MWM Acteon Workshop Manual page 80

Pistons and Connecting Rods
With the bushing assembled, measure the diameter
of the housing of the piston pin.
Before performing the measurement of the bearings,
check the mark codes on the cap and on the
connecting rod. These codes indicate the parity
between connecting rod and cap, guaranteeing the
perfect seating of the bearing shells in the assembly.
Loosen the bolts of the connecting rod, disassembling
the connecting rod bearing and cap.
Assembly the connecting rod cap tightening according
to the specification (without the bearing shells).
Measure the diameter of the connecting rod without
the bearing shells, at 30° of the partition of the
connecting rod, checking out-of-roundness.
9.612.0.006.7160 - 05/04