13.24.2. Electric chains
For protection of electric chains safety locks of knife type which color corresponds to current of protection of a safety lock are used. Serviceability of a safety lock is determined by presence of the wire conductor connecting contacts of a safety lock.
| PERFORMANCE ORDER |
| 1. For replacement of the failed safety lock previously switch off the corresponding electric chain, take a safety lock from a nest tweezers. |
| 2. If again established safety lock instantly fails when giving tension, check the protected electric chain. |
| 3. If the safety lock protects several chains, then they need to be connected in turn in order that to determine a faulty chain by burn-out of a safety lock. |
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