| These rings seal the joints between the individual components of the refrigerant circuit. |
| Only O-rings which are resistant to refrigerant R134a and to the corresponding refrigerant oils must be used. This is guaranteed by using genuine spare parts. |
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| Note the correct diameter -a- and -b-. |
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| Lubricate with refrigerant oil before assembly. |
Note | O-rings for circuits using refrigerant R134a are no longer colour coded. Either black or colour-coded O-rings may now be used, without distinction. |
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