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9.2.3. Circuit-breaker pole
No other check except what has already been specified in
par. 9.2.1. is necessary.
9.2.4. Withdrawable assembly (truck and circuit-breaker)
Visually inspect the components, especially those which may
be damaged by incorrect operations (also see table in chap.
8).
Lubrication of the roller bearings
Lubrication of the right-hand bearing (circuit-breaker seen from the front)
Lubrication of the left-hand bearing (circuit-breaker seen from the front)
Fig. 12
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Visually inspect the isolating contacts and that all the contact
elements are clean, especially in cases where signs of
overheating are found (also see par. 9.4.).
Visually inspect and carry out the functional tests of the
locks, checking their correct operation and activation without
abnormal force – maximum 25 N (also see table in chap. 8).
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