Workshop Manual

5/8

TCD 2015

Cylinder head

I 01-07-09

z Align bore unit and mandrin guide (1) with the hous-

ing bore.

The valve guides can have different diame-

ters, a suitable mandrin guide for alignment

with the bore unit must therefore be selec-

ted. The mandrin guide must move easily

in the valve guide without noticeable resi-

stance.

z Bore housing bore to oversize level.

z Remove chips thoroughly.

Attention!

The valve seat insert support (arrow) must

not be machined with the cutting tool.

z Measure housing bore with internal measuring de-

vice.

 P01 03

P01 04