Toshiba 4400 Series Installation And Operation Manual page 55

Three phase - 15/20/25/30/50/80/100 kva
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3.
Install the Bus Stubs
a.
Thread a standoff insulator onto one of the two pem studs to the right of the breaker and tighten finger tight. (Fig-
ure 9.9-A)
b.
Thread the remaining standoff insulator on the remaining pem stud. (Figure 9.9-B)
c.
Insert a bus stub into the circuit breaker's upper nut keep. Secure it with the ¼" x 20 cap screw. (Figure 9.10)
d.
Secure the bus stub to the standoff insulator with a ¼"x20 ½ in. Sems bolt. (Figure 9.10)
e.
Repeat Steps c & d for the remaining bus stub.
4400 Series Installation and Operation Manual – 64527-008
FIGURE 9.7:
REMOVE INSTALLED LUGS
FIGURE 9.8:
INSERT NUT KEEP
45

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