GE Industrial Solutions EntelliGuard 800–2000 A Frames, 240–600 Vac Maintenance Manual User Manual

Page 56

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EntelliGuard™ 800–2000 A Power Circuit Breakers
Chapter 8. Accessory Maintenance

46

2. Remove the three mounting bolts and lock washers

securing the Open-Fuse Lockout to the bottom plate

of the breaker.

3. Remove the Open-Fuse Lockout straight out from

the front of the breaker.

Installing the Open-Fuse Lockout, 2000 A

Breakers

Use the following procedure, illustrated in Figure 58, to

install a replacement Open-Fuse Lockout.

1. Place the replacement Open-Fuse Lockout in

position, carefully guiding the trip rod through the

hole in the trip rod guide.

2. Insert the three bolts and lock washers from the top

of the breaker bottom plate into the tapped holes in

the Open-Fuse Lockout mounting bracket. Tighten

to 96 in-lb.

3. Connect the wires from the coils on the Open-Fuse

Lockout to the secondary disconnect block as fol-

lows:

• Phase A to terminals 22 and 23.
• Phase B to terminals 24 and 25.
• Phase C to terminals 26 and 27.

4. Adjust the Open-Fuse Lockout as follows:

a. Charge the closing springs with the manual

charging handle and close the breaker.

b. The dimension between the end of the trip rod

and the trip paddle should be 0.10–0.14 inch. If

necessary, loosen the trip rod lock nut and run

the rod in or out to attain the proper clearance.

c. With the Open-Fuse Lockout energized, the

breaker must

TRIP

and the

RESET

button must

move forward to the front plate. In this condition,

the breaker must be held trip free.

Figure 58. Open-fuse lockout installation and removal.

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