Man D2862 LE221 Repair Manual page 328

CRANK MECHANISM
Removing the pistons and connecting
rods
Unscrewing the connecting rod bearing bolts
• Mark the installation position and pairing of the
connecting rod bearing shells and connecting rod
bearings
• Turn the crankshaft to BDC to unscrew the
connecting rod bearing bolts (1)
• Unscrew the connecting rod bearing bolts (1) by
one turn
Detaching the connecting rod bearing cap
• Turn the crankshaft so that the connecting rod
bearing journal is located before the cylinder of
the piston to be removed (TDC)
• Unscrew the connecting rod bearing bolts (1)
• Remove the connecting rod bearing cap (2) and
big end bearing (3)
326
Removing the pistons
• Mark the installation position and orientation of the
piston (1) relative to the cylinder liner (2)
• Pull the piston (1) with connecting rod out of the
cylinder liner (2)
• Remove the small end bearing from the
connecting rod
AE6 3st edition