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MODEL
C 18DL
Hitachi
Power Tools
C
TECHNICAL DATA
CORDLESS CIRCULAR SAW
AND
C 18DL
SERVICE MANUAL
LIST No. G859
May 2007
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

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   Summary of Contents for Hitachi C 18DL

  • Page 1

    MODEL C 18DL Hitachi Power Tools TECHNICAL DATA CORDLESS CIRCULAR SAW C 18DL SERVICE MANUAL LIST No. G859 May 2007 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 BSS610 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 18DL...

  • Page 4: Product Name

    1. PRODUCT NAME Hitachi Cordless Circular Saw, Model C 18DL 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

    (1) 24T TCT saw blade cuts 57 mm (2-1/4") max. at 90 deg. The Model C 18DL 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").

  • Page 6: New Lithium-ion Battery

    12 V (Type EBM 1830)). Charge the battery immediately in such case. The motor may stop if the Model C 18DL is overloaded. In such case, release the switch and eliminate the cause of the overload problem. Then the Model C 18DL is operable.

  • Page 7: Specifications

    5. SPECIFICATIONS Model C 18DL Saw blade diameter 165 mm (6-1/2") 0 --- 57 mm (0 --- 2-1/4") at 90û Cutting depth at 45û 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 324293 15.9 mm (5/8") 24 pieces 165 mm (6-1/2") 317451 15.9 mm (5/8") 40 pieces 165 mm (6-1/2") For Australia, New Zealand and China Code No.

  • Page 9: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS HITACHI Maker C 18DL Model C 18DMR 90û 57 (2-1/4”) 57 (2-1/4”) 57 (2-1/4”) Max. cut depth 40 (1-9/16”) 40 (1-9/16”) 40 (1-9/16”) 45û 165 (6-1/2”) 165 (6-1/2”) 165 (6-1/2”) Diameter Saw blade pieces No. of chips...

  • 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 18DL 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 storage battery. Ensure that all customers understand that storage 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.

  • Page 12: Caution Plates

    For the U.S.A. and Canada For safe operation, see instruction manual. CAUTION Charge HITACHI rechargeable batteries types EB7 , EB9, EB12, EB14, EB18, BCL14, EBM18 series. Other types of batteries may burst causing personal injury and damage. Charge between 32 F and 104 F.

  • Page 13: Inherent Drawbacks Of Cordless Circular Saws Requiring Particular Attention During Sales Promotion

    (1) Do not overload the motor. As the Model C 18DL 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 18DL. 9-1-1. Disassembly (1) Removal of the TCT Saw Blade [3] While pressing the Lock Lever [25], turn the Bolt (Left Hand) W/Washer M7 x 17.5 [1] clockwise with the Box...

  • Page 15

    (2) Removal of the Protective Cover [9] Remove the three Seal Lock Flat Hd. Screws M3 x 12 [6] and then the Bearing Cover [7]. Remove the Return Spring [19] from the Saw Cover [18]. Remove the Protective Cover [9] from the Bearing Holder [12]. Remove the Bushing [10] from the Protective Cover [9].

  • Page 16

    (4) Removal of the Handle Cover [48] Remove the five Tapping Screws (W/Flange) D4 x 16 (Black) [47] to remove the Handle Cover [48]. (5) Disassembly of the Gear [13] and Motor (B) [28] (a) Remove the Seal Lock Flat Hd. Screw M5 x 12 [11] to remove the Bearing Holder [12], Gear [13] and Ball Bearing 6002VVCMPS2L [8] together.

  • Page 17

    (6) Removal of the Base Ass'y [40] Extract the Roll Pin D6 x 50 [46] that connects the Base Ass'y [40] and the Housing [34]. Remove the Base Ass'y [40]. [46] [40] [34] 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) [28] BROWN [31]...

  • Page 19

    (c) Connect the internal wires as illustrated in Fig. 8. Mount the Knob [56], Terminal (A) [55] and Spring (F) [54] without fail. [55] [56] [53] [59] [49] [54] [32] [50] [52] [51] [28] [51] (Mounting direction of Terminals [58] [60]) B -- B A -- A [58]...

  • Page 20

    (3) Checking of operation after reassembly (a) Check that the Knob [56] operates smoothly and the switch trigger can be locked and released reliably. Check that the Lamp (12V 5W) [31] is turned on when the Knob [56] is operated. (b) Check that the cutting and inclining operation of the Base Ass'y [40] is smoothly performed.

  • Page 21: Precautions In Disassembly And Reassembly Of Battery Charger

    (5) Tightening torque of each screw is given below. Machine screw of the Switch (1P Screw Type) W/O Lock [53] ... 0.4 0.1 N m (4 1 kgf-cm, 3.5 0.9 in-lbs.) • Special Bolt M5 [26] ............. 1.0 0.2 N m (10 2 kgf-cm, 8.7 1.7 in-lbs.)

  • Page 22: Standard Repair Time (unit) Schedules

    10. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable 60 min. MODEL Fixed Work Flow C 18DL Switch Socket Handle Cover Lamp (12V 5W) Housing Inner Cover (A) Ass'y Motor (B) Ball Bearing (609VV) Inner Cover (B) Lock Lever General Assembly Protective...

  • Page 23

    Hitachi Power Tools LIST NO. G859 ELECTRIC TOOL PARTS LIST CORDLESS CIRCULAR SAW 2006 • • Model C 18DL (E1)

  • Page 24

    PARTS C 18DL ITEM CODE NO. DESCRIPTION REMARKS USED 998-335 BOLT (LEFT HAND) W/WASHER M7X17.5 324-563 WASHER (B2) 324-295 TCT SAW BLADE 165MM-D30 HOLE-NT24 317-451 TCT SAW BLADE 165MM-D15.88 HOLE 317-452 TCT SAW BLADE 165MM-D20 HOLE-NT40 990-100 RING D15.9/I.D14.5 324-569...

  • Page 25

    PARTS C 18DL ITEM CODE NO. REMARKS DESCRIPTION USED 324-576 HANDLE COVER 324-570 RESISTOR 324-573 RESISTOR (A) 959-141 CONNECTOR 50092 (10 PCS.) 321-002 INTERNAL WIRE 319-825 SWITCH (1P SCREW TYPE) W/O LOCK 301-631 SPRING (F) 317-207 TERMINAL (A) 324-571 KNOB...

  • Page 26: Standard Accessories

    STANDARD ACCESSORIES C 18DL ITEM CODE NO. DESCRIPTION REMARKS USED CHARGER(MODEL UC18YRL) 940-543 BOX WRENCH 10MM 302-756 GUIDE 324-579 CASE OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 324-580 DUST COLLECTOR SET (A) 324-581 DUST COLLECTOR SET (A) FOR USA, CAN...

  • Page 28

    MODEL C 18DL Hitachi Power Tools TECHNICAL DATA CORDLESS CIRCULAR SAW C 18DL SERVICE MANUAL LIST No. G859 May 2007 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT...

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