Operators Manual

Table Of Contents
93MS 171, MS 181, MS 211
14.8.2 Removing and Installing
Remove the handle frame,
b 11.4
: Pry out the tank vent (1) as
shown (arrow).
Always install a new tank vent.
Disconnect the fuel hose (1),
check and replace if necessary.
: Push the new tank vent (2) into
the fuel hose (1) as far as stop.
533RA403 TG
1
533RA404 TG
21
Coat seat of tank vent with STIHL
Press Fluid, b 16
: Press the tank vent into its seat
(arrows) in the handle frame (1)
by hand.
Install the handle frame, b 11.4
: Push the fuel hose (1) onto the
stub (arrow).
Reassemble all other parts in the
reverse sequence.
Tightening torques, b 3.5
14.8.3 Manual Fuel Pump
Not installed in all machine
versions. A faulty manual fuel pump
must be replaced.
533RA405 TG
1
533RA406 TG
1
Remove the filter base, b 14.2
Remove the carburetor, b 14.3
: Pull the fuel hose (1) out of the
guides (arrows).
: Check the fuel hose (1), pull it off
the connector (2) and replace if
necessary.
Install in the reverse sequence.
: Press the retaining tabs (arrows)
together and pull out the fuel
pump (1).
Pull the fuel pump (1) off the fuel
hose (2).
1
2
533RA407 TG
1
533RA408 TG
2