Maintenance; Section 9 Maintenance - Cobra BC270KB Owner's Manual

Maintenance continued:
Fuel Filter Service
Every 20 hours of operation
-Pull the fuel filter out from the fuel tank.
-Clean the fuel filter in a bath of high flashpoint
solvent.
-Dry the fuel filter and reinstall it into the fuel tank.
Note: If a fuel still does not flow well after the
cleaning, replace the fuel filter with new one.
Warning:
Many solvents are highly flammable and may cause
serious burns. Improper use of solvents can result in
fi re or an explosion. Do not use petrol or low flash-
point solvents to clean the fuel filter. Clean only in a
well-ventilated area away from sources of sparks or
flame, including any appliances with a pilot light.
Spark Plug Service
Electrodes
Spark plug gap
Every 50 hours of operation
-Take the spark plug cap with fingers and pull it up.
-Remove the spark plug by using a suitable plug
wrench.
-Clean the electrodes by scraping or with a wire
brush to remove carbon deposits and wetness.
-Inspect for cracked porcelain or other wear and
damage. Replace the spark plug with a new one if
necessary.
Fuel Filter
Spark Plug Maintenance continued
-Check the spark plug gap and reset it if necessary.
The gap must be between 0.6 and 0.7mm. To
change the gap, bend only side-electrode, using a
spark plug tool.
-Install and tighten the spark plug to 14N·m
(1.4kgf·m).
-Fit the spark plug cap on the spark plug securely.
-Pull up the spark plug cap lightly to make sure of
the installation of the spark plug cap.
Recommended spark plug:
NGK BPMR7A
Spark Arrester Service
Every 50 hours of operation
-Remove the spark arrester from the exhaust hole of
muffler
-Clean deposits from the spark arrester screen by
brushing it.
-Install the spark arrester.
Carbon Removal of Engine Internal Parts
Every 50 hours of operation These items must be
performed with proper tools.
See your authorised dealer for service.
Warning:
Petrol is a toxic substance. Dispose of petrol
properly.
Contact your local authorities for approved disposal
methods.
Muffler
Spark arrester
14