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MODEL
C 6DD
POWER TOOLS
C
TECHNICAL DATA
CORDLESS CIRCULAR SAW
AND
C 6DD
SERVICE MANUAL
LIST No. F849
May 2001
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

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   Summary of Contents for Hitachi C 6DD

  • Page 1

    MODEL C 6DD POWER TOOLS TECHNICAL DATA CORDLESS CIRCULAR SAW C 6DD SERVICE MANUAL LIST No. F849 May 2001 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT...

  • Page 2

    Notice for use Specifications and parts are subject to change for improvement. Refer to Hitachi Power Tool Technical News for further information.

  • Page 3

    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 MAKITA 5621RDWB...

  • Page 4: Table Of Contents

    During Sales Promotion ......................9 9. REPAIR GUIDE ..........................10 9-1. Precautions in disassembly and Reassembly ................10 9-2. Precautions in disassembly and Reassembly of Battery Charger ......... 14 10. STANDARD REPAIR TIME (UNIT) SCHEDULES ..............15 Assembly Diagram for C 6DD...

  • Page 5: Product Name

    AC-powered circular saw and the newly developed carbon brush-replaceable powerful motor, the Model C 6DD offers AC-powered product level durability. In addition, the Model C 6DD is equipped with a convenient spotlight that enables operation in poor light areas for better operability.

  • Page 6: Selling Point Descriptions

    The shape, angle and location of the handle are important considerations in designing an easy-to-use circular saw. The shape, angle and location of the Model C 6DD's handle are similar to those of Hitachi's AC-powered circular saws that are familiar to users. A nonskid and shock-absorbing elastomer is used at the palm side of the grip for easier operation.

  • Page 7

    (9) Dust collector set available as option A dust collector set is available as an optional accessory for the Model C 6DD. When the cutting operation produces bothersome saw dust and wood chip dispersion, particularly in indoor use, attaching the dust collector set to the main body and connecting it to a vacuum cleaner will minimize dust dispersion for cleaner and more comfortable operation.

  • Page 8: Specifications

    5. SPECIFICATIONS Model C 6DD Saw blade diameter 165 mm (6-1/2") Cutting depth 0 --- 55 mm (0 ---2-5/32") at 90˚ at 45˚ 0 --- 40 mm (0 ---1-9/16") Type of motor DC magnet motor Type of handle D type...

  • Page 9

    1) Saw blade Code No. Hole diameter No. of teeth External diameter 302407 15.9 mm (5/8") 16 pieces 165 mm (6-1/2") 302409 30 mm (1-3/16") 16 pieces 165 mm (6-1/2") 2) Battery Code No. Model 317326 EB 18B (2.0 Ah) 319764 EB 1820 (2.0 Ah) 319765...

  • Page 10: Comparisons With Similar Product

    6. COMPARISONS WITH SIMILAR PRODUCT HITACHI Maker Model C 6DD 90˚ 55 mm (2-5/32") 54 mm (2-1/8") Max. cut depth 45˚ 40 mm (1-9/16") 38 mm (1-1/2") Diameter 165 mm (6-1/2") 165 mm (6-1/2") Saw blade No. of chips 16 pieces 24 pieces No-load speed (/min.)

  • Page 11: Precautions In Sales Promotion

    8. PRECAUTIONS IN SALES PROMOTION In the interest of promoting the safest and most efficient use of the Model C 6DD 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 12: Caution Plate

    Ensure that all customers understand that Type EB 1820 or EB 1830H Storage Batteries should be returned to the Hitachi power tool sales outlet or the 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 13: Inherent Drawbacks Of Cordless Circular Saw Requiring Particular Attention During Sales Promotion

    (1) Do not overload the motor. As the Model C 6DD 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. 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.

  • Page 15

    (5) Removal of the Armature Ass'y DC 18V [45] First, remove the two Brush Caps [54], and take out the two Carbon Brushes [53]. The Carbon Brush [53] can be easily taken out by hooking the protrusion of the Carbon Brush [53] with the tip of a flat-blade screwdriver as shown in Fig.

  • Page 16

    9-1-2. Reassembly Reassembly can be accomplished by following the disassembly procedures in reverse. However, special attention should be given to the followng items. (1) Tightening torques for fastening screws and bolts Seal Lock Flat Hd. Screw M4 x 10 [14] ........14 to 22 kgf•cm (12 to 19 in•lbf) Bolt (W/Flange) M8 x 15.5 [18] ............

  • Page 17

    (4) Reassembly of the Bearing Holder [8] with the Spindle and Gear Set [7] It becomes difficult to mount both the Bearing Holder [8] and the Spindle and Gear Set [7] to the Gear Cover Ass'y [3] if grease gets in the metal chamber of the Gear Cover Ass'y [3]. Very lightly apply grease on the metal sliding surface of the spindle being careful not to get grease in the metal chamber.

  • Page 18: Precautions In Disassembly And Reassembly Of Battery Charger

    (7) Internal wire arrangement (See Fig. 5.) Connect internal wires as illustrated in Fig. 5. At this time, ensure that none of the wires are pinched between components during assembly. Mount the Knob [39], Terminal (A) [38] and Spring (F) [37] without fail. Connect the brown internal wire of the Terminal Piece Set [55] in the "+"...

  • Page 19: Standard Repair Time (unit) Schedules

    10. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable 60 min. MODEL Fixed Work Flow C 6DD Handle Cover Switch Housing Magnet General Assembly Saw Blade Armature Ass'y Safety Cover Ball Bearing (608VV) Return Spring Ball Bearing (6001VV) Gear Cover Ass'y Spindle and...

  • Page 20

    LIST NO. F849 ELECTRIC TOOL PARTS LIST CORDLESS CIRCULAR SAW 2001 • • Model C 6DD (E1) 17 18...

  • Page 21

    PARTS C 6DD ITEM CODE NO. DESCRIPTION REMARKS USED 600-1VV BALL BEARING 6001VVCMPS2L 958-130 RUBBER RING 302-742 GEAR COVER ASS’Y INCLUD.2,5,6 HITACHI LABEL 961-729 CUSHION 949-794 FLAT HD. SCREW M6X20 (10 PCS.) 319-829 SPINDLE AND GEAR SET 302-433 BEARING HOLDER...

  • Page 22

    PARTS C 6DD ITEM CODE NO. DESCRIPTION REMARKS USED 319-828 BRUSH HOLDER (WITH BLACK INTERNAL WIRE) 319-832 TAIL COVER 319-827 BRUSH HOLDER (WITH RED INTERNAL WIRE) 999-058 CARBON BRUSH (1 PAIR) 319-847 BRUSH CAP 319-821 TERMINAL PIECE SET 319-826 RESISTOR (A) 959-141 CONNECTOR 50092 (10 PCS.)

  • Page 23: Standard Accessories

    STANDARD ACCESSORIES C 6DD ITEM CODE NO. DESCRIPTION REMARKS USED 319-836 CASE CHARGER (MODEL UC 24YFA) 302-478 BOX WRENCH 13MM 302-756 GUIDE OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 302-981 DUST COLLECTOR SET (D) --- 4 --- Printed in Japan...

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