Maintenance
3403−1/A1
RT-flex50-D
Wärtsilä Switzerland Ltd
5/ 8
4.2 Removal
Remark: Loosen and remove all screws for the screwing piston rod gland / cylin-
der block (see 2303−1).
Remove the antipolishing ring from the collar of the cylinder liner (see 2124−2).
⇒ Screw fasten both distance holders 94345 to the piston foot (Fig. ’D’).
⇒ Turn crank to T.D.C. whereby the piston rod gland is pushed out of its seating
in the cylinder block by distance holders 94345 (Fig. ’E’).
⇒ Use tap 94348 to clean threaded holes of combustion residue in the piston
crown.
⇒ Mount suspension device 94341 to piston crown.
D Before pulling the piston out, the crosshead pin and the top end bearing must
be protected, so that entry of dirt into the top end bearing is absolutely pre-
vented.
D E
94345
94345
12
94341
018.387/09
018.388/09
50−D / 2010
Piston: Removal and Fitting
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