BMW D 12 Marine engine REMOVING AND INSTALLING THE PISTON
C
Removing the piston Fig. 101 Bring the piston to T.D.C. and disengage the circlips (10 1/1).
101
I C
Fig. 102 Heat the piston to 50° C, use the extractor, special tool No. 7464 1 333 552, to press the gudgeon pin out and remove the piston from the connecting rod.
102
C
Fig. 103 Remove the piston rings from the piston with piston ring pliers, special tool No. 74 64 1 333 549. Examine the piston for damage such as ring land fracture, seizure sites, worn ring grooves, worn gudgeon-pin bores and exchange, if necessary.
C 103 46
