Wartsila RT-flex50-D - Turning out and Removal of Lower Bearing Shell No. 1

Maintenance1132−2/A1 RT-flex50-D
Wärtsilä Switzerland Ltd
10/ 17
5.3 Turning out and removal of lower bearing shell No. 1
D Crankshaft lifted up by approx. 0.2 mm (see paragraphs 5.1 and 5.2).
⇒ Fasten manual ratchet H
1
to the platform.
⇒ Remove Allen screw 5 from bearing girder on exhaust side. Fasten turning-
out device 94118a to bearing shell 4a, lead ropes ’a’ along the lateral edges of
the bearing shell to the other side and connect them with device 94119b.
⇒ Turn out bearing shell using manual ratchet H
1
until transportation tool
94116a (WLL 50 kg) can be fitted.
Remark: If a bearing shell jams during turning out, device 94119b must be fas-
tened to the two opposite wire ropes ’b’ of turning-out device 94118a. Subsequent-
ly draw the bearing shell back into the initial position until it is freed and then pro-
ceed again with the removal of the bearing shell.
I
PROTECTION
16
J
94118a
94119b
II
018.604/09
H
1
I
III
4a
a
5
b
018.601/09
018.601/09 018.604/09
9
4116a
2010 / 50−D
Removal and Fitting of a Main Bearing