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7. Disconnect the inlet and outlet pipes from the DC breaker switch, and remove the inlet
and outlet connectors.
• Disconnect the outer nut (a) that attaches the pipe onto the connector. Slide it down
the pipe as low as possible. Recommendation: Use a 24 mm open-jaw crowfoot wrench
with extension bar.
• Pull the pipe out of the connector.
• Remove the pipe connector (b). Recommendation: Use a 34 mm open-jaw crowfoot
wrench with extension bar.
8. Remove the upper and lower supports of the DC breaker switch.
• Remove the screws (a) that attach the upper and lower supports (b) to the cabinet
side frames.
• Remove the bolts (c) that attach the upper and lower supports to the DC breaker switch
and to the cabinet frame via brackets.
• Remove the upper and lower supports.
c
a
Maintenance 45
a
b
b
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