Wartsila RT-flex50-D User Manual

Maintenance3403−1/A1 RT-flex50-D
Wärtsilä Switzerland Ltd
2/ 8
⇒ Start up HP oil pump 94931 with closed relief valve ’EV’ and at the same time
open vent screws 5 of the pre-tensioning jacks till oil flows out bubble-free.
Close vent screws.
⇒ At a pressure of about 1530 bar unscrew nuts 4 by one turn with round bar
’RS’.
Pistons 7 of the pre-tensioning jacks must never exceed the red limiting grooves
’BN’ (Fig. ’B’).
⇒ Release pressure to zero with the aid of relief valve ’EV’ at the HP oil pump,
Remove pre-tensioning jacks 94340 and the nuts.
D The same procedure is to be applied for loosening the other two waisted
studs.
A
4
I
I
3
94340
2
94931EV
94934
94935
94934a
94340
6
94934g
013.253/
05
13
2010
Piston: Removal and Fitting

Wartsila RT-flex50-D Specifications

General

Brand	Wartsila
Model	RT-flex50-D
Category	Engine
Language	English