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Hitachi UC 12SF, Techical Data And Service Manual, Page: 14 / 21

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Hitachi UC 12SF Techical Data And Service Manual Download Page 14

PARTS

UC 9SF

   DESCRIPTION

    REMARKS

1

NAME PLATE

1

2

332-725

CASE (B)

1

3

332-739

PRINTED CIRCUIT BOARD

1

4

332-721

CASE (A)

1

5

300-036

TAPPING SCREW (W/FLANGE) D3 X 20

2

6

CAUTION LABEL

1

*

7

332-735

AC-ADAPTER (9.6V U.K)

1

*

7

332-736

AC-ADAPTER (9.6V EURO)

1

- 2 -

Printed in Japan 03 - 10

                                        (100311N) 

          *ALTERNATIVE PARTS

ITEM

NO.

NO.

USED

CODE NO.

Summary of Contents for UC 12SF

Page 1: ...CHARGER UC 9SF UC 12SF UC 14SF UC 18SF UC 9SF UC 12SF UC 14SF UC 18SF MODEL U LIST Nos H857 H858 H859 H860 Mar 2010 ...

Page 2: ...uctions 3 6 2 Points Requiring Special Attention During Sales Promotion 4 7 REFERENCE MATERIAL 5 7 1 Structure 5 8 PRECAUTIONS ON DISASSEMBLY AND REASSEMBLY 5 8 1 Disassembly 5 8 2 Reassembly 5 8 3 Confirmation after Reassembly 6 9 TROUBLESHOOTING GUIDE 6 9 1 Failure During Charging 6 10 STANDARD REPAIR TIME UNIT SCHEDULES 10 Assembly Diagram for UC 9SF Assembly Diagram for UC 12SF Assembly Diagra...

Page 3: ...Applicable batteries BCC 912 9 6 V 1 2 Ah EB 912S 9 6 V 1 2 Ah EB 9S 9 6 V 1 2 Ah EB 914S 9 6 V 1 4 Ah FEB 9S 9 6 V 1 4 Ah EB 9B 9 6 V 2 0 Ah EB 924 9 6 V 2 4 Ah BCC 1212 12 V 1 2 Ah EB 1212S 12 V 1 2 Ah EB 12S 12 V 1 2 Ah EB 1214S 12 V 1 4 Ah EB 1214L 12 V 1 4 Ah FEB 12S 12 V 1 4 Ah EB 12B 12 V 2 0 Ah EB 1220BL 12 V 2 0 Ah EB 1224 12 V 2 4 Ah BCC 1412 14 4 V 1 2 Ah EB 1412S 14 4 V 1 2 Ah EB 1414S...

Page 4: ...eight 0 13 kg 0 29 lbs Operating temperature 0 C to 40 C 32 F to 104 F Unplug the battery from the charger upon reaching the approximate charging time above The Battery Set lamp goes off when the battery is unplugged from the charger Note that in case of low battery temperature below 0 C or low supply voltage the battery may not be fully charged Should you feel that the charger potential has been ...

Page 5: ...sult in malfunction 4 Conduct battery charging in an ambient temperature range of 0 C to 40 C Any attempt at charging when the ambient temperature is below 0 C will fail or overcharging will occur due to a malfunctioning recharging control circuit Any attempt at charging when the ambient temperature is above 40 C will result in charging being stopped before the battery is fully charged due to a ri...

Page 6: ... and allow it to cool sufficiently prior to recharging This condition is common to all existing chargers both Hitachi s and its competitor s models that employ temperature sensitive devices to terminate charging The cooling period required before charging varies from a few minutes to about 30 minutes depending on how long the battery was used and the ambient temperature 6 2 2 Charging time may be ...

Page 7: ... exploded assembly diagram 8 1 Disassembly 1 Remove the two Tapping Screw W Flange D3 x 20 5 and take off Case B 2 The Printed Circuit Board 3 and AC Adapter 7 cord can then be taken out in an assembled body 2 To separate the Printed Circuit Board 3 and AC Adapter 7 cord use a soldering iron to melt the soldered portions NOTE Ideally the soldered portions should be freed with a solder absorber Whe...

