(1) Inspection and inspection of power distribution equipment The distribution board and outdoor distribution box shall also be subject to periodic or special inspections in the same manner as overhead lines. Make a record If there is a serious threat to the safety of the person or equipment, immediately stop the power supply for maintenance, and then send the power after repair. The general problem is listed as an overhaul plan. It is resolved during regular maintenance.
The contents of the inspection are:
1 Is there any damage to the switchboard and distribution box? The doors and windows of the distribution box are complete. The distribution room and the box are leaking.
2 Whether the instrument, switch, indicator light and fuse are damaged, the instrument indicates whether the meter is accurate, and the switch contact is good.
3 Whether the joints are good, whether there is looseness, heat and burnout.
4 wire is damaged.
5 The electric shock protector is sensitive.
6 Whether the fasteners are loose or not.
(2) Maintenance of the power distribution unit Before the maintenance, the materials, tools, etc. should be prepared.
The main maintenance contents are:
1 Repair damaged parts of the power distribution room and distribution box, such as covers, doors and windows.
2 Remove dust from the inner switchboard and distribution box of the power distribution room.
3 Repair or replace damaged electrical equipment and parts such as instruments, fuses, switches and terminals.
4 Tighten the loose screws. Replace or tighten the terminals.
5 Repair or replace the broken insulated wires.
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