Fuel System; Air Filter; Carburetor; Removing And Installing - Stihl 020 T Service Manual

10.

FUEL SYSTEM

10.1

Air Filter

Dirty and clogged air filters reduce
engine power, increase fuel con-
sumption and make starting more
difficult.
The air filter should always be
cleaned when engine power
begins to drop off.
• Before removing the filter, close
the choke shutter to prevent dirt
falling into the carburetor - press
down interlock lever (1) and move
Master Control lever (2) all the way
back to the cold start position.
• Rotate twist lock (1) on carburetor
box cover (2) one quarter turn
counterclockwise and remove the
cover.
STIHL 020 T
• Clean away any loose dirt from
around the filter.
• Remove the air filter.
• Take the foam element out of the
filter base.
• Wash the air filter and foam ele-
ment in a fresh, non-flammable
cleaning solution (e.g. warm
soapy water) and, if possible,
blow out with compressed air.
Soften encrusted dirt by soaking
the parts in cleaning solution.
Important: Flocked air filters must
not be cleaned with compressed air,
brushes or cloths.
Note: If filter is damaged, install
new part immediately.
Installation is a reversal of the
removal sequence.
10.2

Carburetor

10.2.1

Removing and Installing

Troubleshooting chart - see 2.6.
• Remove the air filter - see 10.1.
• Unscrew the carburetor mounting
nuts (1).
• Remove the filter base (2).
• Ease the grommet off the
adjusting screws and pull it out of
the handle housing.
• Push the fuel hose off the elbow
connector.
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