© 06/2006 8161-001
1/8
TCD 2015
Cylinder head
I 01-07-09
6
Renewing valve seat insert
(oversize)
Commercial available tools:
– Tenon milling machine,
10 mm
– Internal measuring device
– Slide gauge
– Cylinder head machining
tool
–Press
– Industrial vacuum cleaner
– Press-in pin
– Upright drilling machine
– Nitrogen (liquid)
– W 01-05-01
– W 01-07-08
Danger!
Danger of injury, do not touch supercooled
components or the liquid nitrogen!
Wear protective gloves and glasses!
Attention!
The press-in process must be carried out
without interruption as a result of the tem-
perature difference between the cylinder
head and the valve seat insert.
The necessary work steps must be practi-
sed before pressing in.
The relevant manufacturer’s specifications
must be observed when working with the
cylinder head machining tool.
The respective valve guide must be availa-
ble for replacing a valve seat insert.
z Check valve stand back.
W 01-07-08
z Remove valves.
W 01-05-01
© 40639-0
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