Wartsila RT-flex50-D - Inspection of Upper Bearing Shell; Removal of Upper Bearing Shell

Maintenance
3303−2/A1
RT-flex50-D
Wärtsilä Switzerland Ltd
3/ 4
F
G
013536/05
013537/05
5
HZ
3
HZ
3
8
94142
6
94323
a
X
X
2.4 Inspection of upper bearing shell
⇒ Turn the crankshaft to T.D.C.
⇒ Insert the four retaining pins 94323 into th
e
bores of guide ways 6.
⇒ Carefully turn crankshaft towards fuel side
till
the guide shoes come to rest on the retainin
g
pins.
If, however, not all retaining pins touch th
e
guide shoes, turn them such that their ecce
n-
trics contact the guide shoes.
⇒ Secure connecting rod 5 with rope ’a’ and li
ft-
ing tackle ’HZ’ on fuel side.
⇒ Carefully turn down the crankshaft to fu
el
side, following with the connecting rod bo
t-
tom by pulling it with the lifting tackle and rop
e
’a’ just as far as to keep always a distance ’
X’
between the connecting rod bearing and th
e
crank 3.
2.5 Removal of upper bearing shell
⇒ Turn crank 3 downwards.
⇒ Install working platform 94142 according t
o
the instructions in 3301−1.
⇒ Hold bearing shell and remove Allen screw
s
8 from the bearing shell.
⇒ Remove the bearing shell.
4
Inspection, Removal and Fitting of Bottom End Bearing
2010