| These O-rings seal the joints between the individual components of the refrigerant circuit. |
| Use only seals that are resistant to refrigerant R134a and its associated refrigerant oils. This is assured by using genuine replacement parts. |
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| Check that diameters -a- and -b- are correct. |
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| Before fitting a seal, coat it lightly with refrigerant oil. |
Note | The colour coding of O-rings for R134a refrigerant circuits has been discontinued. Coloured and black O-rings are used. |
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