Hitachi UC 18YML2 Technical Data And Service Manual Download | Manualshive

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CHARGER

UC 18YML2

UC 18YML2

Jul. 2010

LIST No.: H872

MODEL

U

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2
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Summary of Contents for UC 18YML2

Page 1: ...CHARGER UC 18YML2 UC 18YML2 Jul 2010 LIST No H872 MODEL U ...

Page 2: ...Promotion 8 7 QUESTIONS AND ANSWERS ON MODEL UC 18YML2 9 8 GENERAL PRECAUTIONS 10 8 1 Model UC 18YML2 10 8 2 Pilot Lamp Indications 10 9 PRECAUTIONS ON DISASSEMBLY AND REASSEMBLY 11 9 1 Disassembly 11 9 2 Reassembly 11 9 3 Confirmation after Reassembly 13 10 TROUBLESHOOTING GUIDE 14 10 1 Troubleshooting Based on Pilot Lamp Indications 14 10 2 Troubleshooting and Repair Procedures 14 11 STANDARD RE...

Page 3: ...neral purpose slide in out type of charger capable of recharging 14 4 V to 18 V lithium ion batteries only 3 APPLICATIONS Recharging of Hitachi batteries Applicable batteries Li ion batteries BSL 1415 14 4 V 1 5 Ah BSL 1415X 14 4 V 1 5 Ah BSL 1430 14 4 V 3 0 Ah BSL 1815X 18 V 1 5 Ah BSL 1830 18 V 3 0 Ah ...

Page 4: ...r example the recharging time at 40 C is approx 170 to 180 min 3 0 Ah 3 Hitachi original charge control mechanism for longer battery life Fig 1 BSL 1430 BSL 1415 BSL 1415X BSL 1815X BSL 1830 Line General purpose charger capable of recharging 14 4 V to 18 V Li ion batteries Capable of recharging batteries with internal temperatures as high as 55 C Recharging discharging cycles of battery Ambient te...

Page 5: ...y extend battery recharging discharging cycles 4 1 3 Capable of recharging batteries with internal temperatures as high as 55 C Each Li ion battery shown in Fig 2 incorporates a thermistor The Model UC 18YML2 can continue recharging these batteries until the battery temperature reaches 55 C NOTE 1 Wiring diagrams for batteries are shown below The thermistor is an element to detect battery temperat...

Page 6: ... detects a drop in battery current at the end of charging and suspends charging B Built in battery temperature sensor In the event the stop current detection system fails to detect the completion of recharging recharging stops automatically when the battery temperature reaches 55 C C Timer Should both the stop current detection system and the temperature sensor fail the timer automatically stops c...

Page 7: ...andby Lights Green Stays ON continuously Battery is overheated Unable to charge Charging will commence when the battery is cooled DC charge status lamp Green Charging impossible Blinks Green 0 5 sec ON 0 5 sec OFF DC 12 V supply is faulty NOTE When in standby for cooling a battery the UC 18YML2 cools the overheated battery by cooling fan During DC charging the cooling fan does not rotate Rechargea...

Page 8: ...rging protection system 1 Stop current detection 2 Battery surface temperature detection thermistor 3 240 minute timer Charging voltage 14 4 V to 18 V Charging current 3 5 A 1 5 A BSL 1415 BSL 1415X BSL 1815X Approx 22 min Approx 60 min Charging time BSL 1430 BSL 1830 Approx 45 min Approx 120 min External dimensions length x width x height 135 x 185 x 77 5 mm Product weight 0 7 kg Operating ambien...

Page 9: ...ise in temperature caused by the small difference between the upper limit of rechargeable battery temperature 55 C and the ambient temperature 4 Do not use the charger for successive charging Charging multiple batteries in succession at high ambient temperature will cause the charger to become very hot and possibly fail Therefore instruct the customer to wait at least 15 minutes before charging th...

Page 10: ...at cover or car mat during charging as this may result in a fire or accident due to overheating 13 Do no expose the battery charger to direct sunlight during charging as this may result in a fire 14 Do not leave the vehicle unattended during charging 6 2 Extra Precautions on Sales Promotion The following points must be given during sales promotion 6 2 1 Charging may not be possible at high battery...

Page 11: ...lly charging the battery due to a rise in temperature caused by the small difference between the upper limit of rechargeable battery temperature 55 C and the ambient temperature Q3 What is the relation between the chargeable battery temperature range at the start of charging and the upper limit of chargeable battery temperature A3 The table below shows said relation Chargeable battery temperature ...

