WinGD WARTSILA RT-flex58T-D, Maintenance Manual

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Maintenance
3303 − 2/A1
RT-flex58T-D
Winterthur Gas & Diesel Ltd.
2/ 4
1.2 Inspection of bearing shell
D Lower bearing cover 4 (see paragraph 1.1).
⇒ Turn the crankshaft to T.D.C.
⇒ Insert four retaining pins 94323 into the bore of guide ways 6.
⇒ Carefully turn crank towards fuel side until the guide shoes come to rest on the
retaining pins (if, however, not all retaining pins touch the guide shoes, turn
them such that their eccentrics contact the guide shoes).
⇒ Secure the connecting rod with manual ratchet ’H1’.
⇒ Carefully turn down the crank to fuel side, following with the connecting rod
bottom by pulling it with the lifting tackle ’H1’ just as far as to keep always a
distance ’x’ between the connecting rod bearing and crank 3 (Fig. ’E’).
D The bearing shell surface can now be inspected.
1.3 Removal of lower bearing shell
⇒ Turn crankshaft downwards (Fig. ’F’).
⇒
Install working platform 94142.
⇒ Remove Allen screws 9.
⇒ Remove bearing shell (29 kg) manually or with help of manual ratchet ’H3’
and two eye bolts M8.
E
x
x
94323
6
H1
3
H3
3
6
5 8
M8
9
F
H1
94142
WCH01026
2013 / V2
Inspection, Removal and Fitting of Bottom End Bearing