C.) Electrical Connections - Sharp 1118H Operations Manual & Parts List

C.) ELECTRICAL CONNECTIONS

The 1118H TOOLROOM LATHE is shipped completely wired and assembled, Turn Cam
Switch "A" (Figure 2) to the "OFF" position, then check motor voltage. Loosen screws "B"
(Figure 2), and open the switch case cover, connect the wires from the power source to the
terminals (R.S.T), and ground connection is made at the "G" (Figure 3) which is the electric
switch case. Pull out Spindle locking Pin "E" (Figure 4), turn "C" (Figure 5) in forward
position. The spindle should rotate counterclockwise when viewed from the tailstock end of
the machine. If the spindle dose not turn in the correct direction, turn Cam Switch "A"
(Figure 2) to "OFF" position. Disconnect electric power source, and interchanges any two
leads until the turning direction is correct. When the spindle is rotation correctly, secure
switch case cover, turn Cam Switch "A" (Figure 2) to "ON" position. Please check the
coolant direction when first time power up the machine.
A
.
B
.
G
Figure 2-Control Unit Door Figure 3-Control Unit
E
C
Figure 4-Control Speed and Direction
Figure 5-Speed Control Box
※CAUTION： ： ： ： RUNNING THE MACHINE IN THE WRONG DIRECTION WILL
RESULT IN DAMAGE TO THE SPINDLE SPEED CHANGE
4