17MS 461, MS 461-R
4. Clutch
4.1 Clutch Drum
– Remove and install the clutch
drum, see instruction manual.
: Pull off the needle cage (1).
– Clean the needle cage and
crankshaft stub, b 15
– Lubricate needle cage and
crankshaft stub with STIHL
grease, b 15
– 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.
3443RA047 TG
1
!
80%
100%
5902RA018 TG
1
4.2 Clutch
– Troubleshooting, b 3
– Remove the filter cover
– Remove air baffle.
– Pull off the boot and 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 in the illustration.
– Remove the rim sprocket and
clutch drum.
3443RA004 TG
1
3443RA493 TG
1
: Apply wrench to hexagon (arrow)
and unscrew the clutch (1).
Note that the clutch has a left-hand
thread.
Disassembling
: Use hook (2) 5910 890 2800 to
remove the clutch springs (1).
If clutch is seriously worn, install
new set of 3 clutch shoes.
Assembling
: Fit the retainers (1) and push the
clutch shoes (2) over the
arms (3) of the carrier.
3443RA048 TG
1
off
off
off
5902RA006 TG
21
off
3443RA464 TG
3
1
2
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