Mercedes-Benz 603 Service Manual page 67

Boring and honing
5 Mill or grind off projecting collar on sleeve.
Remove as little material as possible from the
block parting surface. Guide milling cutter or
grinding wheel carefully over cylinder bores.
6 Bore out cylinder sleeves in two steps.
Leave at least 0.03 mm additional material in the
bores for honing.
7 Chamfer cylinder sleeves.
8 Hone cylinder bores.
9 Measure cylinder bores and select matching
pistons (01410).
01.10 - 11514
EXIT