Hitachi DV 24DV Technical Data And Service Manual
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Hitachi DV 24DV Technical Data And Service Manual

Hitachi DV 24DV Technical Data And Service Manual

Cordless impact drill
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MODEL
DV 24DV
POWER TOOLS
D
TECHNICAL DATA
AND
CORDLESS IMPACT DRILL
SERVICE MANUAL
DV 24DV
LIST No. F848
May 2001
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

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Summary of Contents for Hitachi DV 24DV

  • Page 1 MODEL DV 24DV POWER TOOLS TECHNICAL DATA CORDLESS IMPACT DRILL SERVICE MANUAL DV 24DV LIST No. F848 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: Competitor Symbol Utilized Company Name Model Name DW006K DEWALT...

  • Page 4: Table Of Contents

    10. REPAIR GUIDE .......................... 12 10-1. Precautions in Disassembly ....................... 12 10-2. Precautions in Reassembly ......................16 10-3. Precautions in Disassembly and Reassembly of Battery Charger ..........18 11. STANDARD REPAIR TIME (UNIT) SCHEDULES..............20 Assembly Diagram for DV 24DV...

  • Page 5: Product Name

    Recently the market demand has been shifted to high-voltage cordless power tools. In addition, there is a strong demand for a high-torque drill in the North American markets. To meet these market demands, we bring out the new cordless driver drill Model DV 24DV that features 2-mode selection (drill or impact drill) and the class-top torque.

  • Page 6: Selling Point Descriptions

    4-1. Selling Point Descriptions (1) Powerful Hitachi motor (65 N•m max.) The powerful Hitachi motor is most powerful in the class and various materials can be efficiently drilled. (2) Replaceable carbon brushes for longer motor life The carbon brush can be replaced from the outside to increase the motor life and to enhance the maintainability.

  • Page 7: Specifications

    5. SPECIFICATIONS 5-1. Specifications Speed change 2: High 1: Low Rotation speed (No-load) 0 - - -- 1750/min. 0 - - -- 400/min. Impact rate (No-load) 0 -- -- 31500/min. 0 - - -- 7200/min. Capacity Concrete 10 mm (3/8") 20 mm (3/4") Wood Auger bit...

  • Page 8: Optional Accessories

    Chuck transferred to HIGH spindle of angle unit, the drilling speed is increased to about 150 % and the drilling torque decreased to about 70 %. The table below shows the drilling capacities when attaching the angle attachment ass'y. Speed of DV 24DV 1: Low 2: High...
  • Page 9 (2) Drill bit for concrete and brick Bit dia. x Length (mm) Code No. 3.2 x 65 [1/8" x 2-9/16"] 939875 4.8 x 85 [3/16" x 3-3/8"] 939879 939882 5.5 x 100 [7/32" x 4"] 939884 6.4 x 100 [1/4" x 4"] 8 x 100 [5/16"...

  • Page 10: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS Maker HITACHI Model DV 24DV 20 mm (3/4") 13 mm (1/2") Concrete 13 mm (1/2") 13 mm (1/2") Steel (twist bit) Wood (Self-feed bit) 65 mm (2-9/16") 65 mm (2-9/16") 0 -- - 400 0 -- - 450 Rotation speed ( /min.)

  • Page 11: Working Performance Per Single Charge

    7. WORKING PERFORMANCE PER SINGLE CHARGE Drilling and fastening performance comparison per charge Working Working capacity (*1) Test conditions Maker Model name speed (sec./pc.) Concrete 1-3/16" DV 24DV HITACHI Drill bit for concrete <High speed> 25/32" DV 24DV 19.2 HITACHI 21.2 <Low speed> American 1-31/32"...

  • Page 12: Precautions In Sales Promotion

    8-1. Safety Instructions In the interest of promoting the safest and most efficient use of the Model DV 24DV Cordless Impact Drill 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 13 Ensure that all customers understand that Type EB 2420, EB 2430HA 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 14: Inherent Drawbacks Of Cordless Impact Drills Requiring Particular Attention During Sales Promotion

    (5) Variation in amount of work possible per charge Although the nominal chargeable capacity of the storage batteries used with the Model DV 24DV is 2.0 Ah or 3.0 Ah, the actual capacity may vary within 10% of that value depending on the ambient temperature during use and charging, and the number of times the batteries have been recharged.

