Mercedes-Benz 603 Service Manual page 153

Piston pin retainer (176)
Piston pin (175)
Piston (177) . . . . . . . . . . . . . . . . . . . . . . . . .
After installation:
Crankshaft . . . . . . . . . . . . . . . . . . a . . . . . . .
Piston (177) . . . . . . . . . . . . . . . . . . . . . . . . .
Cross reference, pistons - cylinders
Piston code
Engine
number
602.96, 603.96
03.10
remove, install (items 3, 7).
press out, oil, press in by hand (items 3, 6).
remove from connecting rod (166) (item 3),
position on connecting rod (166), the arrow
should point toward the front of the vehicle and
the retaining groove in the connecting rod
toward the left side of the engine (item 5).
turn and check clearance between connecting
rod and crankshaft (item 13).
move to TDC and measure distance between
piston crown and crankcase mating surface
(item 14).
Projecting length max.:
Projecting length min.:
Group code
Piston dia.
letter
A
upon 86.982-86.988 upon 87.012-87.018
0.965 mm
0.735 mm
Cylinder dia.
86.970-86.976 87.000-87.006
EXIT