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PRODUCT NAME
Hitachi 14.4 V Cordless Jig Saw
CJ 14DL, CJ 14DMR
Model
Hitachi 18 V Cordless Jig Saw
CJ 18DL, CJ 18DMR
Model
MARKETING OBJECTIVE
The new Models CJ 14DL and CJ 18DL are cordless jig saws equipped with the 14.4-V/18-V lithium-ion
batteries. The new Models CJ 14DMR and CJ 18DMR are cordless jig saws equipped with the 14.4-V/18-V
nicad batteries. The key features of the Models CJ 14DL, CJ 18DL, CJ 14DMR and CJ 18DMR are as follows:
(1) Highest cutting capacity in the class thanks to the high-performance motor
(2) Compact and lightweight
We aim to expand our market share with the new Models CJ 14DL, CJ 14DMR, CJ 18DL and CJ 18DMR.
APPLICATIONS
• Cutting or cutting out shapes in various types of wood workpieces
• Cutting various types of metals such as mild steel, aluminum and copper
• Cutting various types of synthetic resin materials such as bakelite and vinyl chloride
• Cutting various decorative sheets and thin and soft construction materials
• Cutting stainless steel sheets
SELLING POINTS
[ NEW FEATURES ]
Highest cutting capacity in the class
Lightest in the class
Equipped with the new lithium-ion battery
Tool-less blade changing system
LED lighting system
Powerful dust blowing
4-stage orbital action
Soft grip handle
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
LIST Nos.
CJ 14DL: G880,
CJ 14DMR: G881,
CJ 18DL: G882,
CJ 18DMR: G883
Jul. 2007
International Sales Division
C

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   Summary of Contents for Hitachi CJ 14DL

  • Page 1

    The new Models CJ 14DMR and CJ 18DMR are cordless jig saws equipped with the 14.4-V/18-V nicad batteries. The key features of the Models CJ 14DL, CJ 18DL, CJ 14DMR and CJ 18DMR are as follows: (1) Highest cutting capacity in the class thanks to the high-performance motor (2) Compact and lightweight We aim to expand our market share with the new Models CJ 14DL, CJ 14DMR, CJ 18DL and CJ 18DMR.

  • Page 2

    REMARK: Throughout this TECHNICAL DATA AND SERVICE MANUAL, a symbol(s) is(are) used in the place of company name(s) of our competitor(s). The symbol(s) utilized here is(are) as follows: Competitors Symbols Utilized Company Name Model Name GST14.4V BOSCH GST18V BJV140 MAKITA BJV180...

  • Page 3: Table Of Contents

    1. Precautions in disassembly and reassembly ------------------------------------------------------------ 16 2. Precautions in disassembly and reassembly of battery charger ------------------------------------ 24 STANDARD REPAIR TIME (UNIT) SCHEDULES-------------------------------------------------------------------- 25 Assembly diagram for CJ 14DL Assembly diagram for CJ 14DMR Assembly diagram for CJ 18DL...

  • Page 4: Selling Point Descriptions

    2 The motor may stop if the Model CJ 14DL/CJ 18DL is overloaded. In such case, release the switch and eliminate the cause of the overload problem. Then the Model CJ 14DL/CJ 18DL is operable.

  • Page 5

    LED lighting system Each of the Models CJ 14DL, CJ 14DMR, CJ 18DL and CJ 18DMR is equipped with an LED light for illuminating the blade. To turn on the light, pull the trigger. Release the trigger to turn off.

  • Page 6: Specifications

    Main body unit (including battery) ------------------------------------ 2.3 kg (5.1 lbs.) Charger unit (UC 18YRL, including cord) --------------------------- 0.6 kg (1.3 lbs.) Weight CJ 14DL (2MRK) --------------------------------------------------------- 5.7 kg (12.5 lbs.) Gross CJ 14DL (NN) ------------------------------------------------------------- 2.1 kg (4.6 lbs.) Charger (UC 18YRL) ----------------------------------------------------------------------- 1 Battery (BCL 1430) -------------------------------------------------------------------------- 2 Blade (No.

