARKS 501 CHARGER (MODEL UC 24YF) 1 502 302-756 GUIDE 1 503 940-543 BOX WRENCH 10MM 1 504 317-218 CASE 1

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