Page 8: ...ielectric strength test a Between the plug blade of the cord and the charging terminal blade b Between the plug blade of the cord and the nameplate or fastening screws on the case The dielectric strength test should be conducted at the following voltage Voltage on the nameplate Test voltage 230 V AC 3 750 V for 1 minute CAUTION Insulation resistance must be measured between the plug blade and the ...

Page 9: ... dirty Rated voltage on power outlet The battery was inserted into the adapter but the Battery Set lamp remains off The printed circuit board is defective Replace the printed circuit board unit S battery terminal resistance 2k to 100kΩ Apply rated voltage Replace AC adapter Clean both parts Check for terminal A deformation Replace battery The rated voltage is 230 VAC ...

Page 10: ...ltage on power outlet Regulate ambient temperature Ambient temperature OK The battery is not charged if the body temperature is 40 C or higher Battery body hot Battery voltage stable The printed circuit board is defective Replace the printed circuit board unit Can the battery be charged by another charger Set ambient temperature in the range of 0 to 40 C Fully cool the battery and recharge it The ...

Page 11: ...ce the battery Apply rated voltage Rated voltage on power outlet Replace the adapter The printed circuit board is defective Replace the printed circuit board unit Use a tester to check voltage The battery is hot immediately after full charging It s not a problem The rated voltage is AC 230 V A higher supply voltage may break the adapter ...

Page 12: ... 10 10 STANDARD REPAIR TIME UNIT SCHEDULES MODEL Variable Fixed 10 20 30 40 50 60 min Work Flow UC 9SF UC 12SF UC 14SF UC 18SF General Assembly Case B Case A Printed Circuit Board AC Adapter ...

Page 13: ...Model UC 9SF CHARGER LIST NO H857 E1 2010 3 11 1 2 3 4 5 6 7 ...

Page 14: ...ASE B 1 3 332 739 PRINTED CIRCUIT BOARD 1 4 332 721 CASE A 1 5 300 036 TAPPING SCREW W FLANGE D3 X 20 2 6 CAUTION LABEL 1 7 332 735 AC ADAPTER 9 6V U K 1 7 332 736 AC ADAPTER 9 6V EURO 1 2 Printed in Japan 03 10 100311N ALTERNATIVE PARTS ITEM NO NO USED CODE NO ...

Page 15: ...Model UC 12SF CHARGER LIST NO H858 E1 2010 3 11 1 2 3 4 5 6 7 ...

Page 16: ...CASE B 1 3 332 739 PRINTED CIRCUIT BOARD 1 4 332 721 CASE A 1 5 300 036 TAPPING SCREW W FLANGE D3 X 20 2 6 CAUTION LABEL 1 7 332 732 AC ADAPTER 12V U K 1 7 332 733 AC ADAPTER 12V EURO 1 2 Printed in Japan 03 10 100311N ALTERNATIVE PARTS ITEM NO NO USED CODE NO ...

Page 17: ...Model UC 14SF CHARGER LIST NO H859 E1 2010 3 11 1 2 3 4 5 6 7 ...

Page 18: ...SE B 1 3 332 740 PRINTED CIRCUIT BOARD 1 4 332 721 CASE A 1 5 300 036 TAPPING SCREW W FLANGE D3 X 20 2 6 CAUTION LABEL 1 7 332 729 AC ADAPTER 14 4V U K 1 7 332 730 AC ADAPTER 14 4V EURO 1 2 Printed in Japan 03 10 100311N ALTERNATIVE PARTS ITEM NO NO USED CODE NO ...

Page 19: ...Model UC 18SF CHARGER LIST NO H860 E1 2010 3 11 1 2 3 4 5 6 7 ...

Page 20: ...CASE B 1 3 332 738 PRINTED CIRCUIT BOARD 1 4 332 721 CASE A 1 5 300 036 TAPPING SCREW W FLANGE D3 X 20 2 6 CAUTION LABEL 1 7 332 726 AC ADAPTER 18V U K 1 7 332 727 AC ADAPTER 18V EURO 1 2 Printed in Japan 03 10 100311N ALTERNATIVE PARTS ITEM NO NO USED CODE NO ...

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