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Hitachi DS 14DVB Technical And Service Manual

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MODEL
DS 14DVB
POWER TOOLS
D
TECHNICAL DATA
AND
CORDLESS DRIVER DRILL
SERVICE MANUAL
DS 14DVB
LIST No. F843
Mar. 2001
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

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  • Page 1 MODEL DS 14DVB POWER TOOLS TECHNICAL DATA CORDLESS DRIVER DRILL SERVICE MANUAL DS 14DVB LIST No. F843 Mar. 2001 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT...

  • Page 2: Table Of Contents

    9-1. Speed Control Mechanism ......................9 10. REPAIR GUIDE ..........................10 10-1. Precautions in Disassembly and Reassembly ................10 10-2. Precautions in Disassembly and Reassembly of Battery Charger ..........15 11. STANDARD REPAIR TIME (UNIT) SCHEDULES..............16 Assembly Diagram for DS 14DVB...

  • Page 3: Product Name

    2. MARKETING OBJECTIVE The Model DS 14DVB 14.4 V cordless driver drill has been newly developed together with the Model DS 18DVB (18 V product) and also as a successor of the current Model DS 14DVA to enhance the overseas market share of Hitachi Cordless Power Tools.

  • Page 4: Selling Point Descriptions

    4-1. Selling Point Descriptions 4-1-1. 22-position adjustable torque setting The number of clutch positions has been increased from the previous five to twenty-two to ensure finer torque setting than that of previous model, and therefore, the operability has been significantly improved. (See Fig. 1.) Torque (N m) (kgf •...

  • Page 5: Specifications

    5. SPECIFICATIONS Screwdriver Machine screw 6 mm (1/4") • • • • • • • • Capacity Wood screw 8 dia. x 50 mm (#20 x 2") • • • • • • • • • • • • Drill Metal Mild steel 13 mm (1/2") [Thickness 1.6 mm (1/16")]...

  • Page 6: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS Maker HITACHI HITACHI DW954K-2 3615K Model DS 14DVB DS 14DVA Machine screw 6 mm (1/4") 6 mm (1/4") Not indicated Not indicated Screw 8 mm dia. x50 mm length 8 mm dia. x50 mm length...

  • Page 7: Working Performance Per Single Charge

    Remarks*1 Number of holes or fasteners per charge The above table shows an example of test data. The batteries used in this test are as follows: Models DS 14DVB and 3615K: 2.0 Ah Model DS 14DVA: 1.3 Ah Model DW954K-2: 1.4 Ah...

  • Page 8: Precautions In Sales Promotion

    8-1. Safety Instructions In the interest of promoting the safest and most efficient use of the Model DS 14DVB Cordless Driver 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 9 Ensure that all customers understand that Type EB 1414, EB 14B or EB 1430H 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 10: Inherent Drawbacks Of Cordless Driver 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 DS 14DVB is 1.4 Ah, 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 11: Reference Materials

    (6) Precautions in the use of HSS Drill Bits Although the Model DS 14DVB is designed for drilling capacities of 27 mm (1-1/16") in wood, and 13 mm (1/2") in aluminum and mild steel, this capability is not as efficient as conventional electric power tools.

  • Page 12: Repair Guide

    10-1. Precautions in Disassembly and Reassembly The [Bold] numbers in the description below correspond to the item numbers in the Parts List and exploded assembly diagram for the Model DS 14DVB. 10-1-1. Disassembly (1) Removal of the Drill Chuck [2] (See Fig. 4.) Remove the Drill chuck [2] of the fully assembled main body in accordance with the following procedures.
  • Page 13 (4) Disassembly of the gear unit (a) Remove the Cap [4] from the Front Case [9]. Take care not to remove the Nut [6] from the Front Case [9] in this operation. (b) Turn the Motor [28] counterclockwise when viewed from the rear and remove it from the Rear Case [17]. (c) Remove the Shift Arm [19] from the Rear Case [17], and remove the Shift Knob [38] from the Shift Arm [19].
  • Page 14 (3) Reassembly of the gear unit (a) Apply grease (Hitachi Motor Grease No. 29, Code No. 930035) to the meshing parts of the gear. (b) Install the parts series from the six Rollers [10] to Washer (B) [26] into the assembly reassembled in step (2).
  • Page 15 Recess Projection [26] Projection Fig. 8 (c) Install the Click Spring [5] and the Cap [4] to the assembly reassembled in step (b). (See Fig. 9.) (i) Insert the ridge and the projections of the Click Spring [5] into the holes of the Cap [4]. (ii) When the Nut [6] is screwed in the Front Case [9] about one and a quarter turns, the three projections of the Nut [6] and the marking of the Rear Case [17] are positioned as shown in Fig.
  • Page 16 [19] [19] Ridge Hole Groove Mark Fig. 10 (e) Install the Drill Chuck [2]. Install the Drill Chuck [2] using a Wrench 14 mm (Special repair tool, Code No. 873929) and secure it with the Special Screw (Left Hand) M6 x 23 [1]. (f) Install the Shift Knob [38] into the assembly reassembled in step (e).

  • Page 17: Precautions In Disassembly And Reassembly Of Battery Charger

    [32] [36] Groove Projection [32] Projections Recesses Fig. 12 Fig. 13 (c) Set the assembly reassembled in step (b) to Housing (B) [32] and secure it with the eight Tapping Screws (W/Washers) D3 x 16 [29]. (d) Verify proper operation of the Cap [4]. When the assembly procedure up to step (c) is completed, ensure that the number "1"...

  • Page 18: Standard Repair Time (Unit) Schedules

    11. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL Fixed Work Flow DS14DVB General Assembly Housing Spring (A).(B) Set Drill Chuck Motor DC-Speed Control Switch Shift Arm (Gear Box Ass'y) Front Case Ring Gear Carrier First Ring Gear Planet Gear (A) Set Pinion (B) Planet Gear (B) Set...
  • Page 19 LIST NO. F843 ELECTRIC TOOL PARTS LIST CORDLESS DRIVER DRILL 2001 • • Model DS 14DVB (E1)
  • Page 20 PARTS DS 14DVB ITEM CODE NO. DESCRIPTION REMARKS USED 311-959 SPECIAL SCREW (LEFT HAND) M6X23 319-766 DRILL CHUCK 13VLRF-N (W/O CHUCK WRENCH) 319-739 GEAR BOX ASS’Y INCLUD.4-27 319-755 319-754 CLICK SPRING 319-743 319-742 SPRING 319-741 THRUST WASHER 319-740 FRONT CASE...

  • Page 21: Standard Accessories

    STANDARD ACCESSORIES DS 14DVB ITEM CODE NO. DESCRIPTION REMARKS USED CHARGER (MODEL UC 24YFA) 318-236 + DRIVER BIT NO.2 55L 319-770 CASE OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 873-929 WRENCH 14MM 1 -- 01 * ALTERNATIVE PARTS --- 3 -- -...
  • Page 22 PARTS DS 14DVB ITEM CODE NO. DESCRIPTION REMARKS USED Printed in Japan 1 -- 01 --- 4 --- * ALTERNATIVE PARTS (010130N)

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