11.3
After finishing work
11.3.1
Short-term storage
Wait for engine to cool down. Keep the machine
with a full tank of fuel in a dry place, well away
from sources of ignition, until you need it again.
Clean and dry guide bar and diamond abrasive
chain, and spray with STIHL multispray – in par‐
ticular the bearing of the sprocket nose – corro‐
sion protection. Do not spray engine unit!
11.3.2
Long-term storage
See "Storing the machine"
12 Air Filter System
When dry, STIHL filters attain a long service life.
► Always use STIHL filters dry
Fouled air filters will impair engine performance,
increase fuel consumption and make the
machine more difficult to start.
13 Remove Air Filter
241
1BA030 KN
► Turn screw plug above the rear handle in the
direction of the arrow and remove filter cover –
screw plug is secured in the filter cover
241
1BA031 KN
► Detach the air filter
Do not remove and clean the auxiliary filter.
14 Cleaning the Air Filter
If there is a noticeable loss of engine power:
► Dry wet air filter if necessary – do not expose
to extreme heat
► If the air filter is very dirty, clean the filter thor‐
oughly
Thorough filter cleaning
► Wash the air filter in STIHL special-purpose
cleaner (special accessory) or a clean, non-
flammable cleaning liquid (e. g., warm soapy
water) – rinse the air filter from inside to out
under a water flow – do not use high-pressure
washers
► Dry the air filter – do not expose to extreme
heat, do not dry with compressed air
► Do not oil the air filter
► Reinstall air filter
Always replace a damaged air filter.
15 Adjusting the Carburetor
15.1
General Information
The carburetor comes from the factory with a
standard setting.
This setting provides an optimum fuel-air mixture
under most operating conditions.
With this carburetor it is only possible to correct
the adjusting screws within fine limits.
The ignition module limits maximum engine
speed. Therefore, maximum engine speed can‐
not be increased by turning the high speed
screw (H) any further clockwise (leaner).
15.2
Standard Setting
► Shut off the engine.
► Check the air filter and clean or replace if nec‐
essary.
3443BA001 KN
► Turn high speed screw (H) counterclockwise
as far as stop (no more than 3/4 turn).
► Turn the low speed screw (L) clockwise as far
as stop, then turn it back 1/4 turn.
12 Air Filter System
English
0458-761-0121-B
19
Summary of Contents for GS 461
Page 1: ...STIHL GS 461 Instruction Manual 2 28...
Page 29: ...28 UKCA Declaration of Conformity English 0458 761 0121 B 29...
Page 30: ...English 28 UKCA Declaration of Conformity 30 0458 761 0121 B...
Page 31: ...28 UKCA Declaration of Conformity English 0458 761 0121 B 31...
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