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Stihl TS 420 - 12.8 Fuel Intake; 12.8.1 Pickup body

Stihl TS 420
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96 TS 410, TS 420
12.7.2 Removal and installation
Remove the air filter, b 12.1.
: Pry out the tank vent (1).
Always fit a new tank vent.
Examine the grommet (1). Pry it
out and fit a new grommet if
necessary.
Install the grommet so that the
rubber lip encloses the hole
completely.
Align the new tank vent (2) so
that the connector (arrow) points
upwards.
: Push the new tank vent (2) as far
as possible into the grommet.
Reassemble remaining parts in
reverse order.
Tightening torques, b 3.5.
370RA422 TG
1
370RA423 TG
1
2
12.7.3 Manual fuel pump
The fuel pump must always be
replaced if defective.
Remove the shroud, b 7.4.
Remove the choke lever,
b 11.2.1.
Pry out the holder, b 11.2.1.
: Disconnect the fuel hose (1) from
the connector (arrow).
: Press the lugs (arrows) together
and pull out the fuel pump (1).
370RA424 TG
1
1
370RA425 TG
: Pull the fuel pump (1) off the fuel
hose (2).
Examine the fuel hose (2),
replace if necessary, b 12.8.2.
: Disconnect the fuel hose (1).
Examine the fuel hose, replace if
necessary.
: Connect the fuel hose (1) to the
short connector (arrow) on the
new fuel pump.
1
370RA413 TG
2
1
533RA409 TG533RA410 TG
1

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