Cleaning The Engine And Muffler; Checking The Transmission Air Intake - Husqvarna ProFlex 21 Operator's Manual

MAINTENANCE
Cleaning the engine and muffler
Keep the engine and muffler free from grass cuttings
and dirt. Grass cuttings steeped in petrol or oil on the
engine can increase the fire risk and impair cooling.
Allow the engine to cool before cleaning. If the dirt is
mixed with oil, remove it using a degreasing agent oth-
erwise just water and a brush.
Grass cuttings around the muffler dry quickly and con-
stitute a fire risk. Brush or wash them off when the muf-
fler is cold.

Checking the transmission air intake

Check to ensure that the air intake valve to the
transmission is not clogged.
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