34
11
9
12
8
Check the sprocket before mounting a new chain.
Worn out sprockets (8) may damage the new chain and must
therefore be replaced.
Remove the sprocket guard (See “PUTTING INTO
OPERATION”).
Remove the chain and guide bar.
Remove circlip (9).
CAUTION: The circlip will pop out of the groove. When
removing it, hold your thumb against it to prevent it from
popping off.
Remove shim washer (11).
If the sprocket (8) is worn out, the complete clutch drum (12)
will need to be replaced (for the part number, see “Extract
from the spare parts list”).
Install a complete new clutch drum (12), shim washer (11)
and new circlip (9) (for the part numbers, see “Extract from
the spare parts list”).
For replacing the guide bar, chain, and sprocket see
“PUTTING INTO OPERATION”.
NOTE:
Don’t use a new chain on a worn chain sprocket. By the
time 2 chains have worn, the sprocket has become worn
out, so it should be replaced at least at every second chain
replacement. To distribute the chain oil evenly, run a new
chain at half-throttle for a few minutes before use.
New chains stretch, so check the chain tension frequently
(see “Checking the chain tension”).
Replacing the saw chain
CAUTION: Use only chains and guide bars designed for this saw (see the Extract from the spare-parts list)!
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