Mercedes-Benz 602, Service Manual

Page: 107 / 324

Prechamber sealing surface refinish,
use countersinking tool 601 589 00 66 00 with
tap wrench, turn clockwise approx. 5 revolutions
while exerting slight pressure (item 6).
Caution!
Do not lift countersinking tool while refinishing.
Interval measure again (item 7).
Note
The difference between the 1st and 2nd
measurements corresponds to the material
removed and therefore the thickness of the
required spacer ring.
Countersinking tool unscrew and clean chips out of mounting bore
(item 8).
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . turn over with starter to throw out any chips
which may have got into the combustion
chamber (item 9).
Spacer ring select according to difference in measurements
and install (item 10).
Note
See
table for thicknesses of available spacer
rings.
Refinished precombustion chamber mark with punch in area of mounting bore
(item 1 1).
Data
Precombustion chamber projection dimension 7.6 8.1 mm
Parts
Designation Part no.
Spacer ring 0.3 mm 601 017 04 60
0.6 mm 601 017 02 60
1.0 mm 601 017 03 60
01.10