Page 12: ...an be found inside the frame 2 The printed circuit board ass y consists of a high frequency power transformer microcomputer and other electronic devices to permit rapid charging and protect against overcharging Fig 4 8 2 Pilot Lamp Indications See 4 1 5 for details Case A 2 Case B 11 Printed Circuit Board Ass y 19 Tapping Screw W Flange D3 x 18 12 Case Rubber 13 Prism 15 ...

Page 13: ...he soldered connections of the red and black lead wires of the Terminal Holder 16 and finally remove the wires 6 Remove the Cord 18 from the Printed Circuit Board Ass y 19 after melting the soldered connections with a soldering iron 7 The Prism 15 for pilot lamps is built into Case A 2 and the filter is stuck on Case A 2 NOTE Ideally the soldered portions should be freed with a solder absorber If ...

Page 14: ... Circuit Board Ass y 19 Tapping Screw W Flange D3 x 25 20 Fan 21 Insulator B 22 Fin B 10 Case A 2 Fuse 250 V 3 15 A 5 Insulator A 7 Machine Screw W Washers M3 x 12 9 Nut M3 6 Fin A 8 Machine Screw W Washers M3 x 12 9 Prism 15 Fig 5 ...

Page 15: ...the charging terminal blade b Between the plug blade of the cord and the nameplate or fastening screws on the case Conduct a dielectric strength test based on the voltage listed on the nameplate Voltage on the nameplate Test voltage 120 V AC 1 240 V 1 minute 220 V to 240 V AC 3 750 V 1 minute CAUTION Without fail insulation resistance must be measured between the plug blade of the cord and the nam...

Page 16: ...f T or LS terminal 2 Faulty PCB Refer to trouble mode C Pilot lamp indicates abnormality by flashing red rapidly at 0 2 second intervals 1 Faulty battery short circuit or open circuit 2 Faulty PCB Refer to trouble mode D 10 2 Troubleshooting and Repair Procedures 1 Trouble mode A Is rated voltage applied to the plug Is there continuity between blades of the AC cord plug or the cigarette lighter co...

Page 17: ...nues to flash after battery has been connected Are the connection terminals of the charger or battery dirty deformed or otherwise abnormal Remove dirt or correct abnormality Replace the battery Is the resistance between LS and terminals 2 KΩ to 100 KΩ Faulty internal circuits Replace the PCB ...

Page 18: ... Is ambient temperature within designated range between 0ºC and 40ºC Is the battery very hot Are the connection terminals of the charger or battery dirty or deformed Is the resistance between LS and terminals 2 KΩ to 100 KΩ Faulty internal circuits Replace the PCB Conduct charging within designated temperature range Allow battery to cool prior to charging Clean or repair deformed terminals Replace...

Page 19: ...the battery properly connected Is there any conductive foreign matter in the hole where the battery is inserted Is the battery short circuited or open Faulty internal circuit Replace the PCB Properly insert the battery Remove the foreign matter Replace the battery 4 Trouble mode D ...

Page 20: ...EPAIR TIME UNIT SCHEDULES MODEL Variable Fixed 10 20 30 40 50 60 min Work Flow UC 18YML2 General Assembly Case A Case B Fuse Prism TerminalHolder Printed Circuit Board Ass y Fan Insulator A Fin A Insulator B Fin B Cord ...

Page 21: ...Model UC 18YML2 CHARGER LIST NO H872 E1 2010 7 29 21 9 9 501 502 1 2 3 5 6 8 4 11 12 13 15 16 4 17 6 22 10 20 14 18 7 19 A A ...

Page 22: ...326 358 TAPPING SCREW W FLANGE D3 X 18 4 13 327 173 CASE RUBBER 4 14 NAME PLATE 1 15 328 528 PRISM 1 16 328 530 TERMINAL HOLDER 1 17 BINDING BAND 1 18 328 634 CORD 1 18 328 636 CORD 1 FOR GBR 19 332 977 PRINTED CIRCUIT BOARD ASS Y 1 INCLUD 5 20 327 175 TAPPING SCREW W FLANGE D3 X 25 2 21 326 809 FAN 1 22 333 239 INSULATOR B 1 DESCRIPTION REMARKS 501 328 527 STRAP 1 502 330 168 DC CORD 1 7 10 Print...

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