19
MS 271 C, MS 291 C
4.
Clutch
4.1
Clutch Drum
– Remove and install the clutch
drum, see instruction manual.
– Remove the needle cage.
– Clean the needle cage and
crankshaft stub,
– Lubricate the needle cage and
crankshaft stub,
– Inspect the clutch drum (1) for
signs of wear.
If there are signs of serious wear on
the inside diameter of the clutch
drum (1), check the remaining wall
thickness. If it is less than about
80% of the original thickness, install
a new clutch drum.
– Install the clutch drum.
4.2
Clutch
– Troubleshooting,
– Remove the clutch drum,
b
4.1
– Remove the shroud,
b
6.4.
!
80%
100%
5902RA018 TG
1
:
Pull boot (1) off the spark plug.
– Unscrew the spark plug.
:
Push the locking strip (1)
0000 893 5903 into the spark
plug hole, wide end first, so that
"OBEN-TOP" faces up.
:
The locking strip (1)
0000 893 5903 must butt against
the cylinder wall (arrow) as
shown.
2710RA002 TG
1
2710RA003 TG
1
5902RA004 TG
1
:
Apply wrench to hexagon (arrow)
and unscrew the clutch (1) – left-
hand thread.
Installing
Fit the cover washer (1) so that the
word "TOP" faces outwards.
:
Position the clutch (2) on the
crankshaft stub so that the raised
hexagon (arrow) faces outwards.
:
Fit the clutch (2) and tighten it
down firmly – left-hand thread.
– Remove the locking strip from the
cylinder.
– Reassemble all other parts in the
reverse sequence.
off
off
off
2710RA004 TG
1
off
off
off
2710RA006 TG
2
1
