Caution: When working, handle the pipe connections with care. To prevent damage, use only the recommended tool.
When a vehicle's engine is hot, the fluid in the cooling system is under high pressure. It is important to wait a few minutes before working on any cooling system components, making sure that the pressure has been released.
Before starting work on electrical systems (connectors, electrical components, wiring, etc.).
Note: When the battery is disconnected, the steering column lock assembly remains in the same state (blocked or released). If it is necessary to turn the steering wheel with the battery disconnected during work, it is necessary to leave the TEG inserted when disconnecting the battery - in this case, the steering column remains unlocked.
It is prohibited to loosen the connections of parts before draining the refrigerant from the system.
To prevent moisture from entering, immediately close open openings of parts with caps or plugs.
Remove protective plugs only immediately before installing the part.
Article posted on an online resource OPELBOOK.ru
When connecting the fittings of the parts, be sure to install new sealing rings, having first applied refrigerant or oil to the fitting and seal.
If it is necessary to depressurize the cooling system, prepare in advance all the tools and spare parts that will be required to perform maintenance of the system, so that the system remains in a depressurized state for the strictly necessary time.
Close all pipes and connections with plugs or caps immediately after disconnecting them to prevent contamination and moisture from entering.
All pipelines and other elements of vehicle systems stored in the spare parts warehouse must be hermetically sealed or their openings must be closed with plugs until they are ready for use.
It is prohibited to bend the formed elements of the system pipelines for adjustment on site. When servicing refrigeration units, use the elements of the pipelines of the required shape.
All fittings, including the refrigerant fill manifold, the manifold for connecting the pressure gauge and the hoses for performing tests, must be clean and dry.
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