Southbend SB1029 owner manual Motor

For Machines Mfg. Since 8/09		E L E C T R I C A L			Model SB1029
3. Without changing the location of any of the			6. Replace the installed relays for the coolant
wires, reposition the jumpers as shown in				pump relay and spindle motor with the
Figure 54. Stack the jumpers as needed,				relays from the 440V conversion kit,
since there will be two	extras.			installing all of the wires in the same
Motor				location from which they were removed.

				7. Move the "T" wire from the 220V terminal
Jumpers	4	5	6	to the 440V terminal on the transformer, as
				shown in Figure 56.

7	8
GND		9
1		Wire "T" moved to
		440V Terminal
2
		3

U	V	W		For 440V:
			"T" Positioned at 440V
Figure 54. 440V Jumper locations.			1	2	3	4	5
4. Tighten the nine screws that secure the			R			T
wires and jumpers, making sure the wires			0 208 220 440 480					For 440V:
are still located in their original positions.			Transformer LCP-TBS
			0	12	24	0	110	Set at 0.25A

5. Open the electrical box on the side of the	Figure 56. Wire "T" moved to 440V.
machine. Loosen all of the screws that secure	8. Hardwire the machine to a 440V locking
the wires to the thermal relays and the
screws that secure the thermal relays to the	disconnect switch.
contactors (Figure 55). Pay careful attention
to the location of the wires so you can replace
them in the same position later.

1

L1

3

L2

5

L3

7

L4

1

L1

3

L2

5

L3

7

L4

CONTACTOR

CONTACTOR

Allen Bradley

Allen Bradley

C09400

C09400

2 T1 4 T2 6 T3 8 T4 2 T1 4 T2 6 T3 8 T4

AMP

45

THERMAL

RELAY

	AMP		THERMAL
1.6		2.4
			RELAY

		6	AB 193 TAB60					AB 193 TAB24
95	NC	96	97	NO	98	95	NC	96	97	NO 98
O		8				O		9
U			V		W	U1		V1		W1

Figure 55. 220V Thermal relays.

READ ELECTRICAL SAFETY	-41-
ON PAGE 39 FIRST!