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11. Pull the DC breaker switch out of the cubicle. At the same time, keep constant tension
on the lifting slings to transfer the whole weight of the DC breaker switch onto the hoist
gradually.
12. Lift the DC breaker switch on a pallet.
13. Protect the connectors and interface unit on top of the DC breaker switch. Attach the
DC breaker switch onto the pallet to prevent it from falling.
14. Install a new DC breaker switch in reverse order. Tighten the busbars to 70 N·m and
pipe connector to 60 N·m. Install a new gasket for the pipe connector. Recommended
gasket type: See
Tools: (page
41).
Maintenance 47
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