WinGD WARTSILA RT-flex58T-D, Руководство по обслуживанию

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Maintenance
1132 − 2/A1
RT-flex58T-D
Winterthur Gas & Diesel Ltd.
12/ 14
5. Inspecting main bearing shells
⇒ Clean the bearing shells with a soft cloth.
⇒ Check the bearing shells for damages such as breakouts or cracks.
⇒ Slight scratches and running marks can be removed by scotch brite.
Attention! Do not scrape the bearing shell in the loaded area.
⇒ If the running marks are more uneven distributed than expected, the crank
deflection must be measured.
⇒ If necessary, replace the bearing shells.
⇒
Inspect the surface of the bearing journal. Scratches must be polished.
6. Fitting of lower main bearing shell
Cleaning of bearing bore:
Use cleaning tool 94130 to clean the bearing bore.
For this purpose the round bar of the cleaning tool is to be wrapped in clean cloths,
then stuck between the bearing bore and the bearing journal of crankshaft 1 and,
by means of a wire rope, pulled under the bearing journal to the other side. Take
care not to damage the running face of the bearing journal with the wire rope!
O
009.823/02
WIRE ROPE
94130
CLOTH
WIRE
ROPE
1
Conditions before fitting:
D
Bearing shell in perfect condition, undamaged and thoroughly cleaned.
D Oil bore 7 in the bearing girder 6 must be clean and without particles of white
metal.
D Thoroughly cleaned bore in bearing girder.
D
Allen screw 12 (Fig. ’A’) fully driven into bearing girder for fastening the lower
bearing shell on exhaust side.
D Crankshaft lifted as described in section 4.
Removal and Fitting of a Main Bearing
2013