WinGD WARTSILA RT-flex58T-D, Maintenance Manual

Page: 109 / 498

Maintenance
1224 − 1/A1
RT-flex58T-D
Winterthur Gas & Diesel Ltd.
1/ 4
Tools: Key to Illustrations:
1 Turning-out device 94155 1 Thrust bearing flange 5 Screws with locking
for engines with 2, 2a Thrust bearing pads plates
1-part gear wheel 3 Gear wheel 6 Bearing cover
1 Turning-out device 94155A on thrust bearing flange 7 Oil baffle, upper part
for engines with 4 Holder
2-part gear wheel
1 Eye bolt M16
1. Removal
⇒
Remove screws 5 to both holders 4 (Fig. ’A’).
⇒ In addition, to ensure a better access for the removal of thrust bearing pads 2
(ASTERN operation), the upper part of oil baffle 7 (Fig. ’B’) is also to be re-
moved (see 1132 − 2 ).
⇒ Insert and laterally fasten turning-out device 94155 or 94155A as illustrated
on Fig. ’B’.
⇒ The crankshaft is then to be turned with the turning gear until an eye bolt M16
can be screwed into a pad which can then be lifted up and removed one by
one.
Remark: When only a few thrust bearing pads of a row are to be removed the
crankshaft is located in its axial position by the remaining pads. When all thrust
bearing pads must be removed then the crankshaft must be prevented from sliding
axially. Therefore, insert a piece of hardwood of the same thickness in place of the
thrust bearing pad.
2. Fitting
Make absolutely sure that all the thrust bearing pads are meticulously clean and
smeared with fresh engine oil; the thrust bearing pads must all be replaced in their
original position. Note the numbering of the individual pads! Also refer to the follow-
ing pages for the arrangement of thrust bearing pads on engines with fixed pitch
propellers (F.P.P.) and controllable pitch propellers (C.P.P.) respectively.
For fitting the thrust bearing pads tools 94155 or 94155A respectively can also be
utilized. Note in this respect that the first pad, when pushed in, rests against the
tool. The following thrust bearing pads can then be fitted one after the other while
simultaneously turning the crankshaft. The thrust bearing pads should slide in
without effort to their end position.
With all the thrust bearing pads in position the distances from the outermost pads
on the fuel side and on the exhaust side to the upper edge of the bedplate must be
equal. The holders 4 can now be refitted. Subsequently check the clearance be-
tween holder and thrust bearing pads 2 and 2a (see Clearance Table 0330 − 1
’Crankshaft and thrust bearing’).
Attention! After fitting the thrust bearing pads immediately remove tool 94155 or
94155a respectively.
Remark: When fitting new or remetalled thrust bearing pads, care must be taken
that their thickness (final dimension) corresponds exactly with the neighboring
pads.
When replacing a complete row of new or remetalled thrust bearing pads the clear-
ance must be adjusted to the original values (see Clearance Table 0330 − 1 ’Crank-
shaft and thrust bearing’ and 1203 − 1 ).
Thrust Bearing
Removal and Fitting the Thrust Bearing Pads
2013
CHECK