18
English 5.906-565.0 Rev. 00 (12/12)
Dismount cylinder head (see "Dismounting the
cylinder head").
1 Crankcase
Turn the low pressure gasket packages back and
forth and pull them off the piston at the same time.
Clean the ceramic piston and check for cracks.
If there is oil on the piston side of the crankshaft
casing, the oil seals must be replaced (see "Re-
placing the oil seals").
1 O ring
2 Tin
3 Disc
4 Washer ring
5 Spreader ring
Assemble new low pressure gasket packages as
shown above. Reuse the brass tins in doing so.
Lightly grease the sealing rings inside (grease
6.288-079.0).
Lightly grease the O-rings.
Push the low pressure gasket packages onto the
ceramic sleeves of the piston.
Dismantle the high pressure gasket packages by
means of valve pliers.
1 Brass disc
2 Disc
3 Washer ring
4 Spreader ring
Insert the spreader ring in the drilled hole of the
cylinder head.
7.8
Replacing the high and low pressure
gaskets
7.8.1 Replace the low pressure seals
7.8.2 Replace high pressure seals