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| Moisten new O-ring -3- with coolant and fit onto connection fitting -2-. |
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| Fit coolant regulator -4- in the connection fitting -2- and turn 1/4 turn. (90°) to the right. |
Note The coolant regulator clamps must be virtually vertical. |
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| Insert the connection fitting -2- with coolant regulator -4- in the cylinder block. |
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| Tighten fixing screws -1-. |
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