83MS 231, MS 231 C, MS 251, MS 251 C
12.4 Air Guide Shroud
– Remove the fan housing, b 8.2
– Pull the filter base off the studs
and put it to one side with the
wiring harness still attached,
b 12.3
– Remove the carburetor, b 12.5
– Remove the throttle rod,
b 10.3.4
– Remove the carburetor carrier,
b 12.8
– Pull the boot off the spark plug.
: Pull the rubber grommet (1) and
wiring harness out of the
guides (arrows).
– Put the wiring harness with filter
base to one side.
: Take out the screws (1).
2310RA319 TG
1
2310RA320 TG
1 1
: Push the grommet (arrow) of the
fuel hose (1) downwards and out.
: Ease the air guide shroud (1)
over the stop (arrow) and lift it a
little.
: Push the manifold flange (1) out
of the air guide shroud (2) in the
direction of the cylinder and pull
the air guide shroud away at the
same time.
– Pull the fuel hose out of the air
guide shroud.
– Remove the air guide shroud.
2310RA321 TG
1
2310RA322 TG
1
2310RA323 TG
2
1
– Pull out the shutter , check it and
replace if necessary.
Installing
: Push the shutter (1) into the
guide until it snaps into place.
: To fit the manifold (2) through the
air guide shroud's opening, wind
a piece of string (1) (about 15 cm
long) around the back of manifold
flange.
– Coat manifold flange with STIHL
press fluid to simplify installation,
b 14
2310RA324 TG
1
2310RA325 TG
2
1
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