T ECHNICAL INFORMATION Model No. DC24SC Description Charger CONCEPT AND MAIN APPLICATIONS PRODUCT P 1/ 5 H DC24SC is able to charge 7.2V up to 24V Ni-MH/ Li-ion batteries of slide-type using the unique Optimum Charging System for extended battery life. With Interchangeable adapter ADP04 attached, the chargeable range can be extended further to the following insert-type batteries: 7.2V-18V Ni-Cd batteries (both stick and cluster types) 7.2V-18V Ni-MH batteries (both stick and cluster types) L W Dimensions: mm (") 175 (6-7/8) Length (L) Width (W) 215 (8-1/2) Height (H) 110 (4-5/16) Specification Voltage (V) Current (A) Cycle (Hz) 110 - 120 220 - 240 ----- 50/ 60 50/ 60 DC Output voltage Max. Output (W) ----- Voltage: V 7.2 - 24 Amperage: A 1.7Ah 6 - 3.6 Ni-MH Charging time (approx.): min. [See *1 for the model name of each battery.] Continuous Rating (W) Input Output 145 --145 --- 2.0Ah 2.7Ah 3.3Ah 1.7Ah/ 2.0Ah 3.0Ah/ 3.3Ah 1.5Ah Li-ion 3.0Ah 3.0Ah Protection from electric shock 9.6V 20 9.6V/ 12V/ 14.4V 14.4V 9.6V/ 12V/ 14.4V 25 30 24V 24V 14.4V/ 18V 14.4V 18V 50 20 30 35 Double insulation*2 Power supply cord: m (ft ) 2.0 (6.6) Net weight: kg (lbs) 1.3 (2.8) *1 Ni-MH 1.7Ah, 9.6V: B9017A Ni-MH 2.0Ah, 9.6V/12V/14.4V: BH9020, BH9020A, BH1220, BH1220C, BH1420 Ni-MH 2.7Ah, 14.4V: BH1427 Ni-MH 3.3Ah, 9.6V/12V/14.4V: BH9033, BH9033A, BH1233, BH1233C, BH1433 Ni-MH 1.7Ah/2.0Ah, 24V: B2417, BH2420 Ni-MH 3.0Ah/3.3Ah, 24V: B2430, BH2433 Li-ion 1.5Ah, 14.4V/18V: BL1415, BL1815 Li-ion 3.0Ah, 14.4V: BL1430, BL1430A Li-ion 3.0Ah, 18V: BL1830 *2 excludes some countries. Optional accessories Interchangeable adapter ADP01 Interchangeable adapter ADP04 Refreshing adapter ADP02 Automatic refreshing adapter ADP03 P 2/ 5 Repair CAUTION: Disconnect the machine for safety before repair/ maintenance in accordance with the instruction manual!  DISASSEMBLY/ASSEMBLY Note: Be careful not to confuse the following two Compression springs because they are not interchangeable: Compression spring 4 (233194-8) assembled to Charger case cover Compression spring 4 (231474-6) assembled to Terminal cover -1. Charger Case Set DISASSEMBLING Remove Charger case from Charger case cover as described in Fig. 1. Fig. 1 1. Remove Cap 13 (4 pcs.) from Charger case cover. Note: Be careful not to lose removed Cap 13. 2. Remove Charger case from Charger case cover by unscrewing four BT4x20 Tapping screws. Charger case Charger case cover Cap 13 (4 pcs) BT4x20 Tapping screw (4 pcs.) -2. Terminal Unit DISASSEMBLING Remove Terminal unit from Charger case cover as described in Fig. 2. Fig. 2 1. Disconnect Connector 1 and Connector 2 from Charging circuit. 2. Remove Terminal unit and Compression spring 4 (233194-8). Terminal unit Compression spring 4 (233194-8) Connector 1 Connector 2 Charging circuit P 3/ 5 Repair  DISASSEMBLY/ASSEMBLY -2. Terminal Unit ASSEMBLING Assemble Terminal unit to Charger case cover as described in Fig. 3. Fig. 3 1. Slide Compression spring 4 (233194-8) over the pin of Charger case cover until it stops against the rib. Compression spring 4 (233194-8) 2. Insert three legs of Terminal unit into the corresponding bosses of Charger case cover. Then connect Connectors 1 and 2 of Terminal unit securely to Charging circuit as illustrated on left in Fig. 2. Terminal unit Connector 1 Connector 2 pin rib Charger case cover -3. Terminal Cover DISASSEMBLING Disassemble Terminal cover as described in Fig. 4. Fig. 4 By unscrewing PT3x10 Tapping screw, Terminal cover can be removed from Charger case Note: Be careful not to lose Compression spring 4. Compression spring 4 (231474-6/ 2 pcs) Terminal cover Charger case PT3x10 Tapping screw P 4/ 5 Repair  DISASSEMBLY/ASSEMBLY -3. Terminal Cover ASSEMBLING Assemble Terminal cover to Charger case as described in Fig. 5. Fig. 5 1. Set Compression spring 4 (231474-6/ 2 pcs) in place on the back of Terminal cover as illustrated below. Terminal cover Compression spring 4 (231474-6/ 2 pcs) 2. Compressing each Compression spring 4 (231474-6), insert the boss on the back of Terminal cover into the oval hole of Charger case, then fit the end of each Compression spring 4 in the recessed portion of Charger case as illustrated below. 3. Assemble Terminal cover to Charger case by tightening PT3x10 Tapping screw. Note: 0.5 N.m is the recommended tightening torque for smooth sliding of Terminal cover. Compression spring 4 (231474-6/ 2 pcs) Terminal cover recessed portion boss on the back of Terminal cover oval hole Charger case PT3x10 Tapping screw P 5/ 5 Repair  DISASSEMBLY/ASSEMBLY -4. Varistor and Fuse Cause of Breakage: Varistor is broken when Charging circuit is continuously loaded with very high voltage; for example, when Charger is plugged in a power source at double the rated voltage. In this case, Fuse will also be blown up to protect Charging circuit. Sign of Breakage: Cracks and/or black discoloration on the surface of Varistor, melt-down Fuse What to Do for Repair: You need not replace Charging circuit entirely. Replace Varistor and Fuse by removing them from Charging circuit using soldering iron, then by soldering new ones in place on Charging circuit as illustrated in Fig.6. If Fuse is blown up although Varistor is not broken; Charging circuit can be broken for some reason other than mentioned above. In this case, replace Charging circuit entirely. Fig. 6 Charging circuit for 110V-120V Charging circuit (631837-0) Fuse (652782-6) Charging circuit for 220V-240V Power supply cord Power supply cord Charging circuit (631682-3) Varistor (647321-5) Fuse (652779-5) Varistor (647306-1) Wiring Diagram Route Lead wires as described in Fig. D-1. Note: In order not to pinch Lead wires between Charger case cover and Charger case, do not route them on or over the ribs and the outside wall of Cheater case cover. Fig. D-1 [Around Terminal Unit] [Power Supply Cord] Route the Lead wires of Sirocco fan: between the ribs of Charger case cover between the rib and the outside wall of Charger case cover Charger case cover Sirocco fan Terminal unit Bundle Lead wires with this Wire clip. Route the Lead wires of Terminal unit between the ribs of Charger case cover. Fix Power supply cord securely in this rib of Charger case cover.
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