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| Screw adapter -T40012- with seal hand-tight into the corresponding spark plug thread. |
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| Connect adapter to compressed air line using a commercially available connection piece, and apply constant air pressure. |
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| Minimum pressure: 6 bar |
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| Fit guide plate -VAS 5161/28- onto cylinder head in correct position: |
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| Mark „A“ should face exhaust side; mark „E“ should face inlet side. |
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| Secure guide plate to cylinder head with hexagon socket head bolts -arrows-. |
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| Apply drift -VAS 5161/3- to guide plate and use plastic-headed hammer to release sticking valve cotters. |
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