77MS 461, MS 461-R
12.4 Carburetor
– Open the fuel tank cap and drain
the fuel tank.
– Collect the fuel in a clean
container, b 1
– Remove the filter base, b 12.3
– Remove baffle plate with throttle
rod, b 10.3, models with
heating, remove throttle rod,
b 10.3.1
Disconnect the fuel hose only when
the tank cap is open.
Models with heating system
: Pull knob (arrow) on grommet (1)
out of bore and remove the baffle
plate (2).
: Remove the heating element (1)
and put it to one side
3443RA280 TG
1
2
3443RA282 TG
1
: Remove the gasket (1) – always
install a new gasket.
All versions
: Push the fuel hose (1) and
impulse hose (2) back a little
– the fuel hose and impulse hose
are disconnected.
: Push the grommet (1) out and
pull off the carburetor (2).
– Check the carburetor and service
or replace it if necessary.
– Check the sleeve, remove and
replace it if necessary.
3443RA281 TG
1
3443RA279 TG
1 2
3443RA284 TG
2 1
Installing
Check that the washer (1) and
sleeve (2) are in place.
: Push the carburetor (1) onto the
studs (arrows) – sleeve (2) must
be in place.
The fuel hose must be located in its
seat (arrow).
: When positioning the carburetor,
make sure the stub is pushed into
the fuel hose (1) and impulse
hose (2).
3443RA064 TG
1
2
2
3443RA288 TG
1
3443RA289 TG
1 2
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