Hitachi C 6DC2 Technical And Service Manual
Hitachi C 6DC2 Technical And Service Manual

Hitachi C 6DC2 Technical And Service Manual

Cordless circular saw

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MODEL
C 6DC2
POWER TOOLS
C
TECHNICAL DATA
CORDLESS CIRCULAR SAW
AND
C 6DC2
SERVICE MANUAL
LIST No. F873
Jun. 2002
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

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Summary of Contents for Hitachi C 6DC2

  • Page 1 MODEL C 6DC2 POWER TOOLS TECHNICAL DATA CORDLESS CIRCULAR SAW C 6DC2 SERVICE MANUAL LIST No. F873 Jun. 2002 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 5620DWA MAKITA...
  • Page 3: Table Of Contents

    During Sales Promotion ........................10 9. REPAIR GUIDE ..........................11 9-1. Precautions in Disassembly and Reassembly .................. 11 9-2. Precautions in Disassembly and Reassembly of Battery Charger ........... 18 10. STANDARD REPAIR TIME (UNIT) SCHEDULES ................ 19 Assembly Diagram for C 6DC2...
  • Page 4: Product Name

    1. PRODUCT NAME Hitachi Cordless Circular Saw, Model C 6DC2 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.
  • Page 5: Selling Point Descriptions

    (3) Conveniently located light to illuminate work The Model C 6DC2 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.
  • Page 6 (6) Adjustable guide piece The Model C 6DC2 is equipped with an adjustable guide piece that aligns a saw blade with a premarked cutting line. When the guide piece become misadjusted, simply loosen the fixing screw and relocate the guide piece to the proper position.
  • Page 7: Specifications

    5. SPECIFICATIONS Model C 6DC2 Saw blade diameter 165 mm (6-1/2") 0 --- 57 mm (0 --- 2-1/4") at 90˚ Cutting depth at 45˚ 0 --- 40 mm (0 --- 1-9/16") Type of motor DC magnet motor Type of handle...
  • Page 8 1) Saw blade For the U.S.A. and Canada Code No. Hole diameter No. of teeth External diameter 302407 15.9 mm (5/8") 16 pieces 165 mm (6-1/2") 317451 15.9 mm (5/8") 40 pieces 165 mm (6-1/2") For Australia and New Zealand Code No.
  • Page 9: Comparisons With Similar Product

    6. COMPARISONS WITH SIMILAR PRODUCT HITACHI Maker C 6DC2 Model 54 mm (2-1/8") 90˚ 57 mm (2-1/4") Max. Cut depth 45˚ 38 mm (1-1/2") 40 mm (1-9/16") Diameter 165 mm (6-1/2") 165 mm (6-1/2") Saw blade 24 pieces No. of chips 40 pieces No-load speed (/min.)
  • Page 10: Precautions In Sales Promotion

    8. PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Model C 6DC2 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.
  • Page 11 (10) Disposal of the Type Model 1820 battery. Ensure that all customers understand that Model EB 1820 Batteries should be turned to a Hitachi Power Tool sales outlet or authorized service center when they are no longer capable of being recharged or repaired. If thrown into a fire, the batteries may explode, or if discarded indiscriminately, leakage of the cadmium compound contained in the battery may cause environmental pollution.
  • Page 12: Caution Plates

    8-2. Caution Plates (1) The following basic safety precautions are listed on the Name Plate attached to the main body of each tool. For Australia and New Zealand For the U.S.A. and Canada (2) The following cautions are listed on the Name Plate attached to each Model EB 1820 Battery. For the U.S.A.
  • Page 13: Inherent Drawbacks Of Cordless Circular Saws Requiring Particular Attention During Sales Promotion

    (1) Do not overload the motor. As the Model C 6DC2 is a battery-powered cordless circular saw, the motor's output and torque are less than those of ordinary AC-powered circular saws. Do not twist or thrust the main body during cutting. Otherwise, the motor becomes locked and will cause burning of the motor or deterioration of the battery.
  • Page 14: Repair Guide

    9-1. Precautions in Disassembly and Reassembly The [Bold] numbers in the description below correspond to the item numbers in the Parts List and the exploded assembly diagram for the Model C 6DC2. 9-1-1. Disassembly (1) Removal of the TCT Saw Blade [11] While pressing the Lock Lever [22], turn the Bolt (W/Washer) M7 x 17.5 [13] clockwise with the attached Box...
  • Page 15 (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 [27]. Remove the Safety Cover [4] from the Bearing Holder [2]. Fig.
  • Page 16 (4) Removal of the Handle Cover [45] Remove the five Tapping Screws (W/Flange) D4 x 16 (Black) [46] to remove the Handle Cover [45]. (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].
  • Page 17 (6) Removal of the Base Ass'y [63] Extract the Roll Pin D6 x 45 [60] that connects the Base Ass'y [63] and the Housing [32]. Remove the Base Ass'y [63]. [60] [63] [32] Fig. 5 --- 14 ---...
  • Page 18 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) [19] [18] [17]...
  • Page 19 (c) Connect the internal wires as illustrated in Fig. 8. Mount the Knob [44], Terminal (A) [43] and Spring (F) [42] without fail. Be careful that lead wire not touch knob. [44] [43] After putting knob's "convex" in the hole of terminal (A), assemble into the housing.
  • Page 20 (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) [24] (5 grams in total).
  • Page 21: Precautions In Disassembly And Reassembly Of Battery Charger

    (5) Tightening torque of each screw is given below. Machine Screw (W/Washer) M3.5 x 6 [39] ......0.6 0.15 N m (6 1.5 kgf-cm, 5.2 1.3 in-lbs.) • Special Bolt M5 [21] ............1.0 0.5 N m (10 5 kgf-cm, 8.7 4.3 in-lbs.) •...
  • Page 22: Standard Repair Time (Unit) Schedules

    10. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable 60 min. MODEL Fixed Work Flow C 6DC2 Switch Handle Cover Inner Cover Housing (A) Ass'y Motor (B) Ball Bearing (609VV) Inner Cover (B) Lock Lever General Assembly TCT Saw Blade Saw Cover...
  • Page 23 LIST NO. F873 ELECTRIC TOOL PARTS LIST CORDLESS CIRCULAR SAW 2002 • • Model C 6DC2 (E1)
  • Page 24 PARTS C 6DC2 ITEM CODE NO. DESCRIPTION REMARKS USED 317-468 GEAR 308-361 BEARING HOLDER 305-568 SEAL LOCK FLAT HD. SCREW M5X12 317-202 SAFETY COVER 317-203 RETURN SPRING 600-2VV BALL BEARING 6002VVCMPS2L 308-362 BEARING COVER 308-773 SEAL LOCK FLAT HD. SCREW M3X12...
  • Page 25 PARTS C 6DC2 ITEM CODE NO. DESCRIPTION REMARKS USED 321-002 INTERNAL WIRE 996-118 HOLDER SPRING 321-001 TERMINAL 320-997 TERMINAL PIECE 321-000 TERMINAL 317-200 MACHINE SCREW (W/WASHERS) M4X8 (BLACK) 321-006 GUIDE PIECE 307-898 WING BOLT M6X18 941-056 SPRING 314-620 BOLT ASS’Y (SQUARE) M6X22 1 INCLUD.37...
  • Page 26: Standard Accessories

    C 6DC2 STANDARD ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED CHARGER (MODEL UC 24YFA) 940-543 BOX WRENCH 10MM 302-756 GUIDE 321-100 CASE --- 4 --- * ALTERNATIVE PARTS 6 -- 02 Printed in Japan (020630N)

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