Hitachi CJ 18DSL Technical Data And Service Manual page 20

3. Reassembly of the power supply unit
(1) Perform wiring according to the following wiring diagram when replacing the Switch Ass'y [51] (including
the LED [2], DC-Speed Control Switch [4] and Controller Terminal Set [13]), Motor DC 18 V [16], LED
[2], DC-Speed Control Switch [4] and Controller Terminal Set [13].
(2) Mount the Controller Terminal Set [13] aligning with the locking rib of the housing. At this time, pay
attention to the direction of the battery terminal and the remaining battery indicator.
(3) Push the internal wires of the LED [2] and the Motor DC 18 V [16] in the groove of Housing (A).(B) Set
[1] properly so that they are not pinched.
NOTE:
If black oxide is adhered to the contact point between the terminal support and the battery or if the
plating is peeled off, the temperature of the contact point may increase, causing malfunction of the
battery or the Model CJ 18DSL. In such case, replace the Controller Terminal Set [13] with new one
(Code No. 330070).
4. Mounting the motor
(1) Mount the Motor DC 18 V [16] to Housing (A).(B) Set [1] aligning the concave portion of the Motor DC
18 V [16] with the convex portion of Housing (A).(B) Set [1].
• Mounting the motor
Housing (A). (B) Set [1]
Motor DC 18 V [16]
5. Reassembly of housing (A).(B) set
(1) Before closing Housing (A).(B) Set [1], check that the Plate Spring [24] and the Packing Cover [37] are
properly mounted in the housing to prevent them from being deformed.
(2) Do not fail to mount the O-ring (P-6) [5] and the Plate Spring [24].
Housing (A). (B) Set [1]
Motor DC 18 V [16]
-17-