Stihl TS 420 Manual page 3

Contents
12. Fuel system
12.1 Air filter
12.2 Carburetor, removal and
installation
12.2.1 Leakage testing
12.3 Repairing the
carburetor
12.3.1 Metering diaphragm
12.3.2 Inlet needle
12.3.3 Fixed jet
12.3.4 Pump diaphragm
12.3.5 Air valve
12.3.6 Choke shaft /
choke shutter
12.3.7 Throttle shaft /
throttle shutter
12.3.8 Adjusting screws
12.4 Carburetor adjustment 90
12.4.1 Basic setting
12.4.2 Standard setting
12.5 Choke rod and
throttle rod
12.6 Intake elbow, removal
and installation
12.6.1 Impulse hose
12.7 Tank vent
12.7.1 Testing
12.7.2 Removal and
installation
12.7.3 Manual fuel pump
12.8 Fuel Intake
12.8.1 Pickup body
12.8.2 Fuel hoses
12.8.3 Fuel tank filler cap
12.9 Tank housing, removal
and installation
13. Special tools
14. Servicing
accessories
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TS 410, TS 420