Suggested Maintenance Tools; Replacing Or Adding Breaker Accessories To Plug-In E Or F Frame Circuit Breaker; Replacing A Control Power Transformer Mounted Under Disconnect - GE Evolution Series E9000 User Manual

Motor control centers
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Evolution Series E9000 User Manual

Suggested Maintenance Tools

The following tools are recommended for performing
maintenance operations:
• GE Spectra circuit breaker rating plug removal tool,
catalog number TRTOOL (see Figure 41).
• GE pilot light and push button removal tool, catalog
number GEN-1684A (see Figure 42).
• EntelliGuard TU Digital Test Kit, catalog number
GTUTK20 (see Figure 43). The Test Kit may also be
used to temporarily defeat the ground-fault function
during primary injection (high-current test set).
• Manual racking handle, catalog number 110C2073G1
(see Figure 44).
• Remote racking device, catalog number 190B3523G1
(see Figure 45).
• Allen wrench in size 5/32 inch or #4 metric for
defeating the door interlock.
Figure 41. Rating plug
removal tool, catalog number
TRTOOL
Figure 42. Pilot light and
pushbutton removal tool,
catalog number GEN-1684A
Figure 43. EntelliGuard Trip
Unit Digital Test Kit, catalog
number GTUTK20
Figure 44. Manual racking
handle, catalog number
110C2073G1
Figure 45. Remote racking
device, catalog number
190B3523G1
Rearrangement of units must follow the following
loading rules: 80% of the feeder trip or fuse clip rat-
ing, plus 100% of the starters full load current, plus
25% of the largest motor full load current. Do not
exceed the vertical bus rating label on each section.
Replacing or Adding Breaker Accessories to
Plug-in E or F frame Circuit Breaker
Use the following procedure to replace a circuit breaker
in a motor control center.
1. Turn the power o .
2. Remove the unit from the motor control center.
3. Remove line and load cables (not required for
accessories only)
4. Remove the toggle holding plate (toggle needs to be
in the ON position, UP)
5. Remove the top four screws in top plate holding the
breaker assembly (not required for accessories only).
6. Remove three front breaker screws from assembly.
7. Slide the breaker down and out.
8. Install the new breaker by following this procedure in
the reverse order. Torque all electrical connections.
Replacing a Control Power Transformer
Mounted Under Disconnect
Use the following procedure to replace a control power
transformer mounted under a disconnect.
1. Turn the power o .
2. Remove the saddle unit from the motor control center.
3. Remove the top plate from the saddle unit.
4. Remove the handle assembly, as described on page 15.
5. Remove line and load cables.
6. Loosen the screws securing the disconnect assembly
to the back plate and slide the assembly out.
7. Disconnect the transformer power and control leads.
8. Remove the transformer mounting screws and lift
out the transformer.
9. Install the new transformer by following this procedure
in the reverse order. Torque all electrical connections.
26

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