Workshop Manual

© 06/2006 8159-001
3/6
TCD 2015
Cylinder head
I 01-06-04
6
Prepare housing bore for the valve guide
(oversize)
z Clamp cylinder head on cylinder head machining
tool.
z Seal coolant channels.
z Align cylinder head.
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z Align bore unit and mandrin guide (1) with the hous-
ing bore.
The housing bores can have different dia-
meters, a suitable mandrin guide for align-
ment with the bore unit must therefore be
selected. The mandrin guide must move
easily in the housing bore without noticea-
ble resistance.
1
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z Ream housing bore to oversize level.
 P01 06
P01 07
z Blow out housing bore with compressed air.
Attention!
The reamer has a left twist and must
always be turned in or out in clockwise
direction. Never turn reamers anti-clock-
wise. The cuttings resulting from removing
the material can get stuck and damage the
cutting.
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