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Bentley Volkswagen.Golf.Jetta.R32.Official.Factory.Repair.Manual.1999-2005

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Valve gear, servicing<br />

Página 22 de 49<br />

15-67<br />

Example:<br />

-<br />

Measured<br />

distance<br />

Minimum<br />

dimension<br />

Max. perm.<br />

rework<br />

dimension*<br />

10.6 mm<br />

10.2 mm<br />

0.4 mm<br />

*)<br />

The max. permissible reworking<br />

dimension is shown as dimension<br />

"b" in illustrations for the reworking<br />

of valve seats.<br />

Reworking intake valve seat<br />

a<br />

b<br />

c<br />

d<br />

r 2<br />

Z<br />

= Diameter 30.6 mm<br />

= Max. permissible reworking<br />

dimension*<br />

= 0.9...1.5 mm<br />

= Max. diameter 35.0 mm<br />

= Radius 2.0 mm<br />

= Lower edge of cylinder head<br />

= 45 valve seat angle<br />

= 30 upper correction angle<br />

= 60 lower correction angle<br />

*)<br />

How to calculate the max.<br />

permissible reworking dimension<br />

Page 15-66 .<br />

http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Next&type=repair&id=...<br />

12/2/<strong>2005</strong>

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