  • Page 7

    CJ 18DL Model Max. cutting thickness Wood 135 mm (5-5/16”) Capacity Mild steel 10 mm (3/8”) 0 to 2,400 min No-load speed 26 mm (1”) Length of stroke 25 mm (1”) Min. cutting radius DC magnet motor Type of motor Trigger switch with rotation selector and brake (with ON-OFF lock) Type of switch 45°...

  • Page 8

    CJ 14DMR Model Max. cutting thickness Wood 135 mm (5-5/16”) Capacity Mild steel 10 mm (3/8”) 0 to 2,400 min No-load speed 26 mm (1”) Length of stroke 25 mm (1”) Min. cutting radius DC magnet motor Type of motor Trigger switch with rotation selector and brake (with ON-OFF lock) Type of switch 45°...

  • Page 9

    CJ 18DMR Model Max. cutting thickness Wood 135 mm (5-5/16”) Capacity Mild steel 10 mm (3/8”) 0 to 2,400 min No-load speed 26 mm (1”) Length of stroke 25 mm (1”) Min. cutting radius DC magnet motor Type of motor Trigger switch with rotation selector and brake (with ON-OFF lock) Type of switch 45°...

  • Page 10: Optional Accessories

    2. Optional accessories (1) Blades Blade shape Application Blade No. Pitch Code No. Per pkg. NOTE: The standard blade No. 41 and the optional blade No. 21 are the same in shape. (2) Guide Code No. 321593 (3) Sub base (A) (steel) Code No.

  • Page 11

    (5) Dust collector Code No. 321591...

  • Page 12: Comparisons With Similar Products

    COMPARISONS WITH SIMILAR PRODUCTS COMPARISONS WITH SIMILAR PRODUCTS (Superior specifications: 1. Specification comparisons Maker HITACHI B-1 / B-2 C-1 / C-2 CJ 14DL CJ 14DMR Model name / CJ 18DL / CJ 18DMR 65 mm (2-9/16”) Wood 135 mm (5-5/16”) 135 mm (5-5/16”)

  • Page 13: Cutting Number Comparisons Per Charge

    Use the test results shown below for reference purposes only. Number of cutting operations per charge Material Maker Model CJ 18DL CJ 14DL HITACHI CJ 18DMR Wood CJ 14DMR (24 mm thick x 330 mm)

  • Page 14: Orbital Mechanism And Blade

    ORBITAL MECHANISM AND BLADE 1. Blade movement In the Models CJ 14DL, CJ 18DL, CJ 14DMR and CJ 18DMR, the orbital mechanism moves the blade up- and-down and forward-and-backward. The amount of fore-and-aft blade movement can be adjusted just by turning the change knob to any of the four settings.

  • Page 15: Blades

    3. Blades Proper blade selection is very important to obtain the maximum performance of these models. The table below, based on type and thickness of the material to be cut, can be used as a handy reference in selecting the optimum blade. NOTE : The minimum cutting radius of No.

  • Page 16: Precautions In Sales Promotion

    1. Safety instructions In the interest of promoting the safest and most efficient use of the Models CJ 14DL, CJ 14DMR, CJ 18DL and CJ 18DMR Cordless Jig Saws by all of our customers, it is very important that at the time of sale, the...

  • Page 17

    (8) Disposal of the storage batteries Ensure that all customers understand that 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 battery may explode, or, if discarded indiscriminately, leakage of the cadmium compound contained in the battery may cause environmental pollution.

  • Page 18: Precautions Requiring Particular Attention During Sales Promotion

    (1) Appropriate cutting capacity of the Models CJ 14DL, CJ 14DMR, CJ 18DL and CJ 18DMR The Models CJ 14DL, CJ 14DMR, CJ 18DL and CJ 18DMR are not capable of cutting several dozens of cutting like a conventional AC type jig saw because they are cordless jig saws powered by a battery. If the customer wishes to use the tool to cut many cutting in succession, please recommend that a spare battery should be kept available for use.

  • Page 19: Repair Guide

    1.Precautions in disassembly and reassembly The [Bold] numbres in the description below correspond to the item numbers in the Parts List and the exploded assembly diagram for the Models CJ 14DL, CJ 14DMR, CJ 18DL and CJ 18DMR. Disassembly 1. Removal of the base Loosen the Hex.

