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■
Let the filter sponge (20/3) dry thoroughly
so it no longer contains any water. A wet
filter can make the motor difficult to start.
■
Thoroughly wipe out the air filter housing
(20/2) with a cleaning rag.
3. Replacing:
■
Replace the filter sponge if it is no longer
elastic or falls apart.
4. Fitting the air filter:
■
Insert the filter sponge (20/3) on the peg
(20/4) and push it to the end stop.
■
Insert the air filter housing (20/2) to the
end stop and keep it pressed.
■
Screw in the air filter screw (20/1) until
the air filter housing (20/2) is held tight.
8.2
Maintaining the spark plug (21)
1. Removing the spark plug:
■
Pull off the spark plug connector (21/1).
■
Use the spark plug spanner (21/2) to un-
screw the spark plug (21/3).
2. Assessing the condition of the spark plug:
■
If the spark plug is reddish-brown: The
motor is working correctly and the spark
plug is in order. If necessary: Carefully
brush the spark plug (21/3) clean with a
fine wire brush (21/4).
■
If the spark plug is sooty, oily, encrusted,
melted or bridged: The spark plug is de-
fective. Install a new spark plug. Use the
specified spark plug type (see chapter 11
"Technical data", page 47).
■
If, after a short period of operation, the
spark plug is defective again, the motor
and the carburettor settings must be
checked by an authorised service work-
shop.
3. Check the electrode spacing:
■
Use a feeler gauge (21/5) to check that
the electrode spacing (21/6) is 0.6 –
0.7 mm. If not, carefully knock the elec-
trodes together or carefully bend them
apart.
4. If the specified interval is reached or the
spark plug is defective:
■
Install a new spark plug. Use the spe-
cified spark plug type (see chapter 11
"Technical data", page 47).
5. Installing the spark plug:
■
Make sure the spark plug sealing ring
(21/7) sits on the spark plug.
42
■
Screw the spark plug (21/3) back in by
hand and tighten it thoroughly using the
spark plug spanner (21/2).
■
Plug the spark plug connector (21/1)
firmly back on.
8.3
Checking/replacing the fuel filter (22)
The felt-like fuel filter is located in the fuel tank
and is plugged onto the vacuum head. If the fuel
filter becomes hard, dirty or clogged, less petrol
flows to the motor. In this case, the fuel filter must
be replaced.
It is recommended that an authorised service
workshop carries out this work.
1. Preparing the appliance:
■
To empty the fuel tank: Let the motor turn
until it stops by itself.
■
Place the appliance on a flat, stable sur-
face. The cap of the fuel tank must point
upwards.
■
Wipe clean the cap of the fuel tank, the
fuel tank and the surrounding appliance
parts so that no dirt can get into the fuel
tank.
2. Checking/replacing the fuel filter:
■
Unscrew the cap (22/1) of the fuel tank
(22/2). Let the cap (22/1) hang on the
fuel tank.
■
Use a wire hook to pull the vacuum head
(22/3) out of the fuel tank (22/2).
■
Check the fuel filter (22/4). If the felt has
become hard, dirty or clogged: Pull off
the fuel filter (22/4) and slide a new fuel
filter onto the vacuum head.
3. Slide the vacuum head (22/3) back into the
fuel tank (22/2).
4. Mixing and pouring in the petrol/oil mixture:
■
see chapter 5.2 "Making and pouring in
the petrol/oil mixture", page 38
8.4
Carburettor settings (23)
The following carburettor regulating screws are
visible on the appliance:
■
L = idle mixture regulating screw (23/1): Re-
duces the amount of fuel in the petrol/oil mix-
ture when the motor is warm
■
H = full load mixture regulating screw (23/2):
Increases the amount of fuel in the petrol/oil
mixture when the motor is cold
■
Idle regulating screw on the rotary choke
knob (23/3)
Autogoods "130"
Maintenance and care
Saug-/Blasgerät 442
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