Southbend SB1053 owner manual Connecting Power, Supply

For Machines Mfg. Since 3/11 P R E P A R A T I O N 16-Speed Gearhead Lathe

Electrocution could occur if you attempt this procedure with the power wires connected to the power source. The incoming power wires must be disconnected from power before performing this procedure.

Connecting Power

1.Make sure the master power switch is turned to the OFF position, then open the electrical cabinet door.

2.Refer to Figure 26 to identify the master power switch and the hole at the bottom of the electrical cabinet for the incoming power.

Incoming

Power

Master

Power

Switch

Figure 26. Location to connect power inside main

electrical cabinet.

Note: For the Model SB1053, thread the power cord through an approved and properly sized strain relief as it enters the electrical cabinet. The strain relief must be tightened against the outer jacket of the cord; however, avoid over-tightening the strain relief or it may crush the cord and cause a short.

Test the strain relief to ensure it is properly tightened by pulling the cord from outside the cabinet with light-to-moderate force. When the strain relief is properly tightened, the cord will not move inside the cabinet.

3.Connect the incoming hot wires to the upper master power switch terminals and the ground wire to the ground terminal, as illustrated in Figure 27.

Ground

To Power Hot Hot Hot

Supply

	MASTER
	POWER SWITCH
L1	L2	L3

Figure 27. Power connection at master power switch.

4.Make sure the wires have enough slack so that they do not bind at the terminals.

5.Close and lock the main electrical box door.

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