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| Before installing radial shaft seals, lightly oil outer diameter and half-fill space between sealing lips -arrow- with sealing grease -G 052 128 A1-. |
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| The open side of the oil seal faces the side with fluid filling. |
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| After installing, check oil level → Chapter. |
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| Lightly oil O-rings before installing; this prevents the rings being crushed when inserted. |
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