Maintaining The Spark Plug (18) - AL-KO BC 223 B Betriebsanleitung

GB
the fuel filter and push a new fuel filter
onto the intake head.
3. Push the intake head into the fuel tank again.
4. Mix and pour in the petrol/oil mixture (see
Activity
Carburettor
Check idling speed
Air filters
Clean
Renew
Spark plug
Check electrode
gap, adjust if
necessary
Renew
Cooling air inlet
Clean
chapter 5.1 "Mixing and pouring in the petrol/
oil mixture", page 34).
8.3

Maintaining the spark plug (18)

1. Removing the spark plug:
■
Remove the spark plug connector (18/1).
Maintenance and care
■
Unscrew the spark plug (18/3) using a
spark plug spanner (18/2).
2. Assessing the condition of the spark plug:
■
If the spark plug is reddish-brown: The
engine is working correctly and the spark
plug is in order. If necessary: Carefully
brush the spark plug clean using a fine
wire brush (18/4).
Once Before
after 5 each
operating use
hours
X
X
■
If the spark plug is sooty, oily, encrusted,
melted or bridged: The spark plug is
defective. Replace the spark plug with a
new spark plug. Use the specified spark
Every Every 50
week operating
hours
X
X
plug type (see chapter 13 "Technical
data", page 42).
■
If, after a short period of operation, the
spark plug is defective again, the engine
and the carburettor settings must be
checked by an authorised service
workshop.
3. Check the electrode spacing:
■
Use a feeler gauge (18/5) to check that
the electrode gap (18/6) is 0.6 – 0.7 mm.
If not, carefully tap the electrodes closer
together or carefully bend them apart.
4. If the specified interval is reached or the
spark plug is defective:
BC 223 B | BC 223 L-S
Every If re-
100 quired
operating
hours
X
X X
X
Every
year
before
the
mowing
season
X