  • Page 15: Reference Materials

    (6) Precautions in the use of HSS Drill Bits Although the Model DV 24DV is designed for drilling capacities of 38 mm (1-1/2") Auger bit in wood, and 13 mm (1/2") in aluminum and steel, this capability is not as efficient as conventional electric power tools. In particular, when drilling through aluminum material with a 13 mm (1/2") drill bit, the drill tends to become...

  • Page 16: Repair Guide

    The [Bold] numbers in the description below correspond to the item numbers in the Parts List and exploded assembly diagram for the Model DV 24DV. 10-1. Precautions in Disassembly 10-1-1.
  • Page 17 10-1-2. Disassembly of the inner cover (1) Removal of the change lever Remove the Needle D2.5 x 25.8 [17] and the Change Lever [14]. The Needle D2.5 x 25.8 [17] is just inserted in the hole without press-fitting. If it is difficult to remove the needle, utilize the magnetic attraction of a magnet bit or the like.
  • Page 18 (2) Extraction of the spindle Remove the Retaining Ring for D32 Hole [5] which Push supports the Washer [6]. By using a wooden hammer, tap the inner cover side end of the Spindle [3] gently, then the Washer [6], Spring (A) [9] and the Spindle [3] can be Ratchet (A) [8] removed.
  • Page 19 10-1-8. Angle attachment ass'y (optional accessory) disassembly (1) Removal of the drill chuck from the angle unit The drill chuck can be removed from angle unit in the same manner it was removed from the impact drill; however, always remove angle unit from the impact drill before attempting to remove the drill chuck. This will prevent damage of impact drill's gear.

  • Page 20: Precautions In Reassembly

    10-2. Precautions in Reassembly Reassembly can be accomplished by following the disassembly procedures in reverse. However, special attention should be given to the following items. 10-2-1. Reassembly of the speed change-over section (1) Insert the Seal Plate [21] into the sliding portion of the Shift Arm [22] within the Gear Cover [10]. Follow the instructions shown in the Fig.
  • Page 21 10-2-2. Reassembly of the Magnet [30] Mount the Magnet [30] to the Housing [28] aligning the notch of the Magnet [30] with the protrusion of the Housing [28]. 10-2-3. Reassembly of Handle (A).(B) Set [37] Be careful not to catch the internal wires in Handle (A).(B) Set [37] when mounting the Handle (A).(B) Set [37] to the Housing [28].

  • Page 22: Precautions In Disassembly And Reassembly Of Battery Charger

    10-2-5. Tightening Torque Flat hd. screw (A) (left hand) M6 x 25 ......4.9 0.5 N•m (50 5 kgf•cm) Tapping screw D5 x 65 ........... 2.9 0.5 N•m (30 5 kgf•cm) Tapping screw D4 x 30 ........... 2.0 0.5 N•m (20 5 kgf•cm) Tapping screw D4 x 25 ...........
  • Page 23 A -- A B -- B Internal wire (red) Internal wire (black) Internal wire (blue) Internal wire (brown) Internal wire (black) Internal wire (red) Fig. 14 Fig. 15 DC-Speed Control Switch [39] Terminal Black Wiring Diagram Fig. 16 --- 19 ---...

  • Page 24: Standard Repair Time (Unit) Schedules

    11. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL Fixed Work Flow DV 24DV Handle (A).(B) DC-speed Control Switch Housing Magnet Inner Cover Change Lever Ball Bearing Change Shaft (608VV) x 2 Armature Ass'y General Assembly Second Pinion Metal Ratchet (A)
  • Page 25 LIST NO. F848 ELECTRIC TOOL PARTS LIST CORDLESS IMPACT DRILL 2001 • • Model DV 24DV (E1)
  • Page 26 DV 24DV 3 -- 01...
  • Page 27 PARTS DV 24DV ITEM CODE NO. DESCRIPTION REMARKS USED 995-344 FLAT HD. SCREW (A) (LEFT HAND) M6X25 315-966 DRILL CHUCK 13VLRC-N (W/O CHUCK WRENCH) 319-792 SPINDLE 959-150 STEEL BALL D6.35 (10 PCS.) 948-001 RETAINING RING FOR D32 HOLE 319-794 WASHER...

  • Page 28: Optional Accessories

    STANDARD ACCESSORIES DV 24DV ITEM CODE NO. DESCRIPTION REMARKS USED 981-205 SIDE HANDLE FOR M10 319-791 HANDLE JOINT CHARGER (MODEL UC 24YFB) 319-815 CASE (PLASTIC) OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 319-528 ANGLE ATTACHMENT ASS’Y INCLUD.603-614 670-714 NEEDLE BEARING (HK0810)

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