Servicing The Av System; Av Spring On Oil Tank; Av Spring On Fuel Tank - Stihl MS 231 Manual

9.

Servicing the AV System

Vibration-damping springs, annular
buffers and stop buffers are used for
the connection between the
handlebar, tank housing and engine
housing.
Damaged springs and buffers must
always be replaced.
9.1

AV Spring on Oil Tank

The antivibration elements are
located in the area of the oil tank
and are secured to the underside of
the machine.
– Remove the handlebar, b 9.4
: Take out the screw (1).
– Remove the tank housing,
b 12.11.5
1
: Unscrew the AV spring (1) with
bearing plug (2).
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– Check the AV spring and plug,
replace if necessary.
Installing
The bearing plug (1) must be
screwed into the AV spring (2) as
far as stop.
: Screw the AV spring (2) with
bearing plug (1) onto the
plug (arrow) as far as stop.
– Install the tank housing,
1
b 12.11.5
: Insert and tighten down the
screw (1) firmly.
2
– Reassemble all other parts in the
reverse sequence.
9.2

AV Spring on Fuel Tank

– Remove the handlebar, b 9.3
1
2
1
1
: Take out the screws (1).
: Press the tank housing (2) down
a little and hold it there.
1
: Remove the cover (1).
1
MS 231, MS 231 C, MS 251, MS 251 C
2