Hitachi DS10DFL Service Manual - Page 14

5. Disassembling the power supply unit To remove Motor Spacer [27] from Motor DC12V [28], remove the two Machine Screw M3 X 8 [26]. To remove Internal Wire (Red) [30] and Internal Wire (Black) [31] from Motor DC12V [28], use a soldering iron to unsolder the wires. Similarly, use the soldering iron to unsolder Internal Wire (Red) [30] and Internal Wire (Black) [31] (from Motor DC12V [28]) when removing the wires from DC-Speed Control Switch [35]. DC-Speed Control Switch [35] (with one LED connected via a wire) and Controller (B) [36] are interconnected with internal wires soldered at individual terminals of the switch and controller. Use the soldering iron to unsolder the wires when removing the red internal wire (soldered at terminal (B+) of DCSpeed Control Switch [35]) and white internal wire (soldered at terminal (B-) of DC-Speed Control Switch [35]) from DC-Speed Control Switch [35]. NOTE: Do not disassemble DC-Speed Control Switch [35] and Controller (B) [36]. -11-