  • Page 20

    3. Disassembly of the housing (1) Remove the Guard Bar [8]. (2) Loosen the eight Tapping Screws (W/Flange) D4 x 20 (Black) [6] and open the housing. (3) Remove the Plate Spring [28] from the housing. (4) Loosen the Tapping Screw (W/Sp. Washer) D3 x 8 [10] and remove the Fence [9] from the housing. (5) The other housing can then be removed from the main body.

  • Page 21

    5. Removal of the gear holder and the motor (1) Pull out the Connecting Piece [32] and the Needle Bearing [33] from the Gear [34]. (2) Remove the Retaining Ring for D7 Shaft [31] from the tip of the spindle. (3) Remove the Gear [34], Balance Weight [35], Orbital Cam [36] and Washer (A) [37] in order.

  • Page 22

    7. Removal of the roller holder (1) Remove the two Retaining Rings (E-Type) for D3 Shaft [55] from the Pin [45]. (2) Pull out the Needle Roller [43] press-fitted in the Gear Holder [38] and remove the Roller Holder [44]. (3) Remove the Needle Roller [43] remained in the Gear Holder [38].

  • Page 23

    Reassembly Reassembly can be accomplished by following the disassembly procedures in reverse. However, special attention should be given to the following items. 1. Mounting the change knob Mount Spring (C) [49] and the Steel Ball D3.97 [50] into the Change Knob [48] as shown in the figure below.

  • Page 24

    3. Mounting the motor and the housing (1) Carefully ensure that wiring is accomplished as illustrated below because incorrect wiring will result in lack of rotation or reverse rotation. (2) When mounting the Motor DC 14.4 V [20] (Motor DC 18 V [20]) to Housing (A).(B) Set [1], align the concave portion of the motor with the convex portion of Housing (A).(B) Set [1].

  • Page 25: Tightening Torque

    3. Other precautions When closing the housing, check that the Plate Spring [28] and the Packing Cover [41] are securely mounted to prevent them from being deformed. Be sure not to omit the following parts. • O-ring (P-6) [5] • Plate Spring [28] Application of lubricant 1.

  • Page 26: Wiring Diagram

    Wiring diagram Wiring arrangement DC-Speed Control Switch [4] Lead wire (Yellow) Lead wire (Red) Terminal ass’y Lead wire (Black) Connector [12] LED [2] Lead wire (Black) Lead wire (Red) Motor DC 14.4 V [20] (Motor DC 18 V [20]) A - A DC-Speed Control Switch [4] Terminal [15] Terminal [17]...

  • Page 27: Precautions In Disassembly And Reassembly Of Battery Charger

    Wiring diagram Wiring arrangement LED [2] Lead wire (Black) Lead wire (Red) Lead wire (Brown) Lead wire (Red) Motor Lead wire (Black) Lead wire (Blue) Lead wire (Yellow) DC-Speed Control Switch [4] 2. Precautions in disassembly and reassembly of battery charger Please refer to the Technical Data and Service Manual for precautions in disassembly and reassembly of the battery chargers Models UC 18YRL and UC 18YG.

  • Page 28: Standard Repair Time (unit) Schedules

    STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL Fixed Work Flow CJ 14DL CJ 14DMR CJ 18DL Base Base Locker CJ 18DMR Housing Motor (A).(B) Set Ball Bearing (608VV) DC-speed Control Switch General Assembly Fence Connecting Lever Spring Piece Lever Needle...

  • Page 29

    Hitachi Power Tools /,67 12 * (/(&75,& 722/ 3$576 /,67 &25'/(66 -,* 6$:  ‡ ‡ 0RGHO &- '/ ( ...

  • Page 30

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  • Page 31

    3$576 &- '/ ,7(0 &2'( 12 5(0$5.6 '(6&5,37,21 86('  67((/ %$// '  3&6  %$6(  %$6( /2&.(5  +(; 62&.(7 +' %2/7 0;  3&6  6:,7&+ $66·< ,1&/8'    872-971 RETAINING RING(E-TYPE)FOR D3 SHAFT TECH.

  • Page 32

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  • Page 33

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  • Page 34

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  • Page 35

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  • Page 36

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  • Page 37

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  • Page 38

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  • Page 39

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  • Page 40

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  • Page 41

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  • Page 42

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  • Page 43

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  • Page 44

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This manual also for:

Cj 14dmr, Cj 18dmr, Cj 18dl

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