Maintaining The Spark Plug (02); Cleaning The Engine; Carburettor Settings; Maintenance Schedule - AL-KO PRO 170 OHV QSS Manual De Instrucciones

Maintenance and care
7.4

Maintaining the spark plug (02)

Prescribed spark plug type: NGK BPR6ES
WARNING! Risk of injury from electric
shock. Checking the ignition spark with the spark
plug removed may result in serious injury from
electric shock and fire.
■
Never check the ignition spark function with
the spark plug removed. Use an ignition
spark tester instead.
IMPORTANT! Danger of engine damage.
Operating the engine with the incorrect spark
plug or without a spark plug will result in serious
engine damage!
■
Always use the specified spark plug type.
■
Never try to start the engine without a spark
plug.
1. Unscrew the spark plug (02/1) with a socket
wrench.
2. Clean the electrodes (02/2) with a metal
brush and remove any soot deposits.
3. Check the correct electrode gap with a feeler
gauge.
Note: The electrode clearance of the spark
plug should be 0.7 mm – 0.8 mm.
4. Reinsert the spark plug and tighten with a
socket wrench.
Ignition spark control
WARNING! Risk of injury from electric
shock. Checking the ignition spark with the spark
plug removed may result in serious injury from
electric shock and fire.
■
Never check the ignition spark function with
the spark plug removed. Use an ignition
spark tester instead.
7.5

Cleaning the engine

WARNING! Danger of explosion and fire.
Foreign objects on the engine can cause the
lawnmower to catch fire. Fire can lead to serious
injuries.
■
Remove combustible debris (e.g. grass,
leaves, grease) from the engine, especially
from the exhaust and cylinder area.
■
Check and clean the exhaust and cylinder ar-
ea regularly.
457870_b
IMPORTANT! Danger from water. Penetrat-
ing water (ignition system, carburettor...) can lead
to malfunctions.
■
Do not spray the engine with water.
1. Allow the engine to cool before cleaning.
2. Remove the contamination regularly from the
engine with a cleaning cloth or brush.
3. Blow-off all waste and dirt residues from the
silencer and its cover using compressed air.
4. Clean the cooling system:
■
Remove obstructions from cooling air
openings.
■
In order to prevent overheating, also
clean the internal cooling vanes and sur-
faces.
5. Wipe plastic parts with a damp sponge and
detergent.
7.6

Carburettor settings

NOTE The carburettor must only be adjust-
ed by an authorised service workshop.
7.7

Maintenance schedule

The following jobs are allowed to be carried out
by the user independently. All other maintenance,
service and repair work must be carried out in an
authorised service workshop.
In addition, please also comply with the recom-
mended annual lubrication tasks as indicated in
the lubrication plan.
NOTE Shorter maintenance intervals than
those stated in the table below may be necessary
in case of severe loading and high temperatures.
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