Mercedes-Benz 603 Service Manual page 110

6 Attach tap wrench to countersinking tool
601 589 00 66 00 and turn countersinking tool
clockwise approx. 5 rotations while exerting light
pressure.
Caution!
Do not lift countersinking tool while refinishing.
7 Measure dimension " X" again. The diffe-
rence between the first and second measure-
ments corresponds to the material removed.
Determine thickness of spacer ring:
Example:
Calculate material removed
Dimension before refinishing
Dimension after refinishing
Material removed
Note
In this example the thickness of the spacer ring
to be installed is 0.3 mm. Select the spacer ring
so that it is at least 0.1 mm thicker and max.
0.3 mm thicker than the amount of material
removed.
8 Remove countersinking tool
601 589 00 66 00 and remove chips.
Note
If sealing surface is not completely flat, install
countersinking tool again and refinish sealing
surface again. Then repeat measurement, items
5 and 7.
01.10 - 41015
= 25.7 mm
= 25.5 mm
= 0.2 mm
EXIT