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Hitachi DN 12DY Technical Data And Service Manual

Cordless angle drill
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MODEL
DN 12DY
POWER TOOLS
D
TECHNICAL DATA
CORDLESS ANGLE DRILL
AND
DN 12DY
SERVICE MANUAL
LIST No. F883
Mar. 2003
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

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Summary of Contents for Hitachi DN 12DY

  • Page 1 MODEL DN 12DY POWER TOOLS TECHNICAL DATA CORDLESS ANGLE DRILL DN 12DY SERVICE MANUAL LIST No. F883 Mar. 2003 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 Model Name Company Name DA312DW MAKITA DW965K DEWALT...

  • Page 3: Table Of Contents

    9-1. Speed Control Mechanism ......................11 10. REPAIR GUIDE ..........................12 10-1. Precautions in Disassembly and Reassembly ................12 10-2. Precautions in Disassembly and Reassembly of Battery Charger ..........14 11. STANDARD REPAIR TIME (UNIT) SCHEDULES................ 15 Assembly Diagram for DN 12DY...

  • Page 4: Product Name

    The new Model DN 12DY is a 12-V version of the well-reputed Model DN 10DY. The torque and the operation efficiency are higher than those of the Model DN 10DY. With the Model DN 12DY, we aim to enhance our share.

  • Page 5: Selling Point Descriptions

    4-1. Selling Point Descriptions 4-1-1. Shorter height and compact design Table 1 Maker HITACHI Model DN 12DY Overall length x height (mm) A-A circumference 160 mm B-B circumference 174 mm Maker Model Overall length x height (mm) C-C circumference 198 mm...
  • Page 6 4-1-4. 9.6-V battery is also usable The Model DN 12DY can also operate on the 9.6-V battery. However, the working performance is about 80% of that when operating on the 12-V battery due to the lower voltage. Refer to "7. WORKING PERFORMANCE PER SINGLE CHARGE"...

  • Page 7: Specifications

    5. SPECIFICATIONS Screwdriver Wood screw 5.1 dia. x 40 mm (#11 x 1-9/16") Capacity • • • • • • • • • • • • Drill Metal Mild steel 10 mm (3/8") [thickness 1.6 mm (1/16")] • • • • • • Aluminum 10 mm (3/8") [thickness 1.6 mm (1/16")] Wood 18 mm (11/16") [thickness 18 mm (11/16")]...
  • Page 8 Charger Overcharge prevention circuit: A thermostat monitors the surface temperature of the battery and, on detecting (Model UC 12SD) the temperature rise which occurs on completion of charging, automatically turns (for type EB 1212S battery) off the unit to prevent the battery from overcharge. Power input: 51 W Charging time: Approx.

  • Page 9: Comparisons With Similar Products

    6. COMPARISONS WITH SIMILAR PRODUCTS Maker HITACHI Model DN 12DY DN 10DY (9.6 V) 10 mm (3/8") Mild steel 10 mm (3/8") 10 mm (3/8") 10 mm (3/8") Drilling 10 mm (3/8") 10 mm (3/8") 10 mm (3/8") 10 mm (3/8")

  • Page 10: Working Performance Per Single Charge

    Drilling and fastening performance comparison per charge No. of drilling or fastening operations per charge (*1) Working Test conditions Maker time Model name (sec./pc.) DN 12DY (W/EB 1230HL) HITACHI DN 12DY (12 V) (W/EB 1220BL) DN 12DY (W/EB 1212S) DN 12Y...

  • Page 11: Precautions In Sales Promotion

    8-1. Safety Instructions In the interest of promoting the safest and most efficient use of the Model DN 12DY cordless angle 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 12 Ensure that all customers understand that Type EB 1212S, EB 1220BL or EB 1230HL storage battery should be returned to the Hitachi power tool sales outlet or the authorized service center when it is 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 13: Inherent Drawbacks Of Cordless Angle Drills Requiring Particular Attention During Sales Promotion

    (5) Precautions in the use of HSS drill bits Although the Model DN 12DY is designed for drilling capacities of 18 mm (11/16") in wood, and 10 mm (3/8") in aluminum and mild steel, this capability is not as efficient as conventional electric power tools. In particular, when drilling through aluminum material with a 10 mm (3/8") drill bit, the drill tends to become locked when the...

  • Page 14: Reference Materials

    Please instruct the customers to avoid continuous use of the Model DN 12DY and take a pause about 15 minutes after a single charge operation as a guide.

  • Page 15: 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 DN 12DY. 10-1-1. Disassembly (1) Remove the Hook [19].
  • Page 16 Reassembly can be accomplished by following the disassembly procedures in reverse. However, special attention should be given to the following points. (1) Ensure that the wiring of the Model DN 12DY is connected as shown in the diagram in Fig. 4. Bind Screw M3 x 7 [5]...

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

    (2) When soldering Internal Wires (A) [9] (Red) and [10] (Black) onto the Motor [8], be very careful to ensure correct motor polarity. As illustrated in Fig. 5, there is a red mark close to the terminal which indicates the positive pole.

  • Page 18: Standard Repair Time (Unit) Schedules

    11. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL Fixed Work Flow DN 12DY General Assembly Housing (A).(B) Set Motor DC-Speed Control Switch Drill Chuck (Keyless) Metal x 2 Spindle Second Pinion --- 15 ---...
  • Page 19 LIST NO. F883 ELECTRIC TOOL PARTS LIST CORDLESS ANGLE DRILL 2003 • • Model DN 12DY (E1)
  • Page 20 PARTS DN 12DY ITEM CODE NO. DESCRIPTION REMARKS USED 997-752 METAL 321-964 SPINDLE 321-870 DRILL CHUCK 10TLRJ-N (W/O CHUCK WRENCH) 992-077 FLAT HD. SCREW (LEFT HAND) M5X17 306-039 BIND SCREW M3X7 308-311 321-965 SECOND PINION 321-968 MOTOR 321-973 INTERNAL WIRE (A) 60L (RED)

  • Page 21: Standard Accessories

    STANDARD ACCESSORIES DN 12DY ITEM CODE NO. DESCRIPTION REMARKS USED CHARGER (MODEL UC 14YF2) CHARGER (MODEL UC 24YFA) CHARGER (MODEL UC 12SD) 321-941 CASE OPTIONAL ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 320-388 BATTERY EB 1230HL (W/ENGLISH N.P.) 321-652 BATTERY EB 1212S (W/ENGLISH N.P)
  • Page 22 DN 12DY ITEM CODE NO. DESCRIPTION REMARKS USED Printed in Japan --- 4 --- 3 -- 03 (030325N)

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