Stihl FS 490 C-M Instruction Manual - Page 46

Spark arrestor in muffler and spacer, FS 460, FS 490, Antivibration elements, Wear Guard on AV

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6BA015 KN English Spark arrestor in muffler and spacer FS 460 Antivibration elements 2 3BA035 KN FS 490 2 N If the engine is down on power, have the spark arrestor in the muffler checked. N Check spacer (2) for damage. N Have damaged spacer (2) replaced immediately. 2709BA024 KN Four antivibration elements (arrows) are installed between the powerhead and the drive tube. Have the system checked if there is a noticeable increase in vibrations. Both vibration gaps (arrows) are preset to the same width at the factory. If the size of the two vibration gaps varies greatly and/or one of them closes up, have your servicing dealer repair the antivibration system. Wear Guard on AV Housing 6BA026 KN There is an easily replaced wear guard on the side of the antivibration housing. The guard may wear as a result of rubbing against the side plate of the harness durng operation and should be replaced if necessary. 44 FS 460 C-M, FS 460 C-M L, FS 490 C-M, FS 490 C-M L

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FS 460 C-M, FS 460 C-M L, FS 490 C-M, FS 490 C-M L
English
44
Spark arrestor in muffler and spacer
FS 460
FS 490
N
If the engine is down on power,
have the spark arrestor in the
muffler checked.
N
Check spacer (2) for damage.
N
Have damaged spacer (2) replaced
immediately.
Antivibration elements
Four antivibration elements (arrows) are
installed between the powerhead and
the drive tube. Have the system checked
if there is a noticeable increase in
vibrations.
Both vibration gaps (arrows) are preset
to the same width at the factory. If the
size of the two vibration gaps varies
greatly and/or one of them closes up,
have your servicing dealer repair the
antivibration system.
Wear Guard on AV Housing
There is an easily replaced wear guard
on the side of the antivibration housing.
The guard may wear as a result of
rubbing against the side plate of the
harness durng operation and should be
replaced if necessary.
3BA035 KN
2
2709BA024 KN
2
6BA015 KN
6BA026 KN