As we all know, cake display cabinet after reaching a certain number of years, there will always be unsatisfactory, appeared a little problem, proper maintenance is essential, however, a lot of people but then how safe equipment maintenance knowledge is poorly understood. Today, Andre refrigeration here a brief introduction about the safety of maintenance knowledge cake display cabinet.
1, the wire connection
Maintenance cut the wire, such as welding must be re-connected and sealed with insulating tape or with an empty terminal connections to ensure good contact.
2, insulation testing
Following repair assembled, remember you must use a multimeter to test the insulation resistance, insulation resistance can confirm that up to 1 megohms minimum, in order to energize operation.
3, cake display cabinets repairs Precautions
(1) cake display cabinets maintenance should pay attention to the vicinity of fireworks. Especially in the use of gas welding tools, must first after the gas flame is extinguished before they can perform other maintenance work. Because the refrigerant in case of fire, sparks, capacitors, etc. will produce toxic gases.
(2) do not place welding and other poor and confined within ventilated room.
(3) When discharging refrigerant, be sure to ventilate the room, in order to perform other operations.
(4) cutting back gas compressor and an exhaust pipe, and the inner pressure of the refrigerant should pay attention to the system.
4, proper use of components
When repairs need to replace parts, it must be part of the model can not easily replace other models or brands of other components, but not to transform the repair parts.