Facing cylinder head parting surface
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01—418 Facing cylinder head parting surface
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Data
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Total height of cylinder head
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84.8-85.0
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Minimum height upon machining
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84.0
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in longitudinal direction 0.08
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Permissible unevenness of parting surfaces
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in transverse direction
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0.0
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Permissible deviation in parallel of upper parting surface in relation to lower parting surface in longitudinal direction
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0.1
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Roughness
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0.016
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Test pressure with air under water in bar gauge pressure (atu)
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Minimum distance “a” with new valves and new valve seats
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Intake +0.17 to-0.23
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Exhaust + 0.12 to -0.28
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Max. distance “a” with new valves and machined valve seats
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Intake
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1.0
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Exhaust
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Facing
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1 Face parting surface of cylinder head.
2 Refinish valve seats until minimum distance “a” is attained.
3 Check timing (05-215).
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01.8-418/1 F2
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