Servicing The Av System; Annular Buffer And Av Spring On Oil Tank; Av Spring On Fuel Tank - Stihl MS 271 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 Annular Buffer and 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 9.5
1
: Pull off and replace the buffer (1).
Installing
2
1
– Use STIHL press fluid to simplify
assembly, b 14
MS 271 C, MS 291 C
: Push the buffer (2) onto the
peg (1) on the handlebar as far
as stop.
The peg's head (arrow) must locate
properly on the buffer.
2
1
: Unscrew the AV spring (1).
– Unscrew the bearing plug (2).
– Check the AV spring and plug,
replace if necessary.
Installing
2
1
– Screw home the bearing plug (2).
: Screw the AV spring (1) into the
handlebar (arrow) as far as stop.
– Reassemble all other parts in the
reverse sequence.
9.2

AV Spring on Fuel Tank

– Remove AV spring from
handlebar, b 9.3
– Remove the stop buffer, b 9.4
1
1
: Take out the screws (1).
: Press the tank housing (2) down
a little and hold it there.
1
: Pull the AV spring (1) out of the
guide (arrow) and remove it from
between the engine housing and
tank housing.
– Check the AV spring and plug,
replace if necessary.
2
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