Maintenance
3303−5/A1
RT-flex50-D
Wärtsilä Switzerland Ltd
1/ 2
Tools: Key to Illustrations:
2 Lifting rings 94332 1 Piston 6 Crosshead pin
2 Bearing cover 7 Spur-geared chain block
3 Stud of top end bearing
4 Screw HZ Lifting tackle
5 Cylinder block RC RUD-eye bolt
1. Removal
Remark: Pay attention to General Guidelines for Lifting Tools 0012−1.
⇒ Suspend piston 1 and turn crank of the cylinder concerned to B.D.C. as de-
scribed for Changing the Compression Shims 3403−2.
⇒ Loosen the studs of the top end bearing as described in 3303−1.
⇒ Screw RUD-eye bolts ’RC’ into bearing cover 2.
⇒ Fasten lifting rings 94332 to cylinder block 5 with screws 4 and tighten these
with 200 Nm.
⇒ Connect ropes ’a’ and ’b’ with lifting tackles ’HZ’ and RUD-eye bolts ’RC’.
⇒ Lift the bearing cover 2.
⇒ Protect the crosshead pin 6 against dirt and damage.
A B
013.038/0
2
2
RC
3
1
HZHZ
ab
5
94332
4
6
onnecting Rod
emoval of Bearing Cover to Top End Bearing
2010
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