Maintenance2751−1/A1 RT-flex50-D
Wärtsilä Switzerland Ltd
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3. Replacement of waisted studs
When fitting a new waisted stud (in the following text called stud for short) of the
cylinder cover or exhaust valve cage, the instructions hereafter must be strictly ob-
served.
Before fitting the stud, clean and degrease the joint surface respectively sealing
face.
If recommended by the jointing compound manufacturer, apply an adhesive prim-
er in order to improve the adhesion on the joint surface.
Do not apply adhesive primer and any lubricant to the thread!
⇒ Screw in the stud right to the bottom and until it rests on its seating surface and
tighten it according to instructions 0352−2 using always a stud driver or two
counter locked nuts. Tool 94008a−M56 must be used for the cylinder cover
stud.
Tools like pipe wrenches or multigrip tongs, etc. which would cause damages to
the shank of the stud must never be used!
⇒ Fill the annular space completely up to the rim with jointing compound.
3.1 Studs fitted in cylinder jacket and cylinder cover
003.465/00
I
JOINTING
COMPOUND
1
SEALING
SURFACE
ANNULAR
SPACE
J
94008a−M56
WCH00836
CYLINDER
COVER STUD
2012-07
Removal and Fitting of Exhaust Valve, Replacing of Waisted Studs
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