Husqvarna Z448 Manuel D'utilisation page 22

Maintenance
Replace or clean and adjust
the spark plugs.
Replace the engine oil filter.
Replace the air cleaner paper
3
element.
Clean the engine combustion
4
chamber.
Do a check of the clearance of
5
the engine valve.
Clean and adjust the engine
valve seating surface.
To clean the product
CAUTION:
pressure washer or a steam cleaner.
Water can go into bearings and electrical
connections and cause corrosion which
causes damage to the product.
Clean the product immediately after use.
• Do not clean hot surfaces such as the engine,
muffler and exhaust system. Wait until the
surfaces are cool, then remove the grass or dirt.
• Before you clean with water, clean with a brush.
Remove grass and dirt on and around the
transmission, the transmission air intake, and the
engine.
• Use running water from a hose to clean the
product. Do not use high-pressure.
• Do not point the water at electrical components
or bearings. Detergent usually increases the
damage.
• Use compressed air to clean the top side of the
mower deck.
• Use a water hose to clean below the cutting
deck.
• When the product is clean, start the cutting deck
for a short period to remove remaining water.
To clean the engine and the muffler
Keep the engine and muffler free from grass cuttings
and dirt. Grass cuttings soaked in fuel or oil on the
engine can increase the fire risk and the risk that the
3
In conditions with dust, cleaning and replacement must be done more frequently.
4
Must be done by approved service agent.
5
Must be done by approved service agent.
6
Must be done by approved service agent.
22
Daily mainte-
nance
Before
6
Do not use a high-
Do mainte-
nance at a
minimum of 1
time each
After
year
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engine becomes too hot. Let the engine cool before
it is cleaned. Clean with water and a brush.
Grass cuttings around the muffler dry quickly and are
a fire risk. Use a brush or remove the grass cuttings
with water when the muffler is cold.
To clean the battery
Corrosion and dirt on the battery and the terminals
can cause the power of the battery to decrease.
1. Remove the battery. Refer to
install the battery on page 23 .
2. Flush the battery with water and let dry.
3. Clean the terminals and the cable ends of the
battery cables with a wire brush.
To do a check of the parking brake
1. Park the product on a slope with a hard surface.
Note:
slope when you do a check of the parking brake.
2. Engage the parking brake.
3. If the product starts to move with the parking
brake engaged, let an approved service agent
adjust the parking brake.
Maintenance interval in hours
50 100 200 250
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O
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To remove and
CAUTION:
Do not use a high-
pressure washer or a steam cleaner.
Water can go into bearings and
electrical connections and cause
corrosion which causes damage to
the product.
Do not park the product on a grass
2237 - 002 - 22.03.2024
300 500
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