Operation Manual

5HSODFHWKHFKDLQVSURFNHW
DIWHUXVLQJWZR2LORPDWLFFKDLQV
- or even sooner if the wear marks
on the sprocket are deeper than approx.
0.5 mm (
1
/
64
") since this would reduce
the life of the chain.
Check wear marks:
Left: on webs of rim sprockets
Right: on teeth of spur sprockets.
You can use gauge * 0000 893 4101
to check the depth of the wear marks
on spur and rim sprockets.
*Special accessory
It is best to use two chains in rotation
with one sprocket.
%HIRUHUHPRYLQJFKDLQVSURFNHW
•
Remove chain sprocket cover,
chain and guide bar.
•
Disengage the chain brake:
Pull hand guard toward front handle
5LPVSURFNHW
Use a screwdriver to
•
remove the E-clip.
•
Take off the washer and rim
sprocket.
Examine splines on clutch drum -
if wear marks are severe,
fit a new clutch drum:
Pull clutch drum and needle cage
off the crankshaft -
clean the crankshaft stub
and needle cage,
and lubricate with STIHL grease
(tube 0781 120 1111).
Reassemble with new rim sprocket
and new clutch drum,
if necessary -
•
fit rim sprocket
with cavities facing outward -
•
refit washer and
•
E-clip on the crankshaft.
Use only original STIHL clutch
drums to ensure correct operation
of the chain brake.
6SXUVSURFNHW
•
Use a screwdriver to remove the
E-clip.
•
Pull washer, spur sprocket and
needle cage off the crankshaft.
•
Clean the crankshaft stub
and needle cage, and lubricate with
STIHL grease
(tube 0781 120 1111).
•
Reassemble with new spur
sprocket -
After fitting the clutch drum,
rotate it about one half turn
to engage oil pump drive.
Refit washer and E-clip on the
crankshaft.
Use only original STIHL chain
sprockets to ensure correct
operation of the chain brake.
&KHFNLQJDQG5HSODFLQJ
&KDLQ6SURFNHW
K
 