GE Spectra K-frame Installation Instructions page 3

Retrofit with abb tmax xt7 breaker single mount (bolt-on kits)

Enlarged version

STEP 7

Install breaker with L-shaped barrier assembly [from STEP 6].

Refer figure 7a. Tighten Socket head screw [7] and flange nut [6],

torque the screw [7] to 22 lb-in. Torque the flange Nut [6] to 160

lb-in. Refer figure 7b and 7c.

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Figure 7a. Installation of breaker and L shaped barrier assembly

STEP 7 Continued

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Figure 7c. Flange nut

STEP 9

Install terminal cover (14) in the load side and secure with 2x sup-

plied screws as shown in figure 9.

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Figure 9. Install terminal cover

L-shaped barrier with

isolation base plate

[From STEP 6]

1x Terminal cover

2x Screws

STEP 7 Continued

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Figure 7b. Socket head screw

STEP 8

Tighten all the three bolted strap connections (carriage bolt as-

sembly) at the vertical bus to 65 lb-in. It may be necessary to re-

move adjacent circuit breaker modules to allow access to the

bolted connections at the vertical bus.

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Figure 8. Tighten the bolted strap connections

STEP 10

Install the filler plate [9] to panel with thread forming screw [5],

torque the screw to 35 lb-in. Refer figure 10.

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Figure 10. Install filler plate