Husqvarna L 321AHX Operator's Manual page 18

Maintenance
Examine the cutting equipment
Examine the cutting cover *
Examine the engine brake handle *
Examine the blade brake control *
Examine the muffler *
Examine the spark plug
Replace the oil (the first time after 5 h of use, then after each 50 h of
use)
Clean or replace the air filter
Examine the fuel system
To do a general inspection
• Make sure that all nuts and screws on the product
are tightened correctly.
To clean the product externally
• Use a brush to remove leaves, grass and dirt.
• Make sure that the air intake on the top of the engine
is not blocked.
• Do not use a high pressure washer to clean the
product.
• If you use water to clean the product, do not flush
water directly on the engine.
To clean the inner surface of the cutting
cover
1. Empty the fuel tank.
2. Put the product on its side with the muffler down.
CAUTION: If the product is put with the
air filter down, the engine can become
damaged.
3. Hose down the inner surface of the cutting cover
with water.
To use the water hose connection
1. Move the product to an area of cut grass or a
different hard surface.
2. Remove the grass catcher or mulch plug from the
product.
3. Close the rear deflector.
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4. Connect a water hose to the water hose connection.
5. Stop the water supply and examine the water hose
connection for leaks.
6. If you do not see a leak, start the engine. Let the
engine run until the product is clean below the
housing.
7. Stop the engine.
8. Stop the water supply and remove the hose from the
water hose connection.
Note: Do not remove the water hose from the water
hose connection while the engine is in operation.
Water in the engine can decrease the life of the
engine.
9. Start the engine and let it run for a full minute to
remove remaining water from the product.
To replace the engine oil
WARNING: Engine oil is very hot directly
after the engine is stopped. Let the engine
become cool before you drain the engine oil.
If you spill engine oil on your skin, clean with
soap and water.
1. Operate the product until the fuel tank is empty.
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1241 - 001 - 08.07.2019