hillvert HT-WP-43A Manual De Instrucciones página 30

• Wash the filter in lukewarm water with a mild detergent, e.g. soap,
and dry it thoroughly before reassembly.
• Install in reverse order.
k) Inspecting and replacing the spark plug
ATTENTION: the spark plug should be removed only when the engine is cold.
• Carefully remove the ignition cable ending from the spark plug - grasp
the pipe (never the cable) and pull it upwards.
• Unscrew the spark plug with the provided wrench and remove it from
the socket in the engine.