Stihl KM 56 - Page 23

22 Series 4144 Powerhead
: Fit the installing sleeve (1)
4119 893 4600.
: Push the new oil seals, open side
facing the ball bearings, on to the
crankshaft stubs.
At the ignition side, carefully slip the
oil seal over the crankshaft stub
without touching the thread
– to avoid damaging the rubber lip.
– Position the crankcase (1) so that
the bearing seats face up.
: Before fitting the crankshaft in the
crankcase, line it up so that the
short stub (2) is at the same side
as the recesses (arrows).
1
938RA050 TG938RA051 TG
2
1
: Apply thin coating of sealant to
outside diameter (arrows) of the
oil seals, b 9
– Position the crankshaft,
connecting rod first, in the
crankcase.
: Place the crankshaft with
bearings and oil seals in the
bearing seats, making sure the oil
seals are firmly against their
stops (arrows) in the crankcase.
938RA052 TG938RA053 TG
– Inspect and clean the sealing
faces on the engine pan and
remove any gasket residue, b 9
The sealing faces must be in perfect
condition. Always replace
components with damaged sealing
faces.
: Apply sealant to the groove in the
sealing face, b 9
: The bead of sealant should be
about 2 - 3 mm high (a).
Make sure the sealant does not
project into the crankcase.
296RA059 TG
a
938RA098 TG