Maintenance8752−1/A2 RT-flex50-D
Wärtsilä Switzerland Ltd
4/ 5
4. Regrinding of sealing faces ’DF’
4.1 With regrinding device 94870
In order to achieve a clean and smooth sealing face the following regrinding pro-
cess is recommended. For deep notches > 0.1 mm choose emery cloth of medium
to coarse grade. Once the deep notches have been ground off, use a fine or ultra
fine emery cloth.
E
F
016.738/08
016.738/08
94870h
EC
94870f
GRAINED FACE
TIGHTENED
CONDITION
⇒ Place template 94870h on the back of emery clo
’EC’ .
⇒ Trace inner contour using a pointed pencil or a ba
pen.
⇒ Cut out precisely the traced contour.
⇒ Shape the cut cloth in a manner to obtain a cone wi
the grained face being turned inward.
⇒ Place the emery cloth in the cone of the grinding to
94870f and fix it by means of its countersunk screw
uel Pressure Piping: Removing, Fitting and Regrinding 7 and 8 Cylinder Engine
2010
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