Hitachi UC 18YK Technical Data And Service Manual
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Hitachi UC 18YK Technical Data And Service Manual

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MODEL
UC 18YK
CHARGER
UC 18YK
U
LIST No.: H852
FEB. 2010

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Summary of Contents for Hitachi UC 18YK

  • Page 1 MODEL UC 18YK CHARGER UC 18YK LIST No.: H852 FEB. 2010...

  • Page 2: Table Of Contents

    8-3. Confirmation after Reassembly --------------------------------------------------------------------------------- 7 9. TROUBLESHOOTING GUIDE ---------------------------------------------------------------------------------------- 8 9-1. Troubleshooting Based on Pilot Lamp Indications --------------------------------------------------------- 8 9-2. Troubleshooting and Repair Procedures --------------------------------------------------------------------- 8 10. STANDARD REPAIR TIME (UNIT) SCHEDULES ------------------------------------------------------------ 10 Assembly Diagram for UC 18YK...

  • Page 3: Product Name

    1. PRODUCT NAME Hitachi Charger, Model UC 18YK 2. MARKETING OBJECTIVE The new Model UC 18YK is an inexpensive, general-purpose charger capable of recharging plug-in type nickel cadmium (Ni-Cd) batteries. 3. APPLICATIONS Recharging of Hitachi batteries Applicable batteries: Ni-Cd batteries* BCC 912 [9.6 V,...

  • Page 4: Selling Points

    4. SELLING POINTS General-purpose charger capable of recharging 7.2 V to 18 V batteries Battery recharging/discharging cycles (Ambient temperature range from 10°C to 30°C) Ni-Cd: about 300 times • BCC 912 EB 712S EB 912S EB 7S EB 9S EB 714S EB 914S FEB 7S EB 914...

  • Page 5: Specifications

    Product weight 0.35 kg (0.8 lbs.) 0 °C to 40 °C (32 °F to 104 °F) Operating ambient temperature range 5-2. Comparisons with Similar Products HITACHI UC 18YK UC 18YG Charging time min. (1.2 to 1.4 Ah) (1.2 to 1.4 Ah) Charging voltage 7.2 to 18...

  • Page 6: Precautions On Sales Promotion

    6-1. Safety Instructions In the interest of promoting the safest and most efficient use of the Model UC 18YK Charger by all of our customers, it is very important when concluding a sale that the salesperson carefully ensure that the buyer seriously recognizes the importance of the Handling Instructions.

  • Page 7: Extra Precautions On Sales Promotion

    6-2. Extra Precautions on Sales Promotion The following points must be noted during sales promotion activities. 6-2-1. Charging may not be possible at high battery temperature A battery may not be charged when at a high temperature, after being exposed to direct sunlight for a long time, or immediately after being used.

  • Page 8: General Precautions

    7. GENERAL PRECAUTIONS 7-1. Structure (1) The outer frame consists of Case (A) and Case (B). There is a printed circuit board inside the frame. (2) The printed circuit board consists of the high-frequency power transformer, microcomputer and other electronic devices to enable rapid charging and protect against overcharging. Case (A) Terminal (A) Printed circuit board...

  • Page 9: Precautions On Disassembly And Reassembly

    8. PRECAUTIONS ON DISASSEMBLY AND REASSEMBLY [Bold] numbers in the descriptions below correspond to item numbers in the Parts List and exploded assembly diagram for the Model UC 18YK. 8-1. Disassembly (1) Remove the four Tapping Screws (W/Flange) D3 x 18 [7], and then take off Case (A) [1].

  • Page 10: Troubleshooting Guide

    9. TROUBLESHOOTING GUIDE 9-1. Troubleshooting Based on Pilot Lamp Indications Phenomenon Suspected causes Check procedure Pilot lamp fails to light after Refer to trouble mode (1) Faulty AC cord battery connection (2) Blown fuse (3.15 A) (3) High battery temperature (4) Poor terminal connection (5) Faulty battery (6) Faulty PCB...
  • Page 11 Ambient temperature Conduct charging within within designated range designated temperature range (0°C to 40°C)? 0 °C to 40°C Allow battery to cool before Battery very hot? charging it Charging disabled at battery temperature above 40°C Connection Clean or repair deformed terminals of charger terminals or battery dirty or...

  • Page 12: Standard Repair Time (Unit) Schedules

    10. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL 60 min. Fixed UC 18YK Work Flow General Assembly Case (A) Cord Case (B) Printed Circuit Fuse Board Ass'y (T3.15A/250V) -10-...
  • Page 13 LIST NO. H852 CHARGER 2010 1 15 Model UC 18YK (E1)
  • Page 14 PARTS UC 18YK ITEM CODE NO. DESCRIPTION REMARKS USED 332-476 CASE (A) 329-853 CORD 329-856 CORD FOR GBR 329-854 CORD FOR USA, CAN 329-855 CORD FOR AUS 332-540 FUSE (T3.15A/250V) 332-477 PRINTED CIRCUIT BOARD ASS'Y 120V INCLUD. 3, 5 332-478 PRINTED CIRCUIT BOARD ASS'Y 230V-240V INCLUD.

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